| Name | SP/ID | A-Z | Ship Type | Built | EFC Dsn. | EFC Hull | Notes |
| O. B. JENNINGS | 1654 | | Tanker | | Req. | | |
| O. H. VESSEL | 985 | | SP | | | | |
| O. L. HALLENBECK | 73 | | SP | | | | |
| O. T. WARING | 3427 | | Tanker | | Req. | | |
| OAKLAND | 2847 | | Freighter | 1918 | Req. | | |
| OAKPARK | 4726 | | Freighter | 1920 | | | |
| OCCIDENTAL | 4389 | | Tanker | 1920 | Req. | | |
| OCEAN | 4142 | | Trawler | 1919 | | | |
| OCEANIA | 4915 | | Yacht | 1923 | | | |
| OCEANIC | 3174 | | Barge, NY | | | | |
| OCOEE | 1208 | | Motor Boat | 1911 | | | |
| OCONEE | 1666 | | ID | | | | |
| OCTORARA | 3896 | | Frt. (wood) | 1918 | 1001 | 467 | |
| OGANTZ | 2110 | | ID | | | | |
| OGLETHORPE | 3442 | | Frt. (comp.) | | 1010 | 64 | |
| OGONTZ | 4239 | O | Freighter | | 1022 | 510 | |
| OHIO | 2434 | | ID | | | | |
| OHIO | 2960 | | ID | | | | |
| OHIOAN | 3280 | | Freighter | 1914 | | | |
| OIL BARGE #3 | 2755 | | ID | | | | |
| OIL BARGE #59 | 2606 | | ID | | | | |
| OJEN | 957 | | Motor Boat | | | | |
| OKESA | 3477 | | Frt. (wood) | | 1001 | 155 | |
| OKIYA | 4009 | | Frt. (wood) | 1918 | 1001 | 25 | |
| OKLAHOMA CITY | 4383 | G | Freighter | | 1038 | 656 | |
| OLD COLONY | 1254 | | Pass, coast. | 1907 | | | |
| OLD DOMINION | 1956 | | ID | | | | |
| OLD DOMINION | 3025 | | Barge, sea | 1872 | | | |
| OLD NORTH STATE | 4471 | . | Pass & Cgo | 1920 | 1095 | 2585 | |
| OLDHAM | 4413 | D | Freighter | | 1037 | 1914 | |
| OLEAN | 1630 | | Freighter | 1917 | | | |
| OLEAN | 4838 | | Tanker | 1919 | | | |
| OLEN | 4179 | | Freighter | | 1014 | 2629 | |
| OLIVANT | 1932 | | ID | | | | |
| OLIVETTE | 1297 | | SP | | | | |
| OLYMPIC | 260 | | Motor Boat | 1914 | | | |
| ON TIME AGAIN | 1338 | | SP | | | | |
| ONAWA | 929 | | SP | | | | |
| ONAWAY | 234 | | SP | | | | |
| ONE THIRTY | 478 | | SP | | | | |
| ONEIDA | 432 | | Yacht, steam | 1897 | | | |
| ONEKAMA | 3977 | | Freighter | 1918 | 1023 | 561 | |
| ONEONTA | 1138 | | Tug | 1910 | | | |
| ONO | 128 | | Motor Boat | 1908 | | | |
| ONSET | 1224 | | Motor Boat | | | | |
| ONTARIO | 1126 | | SP | | | | |
| ONTARIO | 2363 | | ID | | | | |
| ONTELAUNEE | 2086 | | ID | | | | |
| ONTEORA | 2687 | | Frt. (wood) | | 1001 | 1460 | |
| ONWARD | 311 | | Yacht, steam | 1906 | | | |
| ONWARD II | 728 | | Motor Boat | | | | |
| OONEJO | 920 | | SP | | | | |
| OOSTERDIJK | 2586 | | Passenger | 1913 | | | |
| OOSTONK | 2522 | | ID | | | | |
| OPEECHEE | 969 | | Motor Boat | 1911 | | | |
| OPEGUEN | 4279 | G | Freighter | | | | |
| OPELIKA | 3999 | | Freighter | 1918 | 1023 | 565 | |
| OPHIR | 2800 | | Passenger | 1904 | | | |
| OPHIS | 4422 | D | Freighter | | 1014 | 2630 | |
| ORA | 75 | | Motor Boat | 1914 | | | |
| ORANI | 4202 | C | Freighter | | 1015 | 754 | |
| ORATON | 4013 | | Frt. (wood) | 1919 | 1001 | 183 | |
| ORCA | 726 | | Steam boat | 1901 | | | |
| ORCUS | 4422 | C | Freighter | | 1014 | 2631 | |
| OREGON | 2227 | | ID | | | | |
| OREGON | 4854 | | Tanker | 1920 | | | |
| OREGONIAN | 1323 | | Freighter | 1901 | | | |
| ORIENTE | 4851 | | Pass & Cgo | 1930 | | | |
| ORION | 1295 | | SP | | | | |
| ORION | 1650 | | Passenger | 1902 | | | |
| ORION | 4920 | | Yacht | 1929 | | | |
| ORIZABA | 1536 | | Pass & Cgo | 1918 | Req. | | |
| ORLEANS | 1600 | | ID | | | | |
| ORLEANS | 4622 | | ID | 1919 | | | |
| ORONOKE | 4418 | H | Freighter | | 1023 | 849 | |
| OROTINA | 1164 | | SP | | | | |
| ORSON | 360 | | SP | | | | |
| OSAGE | 1681 | | ID | | | | |
| OSAKIS | 3897 | | Freighter | 1918 | 1017 | 217 | |
| OSCAR E. JACKSON | 1813 | | ID | | | | |
| OSCODA | 3839 | A | Freighter | | 1016 | 195 | Later ID 4465-A |
| OSCODA | 4465 | A | Freighter | | | | Orig ID 3839-A |
| OSHKOSH | 3667 | | Freighter | | 1021 | 424 | |
| OSKALOOSA | 3800 | | Freighter | 1918 | 1019 | 336 | |
| OSKAWA | 3797 | | Freighter | 1918 | 1015 | 145 | |
| OSPREY | 4425 | H | Trawler | | | | |
| OSPREY II | 928 | | Motor Boat | | | | |
| OSQUAMSICK | 4058 | | Freighter | 1918 | | | |
| OSSA | 4145 | A | Freighter | | 1014 | 2633 | |
| OSSINEKE | 2751 | | Freighter | | 1013 | 86 | |
| OSSINING | 4149 | | Freighter | 1919 | 1014 | 105 | |
| OSTRICH | 1249 | | Motor Boat | 1909 | | | |
| OSWATOMIE | 3839 | . | Freighter | | | | |
| OSWEGO SOCONY | 4766 | | Tanker | 1924 | | | |
| OTHO | 4145 | B | Freighter | | 1014 | 2634 | |
| OTIS W. DOUGLAS | 313 | | Menhaden | 1912 | | | |
| OTSEGO | 1628 | | Passenger | 1901 | | | |
| OURCQ (USAT) | 4491 | H | Pass & Cgo | | 1024 | 676 | |
| OVERBROOK | 2762 | | Tanker | | Req. | | |
| OWAISSA | 659 | | Motor Boat | 1912 | | | |
| OWASCO | 1480 | | ID | | | | |
| OWATAMA | 4014 | | Frt. (wood) | 1918 | 1001 | 1459 | |
| OWEGA | 2293 | | ID | | | | |
| OWERA | 167 | | Yacht, steam | 1907 | | | |
| OXFORD | 1653 | | ID | | | | |
| OZAUKEE | 3439 | | Freighter | 1918 | 1021 | 423 | |
| OZETTE | 3985 | | Freighter | 1918 | 1015 | 749 | |
| P. J. BARRY | 1741 | | Barge, NY | | | | |
| P. J. RALPH | 2863 | | ID | | | | |
| P. N. CO. #18 | 1346 | | SP | | | | |
| P. N. CO. #20 | 1345 | | SP | | | | |
| P. O'RIORDEN | 2391 | | ID | | | | |
| P. R. R. #10 | 1996 | | ID | | | | |
| P. R. R. #14 | 1999 | | ID | | | | |
| P. R. R. #32 | 1378 | | ID | | | | |
| P. R. R. #7 | 1245 | | SP | | | | |
| P. R. R. #9 | 679 | | Tug | 1904 | | | |
| PACIFIC | 3855 | | Freighter | 1914 | | | |
| PACIFIC | 4815 | | Freighter | 1915 | | | |
| PACIFIC SUN | 4862 | | Tanker | 1929 | | | |
| PADNSAY | 4497 | . | Freighter | 1919 | 1014 | 2635 | |
| PAGASSET | 4981 | | Freighter | 1920 | 1019 | 996 | Later COLABEE |
| PAKERTON | 2084 | | ID | | | | |
| PALISADES | 4274 | | Freighter | | 1063 | 1293 | |
| PALLAS | 4497 | A | Freighter | | 1014 | 2636 | |
| PALO ALTO | 4560 | . | Tkr. (conc.) | 1920 | 1100 | 1663 | |
| PALOMA | 533 | | Motor Boat | 1914 | | | |
| PAMUNKEY | 2367 | | Frt. (wood) | | 1001 | 2190 | |
| PAN AMERICA | 4644 | | Pass & Cgo | 1922 | 1029 | 2506 | |
| PAN AMERICAN | 918 | | SP | | | | |
| PANAMA | 101 | | Motor Boat | 1914 | | | |
| PANAMA | 1596 | | ID | | | | |
| PANAMA | 5007 | . | Pass & Cgo | 1938 | | | |
| PANAMAN | 3299 | | Freighter | 1913 | | | |
| PANHANDLE STATE | 4471 | D | Pass & Cgo | | 1095 | 2588 | |
| PANOIL | 4821 | | Tanker | 1920 | | | |
| PANOLA | 3902 | | Freighter | 1918 | 1023 | 560 | |
| PANSA | 4497 | B | Freighter | | 1014 | 2637 | |
| PANSY | 3419 | | ID | | | | |
| PANUCO | 1533 | | Freighter | 1917 | | | |
| PAOLI | 1220 | | SP | | | | |
| PARAGUAY | 1361 | | SP | | | | |
| PARAISO | 2194 | | ID | | | | |
| PARISMINA | 1624 | | ID | | | | |
| PARKSLEY | 1652 | | ID | | | | |
| PARKSVILLE | 4213 | H | Freighter | | 1023 | 798 | |
| PARTHENIA | 671 | | Yacht | 1903 | | | |
| PASADENA | 2943 | | Freighter | 1918 | Req. | | |
| PASSAIC | 3036 | | ID | | | | |
| PASSAIC BRIDGE | 3938 | | Freighter | 1919 | 1023 | 566 | |
| PASSPORT | 2659 | | ID | | | | |
| PASTORES | 4540 | | Passenger | 1913 | | | |
| PATAPSCO | 3475 | | ID | | | | |
| PATCHOGUE | 1227 | | Ferry | 1912 | | | |
| PATCHOGUE | 2248 | | ID | | | | |
| PATHFINDER | 678 | | SP | | | | |
| PATHFINDER | 1820 | | ID | | | | |
| PATHFINDER | 2859 | | ID | | | | |
| PATIENCE | 1384 | | ID | | | | |
| PATRICIA | 2596 | | ID | | | | |
| PATRICK HENRY | 4420 | A | Freighter | | Req. | | |
| PATROL #2 | 409 | | Motor Boat | | | | |
| PATROL #5 | 29 | | Motor Boat | 1916 | | | |
| PATROL #6 | 54 | | Motor Boat | 1916 | | | |
| PATROL #7 | 31 | | Motor Boat | 1916 | | | |
| PATROL #1 | 45 | | Motor Boat | 1916 | | | |
| PATROL #10 | 85 | | Motor Boat | 1917 | | | |
| PATROL #11 | 1106 | | Motor Boat | 1912 | | | |
| PATROL #4 | 8 | | Motor Boat | 1915 | | | |
| PATROL #8 | 56 | | Motor Boat | 1916 | | | |
| PATTERSON | 866 | | SP | | | | |
| PATTINA | 675 | | Motor Boat | 1916 | | | |
| PATUXENT | 2766 | | ID | | | | |
| PAUL H. HARWOOD | 2717 | | Tanker | | Req. | | |
| PAUL LE ROUX | 3099 | | ID | | | | |
| PAULINE | 658 | | Motor Boat | | | | |
| PAULSBORO | 1282 | | Tanker | 1916 | | | |
| PAWLET | 4362 | A | Freighter | | 1015 | 1071 | |
| PAWNAR | 1825 | | ID | | | | |
| PAWNEE | 699 | | Yacht, steam | 1904 | | | |
| PAWNEE | 1685 | | ID | | | | |
| PAWTUCKET | 4279 | D | Freighter | | 1023 | 789 | |
| PAYSANDU | 3880 | | Passenger | 1898 | | | |
| PEARL | 1098 | | SP | | | | |
| PEARL | 1219 | | Motor Boat | 1912 | | | |
| PEARL D. EVANS | 1090 | | SP | | | | |
| PEARL SHELL | 2254 | | ID | | | | |
| PEE JEE | 3287 | | Barge | 1916 | | | |
| PEERLESS | 1639 | | Freighter | 1917 | | | |
| PEERLESS | 1930 | | Barge, NY | | | | |
| PEERLESS | 2275 | | ID | | | | |
| PEERLESS | 2299 | | Tug | 1899 | | | |
| PEG O MY HEART | 916 | | SP | | | | |
| PEGGY | 1061 | | SP | | | | |
| PEGGY | 1072 | | Motor Boat | 1914 | | | |
| PELEE | 2982 | | ID | | | | |
| PELHAM | 3034 | | ID | | | | |
| PELICAN | 4188 | | ID | | | | |
| PEMAQUID | 2046 | | ID | | | | |
| PENGUIN | 1131 | | SP | | | | |
| PENGUIN | 4425 | I | Trawler | | | | |
| PENINSULA STATE | 4693 | | Pass & Cgo | 1922 | 1029 | 2584 | Later PRESIDENT ROOSEVELT |
| PENLLYN | 2115 | | ID | | | | |
| PENNSYLVANIA | 1625 | | ID | | | | |
| PENNSYLVANIA | 2834 | | ID | | | | |
| PENNSYLVANIA | 3577 | | ID | | | | |
| PENNSYLVANIA SUN | 4692 | | Tanker | 1922 | | | |
| PENNSYLVANIA SUN | 5008 | . | Tanker | 1938 | | | |
| PENOBSCOT | 982 | | Tug | 1903 | | | |
| PENSACOLA | 2078 | | Freighter | 1901 | | | |
| PEQUOT | 1400 | | ID | | | | |
| PEQUOT | 2998 | | Freighter | 1910 | | | |
| PERALTA | 4560 | A | Tkr. (conc.) | | 1100 | 1662 | |
| PERE MARQUETTE #7 | 2558 | | ID | | | | |
| PERFECTION | 1551 | | ID | | | | |
| PERFECTION | 2666 | | ID | | | | |
| PERFECTO | 86 | | Motor Boat | 1917 | | | |
| PERSEVERANCE | 3050 | | ID | | | | |
| PERSEVERENCE | 3165 | | ID | | | | |
| PERTH AMBOY | 1124 | | SP | | | | |
| PERTH AMBOY | 2417 | | ID | | | | |
| PETE | 596 | | Motor Boat | | | | |
| PETER G. STRUVEN | 332 | | Menhaden | 1907 | | | |
| PETER H. CROWELL | 2987 | . | Freighter | 1912 | | | |
| PETER PAN II | 3382 | | ID | | | | |
| PETER REISS | 2961 | | ID | | | | |
| PETREL | 59 | | Motor Boat | | | | |
| PETREL | 546 | | Motor Boat | | | | |
| PETREL | 826 | | SP | | | | |
| PETROLIA NO. 2 | 3492 | | ID | | | | |
| PHECDA | 2723 | | ID | | | | |
| PHIADELPHIA | 1498 | | SP | | | | |
| PHILADELPHIA | 2286 | | ID | | | | |
| PHILADELPHIA | 4075 | | Barge | 1913 | | | |
| PHILIP PUBLICKER | 4558 | | Tanker | 1920 | | | |
| PHILIP T. DODGE | 2647 | | ID | | | | |
| PHILIPPINES | 1677 | | Passenger | 1898 | | | |
| PHILLIP K. BAUMAN | 377 | | Menhaden | 1912 | | | |
| PHILLIPS | 1389 | | Tug | 1901 | | | |
| PHOENIX | 2958 | | ID | | | | |
| PHOENIX | 3494 | | Tanker | | Req. | | |
| PHOENIX #23 | 2738 | | ID | | | | |
| PHOENIX BRIDGE | 3767 | | Freighter | 1918 | 1023 | 557 | |
| PIAVE | 3799 | | Freighter | 1918 | 1037 | 957 | |
| PIEDMONT | 867 | | SP | | | | |
| PILGRIM | 1204 | | Motor Boat | 1893 | | | |
| PILGRIM | 2765 | | ID | | | | |
| PILOT | 739 | | SP | | | | |
| PILOT | 850 | | SP | | | | |
| PINAR DEL RIO | 2090 | | ID | | | | |
| PINE TREE STATE | 4577 | | Pass & Cgo | 1921 | 1029 | 2505 | Later PRESIDENT GRANT |
| PINELLAS | 4985 | | Freighter | 1920 | 1012 | 15 | Later MALTRAN |
| PIONEER | 2229 | | ID | | | | |
| PIONEER | 4949 | | Yacht | 1927 | | | |
| PIPESTONE COUNTY | 4239 | P | Freighter | | 1022 | 532 | |
| PIQUA | 2792 | | Freighter | | Req. | | |
| PIRATE | 229 | | Motor Boat | 1916 | | | |
| PITTSBURGH BRIDGE | 4213 | L | Freighter | | 1023 | 851 | |
| PLAINFIELD | 3340 | | Freighter | | Req. | | |
| PLATANO | 5014 | . | Freighter | 1930 | | | |
| PLATTSBURG | 1645 | | Passenger | 1888 | | | |
| PLAYA | 4714 | | Tanker | 1921 | | | |
| PLEIADES | 1616 | | Freighter | 1900 | | | |
| PLOOVER | 1042 | | SP | | | | |
| PLOVER | 4425 | J | Trawler | | | | |
| PLOVER II | 638 | | SP | | | | |
| PLOW CITY | 4418 | . | Freighter | 1919 | 1023 | 840 | |
| PLUTO | 2667 | | ID | | | | |
| PLYMOUTH | 1122 | | SP | | | | |
| PLYMOUTH | 2019 | | ID | | | | |
| PLYMOUTH | 3308 | | Collier | 1915 | | | |
| POCAHONTAS | 2267 | | ID | | | | |
| POCAHONTAS | 3044 | | Passenger | 1900 | | | |
| POCOMOKE | 265 | | Menhaden | 1902 | | | |
| POCOMOKE | 571 | | Freight, small | | | | |
| POCOMOKE | 2265 | | SP | | | | |
| POINT ADAMS | 3428 | | Freighter | | Req. | | |
| POINT ARENA | 2512 | | Freighter | | Req. | | |
| POINT BONITA | 3496 | | Freighter | 1918 | Req. | | |
| POINT CHESTER | 3400 | | ID | | | | |
| POINT JUDITH | 3334 | | Freighter | | Req. | | |
| POINT LOBOS | 3404 | | Freighter | 1918 | Req. | | |
| POINT LOMA | 2537 | | Freighter | | Req. | | |
| POLAR BEAR | 3666 | | Refrig Cgo | 1918 | Req. | | |
| POLAR LAND | 3651 | | Refrig Cgo | 1918 | Req. | | |
| POLAR SEA | 3301 | . | Refrig Cgo | 1918 | Req. | | |
| POLAR STAR | 3787 | | Refrig Cgo | 1918 | Req. | | |
| POLITESSE | 662 | | Motor Boat | 1911 | | | |
| POLLUX | 2573 | | Freighter | 1909 | | | |
| POLLY | 690 | | Motor Boat | 1909 | | | |
| POLLYANNA | 1048 | | Motor Boat | 1900 | | | |
| POLLYWAG | 1100 | | SP | | | | |
| POLYBIUS | 4468 | | Freighter | | | | Error for ID-4037 |
| POLYBIUS | 4037 | . | Freighter | 1919 | 1079 | 1930 | ID-4468 is error |
| POMANDER | 702 | | Motor Boat | | | | |
| POMONA | 4583 | | Freighter | 1920 | 1032 | 1682 | |
| PONCE | 364 | | Motor Boat | | | | |
| PONCE | 2035 | | ID | | | | |
| PONTIA | 4124 | | Freighter | 1919 | 1023 | 785 | |
| PONTIAC | 2343 | | Pass, coast. | 1883 | | | |
| POPPY | 475 | | SP | | | | |
| PORPOISE | 4 | | Motor Boat | 1910 | | | |
| PORT CHESTER | 3336 | | ID | | | | |
| PORT COVINGTON | 3481 | | ID | | | | |
| PORT MORRIS | 2325 | | ID | | | | |
| PORTER | 2329 | | Tug (wood) | | 1086 | 2450 | |
| PORTER | 3304 | | Barge | 1916 | | | |
| PORTLAND | 2402 | | Barge | 1896 | | | |
| PORTLAND | 3269 | | ID | | | | |
| PORTSMOUTH | 4361 | A | Freighter | | 1019 | 989 | |
| POSTMASTER GENERAL | 2364 | | Pass, harbor | 1898 | | | |
| POTOMAC | 305 | | SP | | | | |
| POTTER | 4413 | E | Freighter | | 1037 | 1908 | |
| POUGHKEEPSIE | 4081 | | Freighter | 1918 | 1025 | 761 | |
| POUGHPEEKSIE | 1977 | | ID | | | | |
| POWERFUL | 476 | | SP | | | | |
| POWOW | 2969 | | ID | | | | |
| PRESIDENT ANDREW JACKSON | 5009 | . | Pass & Cgo | 1940 | | | [MC-53] |
| "PRESIDENT GROVER CLEVELAND" | 5009 | A | Pass & Cgo | 1941 | | | Prob. PRESIDENT HAYES [MC-55] |
| "PRESIDENT JAMES K. POLK" | 5009 | C | Pass & Cgo | 1941 | | | Prob. PRESIDENT GARFIELD [MC-56] |
| PRESIDENT JAMES MONROE | 5009 | B | Pass & Cgo | 1940 | | | [MC-54] |
| PRESIDENT JOHN ADAMS | 5009 | D | Pass & Cgo | 1941 | | | [Prob. MC-57] |
| "PRESIDENT WILLIAM H. TAFT" | 5009 | E | Pass & Cgo | 1941 | | | Prob. PRESIDENT VAN BUREN [MC-58] |
| PRESIDENT | 576 | | SP | | | | |
| PRESIDENT | 2416 | | ID | | | | |
| PRESIDENT | 2764 | | ID | | | | |
| PRESIDENT COOLIDGE | 4869 | | Passenger | 1931 | | | |
| PRESIDENT GRANT | 3014 | | Passenger | 1907 | | | |
| PRIMROSE | 395 | | SP | | | | |
| PRINCE | 2605 | | ID | | | | |
| PRINCESS | 295 | | SP | | | | |
| PRINCESS | 868 | | SP | | | | |
| PRINCESS | 3189 | | ID | | | | |
| PRINCESS ANNE | 1099 | | SP | | | | |
| PRINCESS MATOIKA | 2290 | | Passenger | 1900 | | | |
| PRINCETON | 2400 | | ID | | | | |
| PRINCETON | 4567 | | Tanker | 1911 | | | |
| PRINCETON | 4924 | | Trawler | 1919 | | | |
| PRINS DER NEDERLANDEN | 2752 | | ID | | | | |
| PRINS FREDERIK HENDIRIK | 2453 | | ID | | | | |
| PRINTER | 2446 | | ID | | | | |
| PRINZ FRIEDRICH WILHELM | 4063 | | Passenger | 1908 | | | |
| PRINZ WILLEM I | 2484 | | ID | | | | |
| PRISCILLA | 944 | | SP | | | | |
| PRISCILLA | 4677 | | Tanker | 1924 | | | |
| PRISCILLA (PRICILLA) | 44 | | Schooner, aux. | 1884 | | | |
| PRISCILLA II | 865 | | SP | | | | |
| PRIVATEER | 18 | | SP | | | | |
| PRIVATEER | 179 | | Motor Boat | 1917 | | | |
| PROCTOR | 4407 | M | Freighter | | 1020 | 1226 | |
| PROCYON | 2907 | | ID | | | | |
| PROGRESSIVE | 2003 | | Tug | 1916 | | | |
| PROSIT | 553 | | SP | | | | |
| PROTECTOR | 1242 | | Tug | 1882 | | | |
| PROTEUS | 1690 | | ID | | | | |
| PROVIDENCE | 2053 | | ID | | | | |
| PROVIDENCE SOCONY | 4757 | | Tanker | 1925 | | | |
| PROVIDENCIA | 3617 | | ID | | | | |
| PRUDENCE | 1382 | | ID | | | | |
| PRUSA | 3987 | | Freighter | 1919 | 1022 | 498 | |
| PSYCHE IV | 7 | | SP | | | | |
| PSYCHE V | 9 | | Motor Boat | 1911 | | | |
| PUGET SOUND | 3518 | | Freighter | | Req. | | |
| PULSAKI | 4356 | G | Freighter | | 1099 | 1844 | |
| PURITAN | 282 | | SP | | | | |
| PURITAN | 2222 | | Pass, lake | 1901 | | | |
| PUTNAM | 4232 | A | Freighter | | 1023 | 802 | |
| PYTHAGORAS II | 1059 | | SP | | | | |
| Q. A. GILLMORE | 2895 | | ID | | | | |
| QUAKER | 4963 | | Freighter | 1938 | | | |
| QUAKER CITY | 4253 | QQ | Freighter | | 1022 | 1494 | |
| QUANSETT | 603 | | SP | | | | |
| QUANTICO | 2380 | | ID | | | | |
| QUEEN | 1162 | | SP | | | | |
| QUEEN | 3060 | | ID | | | | |
| QUEEN II | 1101 | | SP | | | | |
| QUEEN MARY | 4982 | | Trawler | 1938 | | | |
| QUERIDA M | 1102 | | SP | | | | |
| QUEST | 171 | | Motor Boat | 1916 | | | |
| QUI VIVE | 1004 | | Motor Boat | 1916 | | | |
| QUICKSILVER | 281 | | Motor Boat | 1916 | | | |
| QUIDNIC | 3064 | | Frt. (wood) | | 1003 | 427 | |
| QUINAULT | 3358 | A | Frt. (wood) | | 1001 | 473 | |
| QUINCY | 4928 | | Trawler | 1929 | | | |
| QUINNEBAUG | 1687 | | Pass, coast. | 1899 | | | |
| QUINNEBAUG | 2478 | | ID | | | | |
| QUINNIPIAC | 4365 | | Freighter | 1919 | 1016 | 375 | |
| QUINNISECO | 3441 | . | Frt. (comp.) | | 1010 | 63 | |
| QUIRIGUA | 4876 | C | Pass & Cgo | 1932 | | | |
| QUISTCONCK | 3826 | | Freighter | 1918 | 1022 | 492 | |
| QUITTICAS | 4125 | | Freighter | | 1014 | 114 | |
| QUO VADIS | 1006 | | SP | | | | |
| QUOQUE | 3616 | | Frt. (wood) | | 1001 | 444 | |
| R. B. DOUGLAS | 335 | | SP | | | | |
| R. C. LUNDY | 488 | | SP | | | | |
| R. C. REYNOLDS | 2448 | | ID | | | | |
| R. D. LEONARD | 4781 | | Tanker | 1922 | | | |
| R. G. TOWNSEND | 2263 | | ID | | | | |
| R. J. BIGLEY | 1944 | | ID | | | | |
| R. J. HANNA | 4697 | | Tanker | 1921 | | | |
| R. KELLOGG | 1333 | | ID | | | | |
| R. M. & S. NO.14 | 3483 | | ID | | | | |
| R. M. & S. NO.2 | 3468 | | ID | | | | |
| R. M. & S. NO.5 | 3466 | | ID | | | | |
| R. M. & S. NO.6 | 3467 | | ID | | | | |
| R. M. & S. NO.7 | 3465 | | ID | | | | |
| R. P. REIDENBACH | 2917 | | ID | | | | |
| R. S. MCCRACKEN | 2425 | | Barge | | | | |
| R. W. GALLAGHER | 4992 | A | Tanker | 1938 | | | |
| R. W. WILMOT | 604 | | Tug | 1898 | | | |
| RAAZOO | 508 | | Motor Boat | 1916 | | | |
| RABOCO | 310 | | Motor Boat | 1913 | | | |
| RACCOON | 506 | | Motor Boat | 1915 | | | |
| RADIANT | 1324 | | ID | | | | |
| RADIANT | 1546 | | ID | | | | |
| RADNOR | 3023 | | Pass & Cgo | 1918 | Req. | | |
| RAEO | 588 | | Motor Boat | 1908 | | | |
| RAINBOW | 2760 | | ID | | | | |
| RAJAH | 2039 | | ID | | | | |
| RALEIGH | 3271 | | Pass, coast. | 1906 | | | |
| RAMBLER | 211 | | Yacht, steam | 1900 | | | |
| RAMBLER II | 833 | | SP | | | | |
| RAMONA | 4890 | | Yacht | 1922 | | | |
| RANDWIJK | 2546 | | Freighter | 1912 | | | |
| RANGELEY | 2032 | | ID | | | | |
| RANGER | 237 | | Yacht, steam | 1910 | | | |
| RANGER | 369 | | Trawler | 1882 | | | |
| RAPOREL | 3069 | | ID | | | | |
| RAPPAHANNOCK | 324 | | SP | | | | |
| RAPPAHANNOCK | 1854 | | Freighter | 1913 | | | |
| RAPPAHANNOCK | 2374 | | ID | | | | |
| RARITAN | 2773 | | ID | | | | |
| RAVEN III | 103 | | Motor Boat | 1916 | | | |
| RAYMOND | 1714 | | Barge, NY | | | | |
| RAYMOND | 2057 | | Barge, special | 1893 | | | |
| RAYMOND | 2065 | | SP | | | | |
| RAYMOND J. ANDERTON | 530 | | Menhaden | 1911 | | | |
| RAYO | 4761 | | Tanker | 1912 | | | |
| REAPER | 4834 | | Tanker | 1920 | Req. | | |
| RED BALL | 1732 | | ID | | | | |
| RED CLOUD | 3371 | | Frt. (comp.) | | 1009 | 1 | |
| RED FEATHER | 3484 | | ID | | | | |
| RED FOX | 2048 | | ID | | | | |
| RED HAWK | 3624 | | ID | | | | |
| RED JACKET [MC-15] | 4997 | A | Freighter | 1939 | | | |
| RED MOUNTAIN | 4382 | H | Freighter | | 1025 | 968 | |
| RED RIBBON | 3539 | | ID | | | | |
| REDLANDS | 3934 | | Frt. (wood) | 1919 | 1001 | 1036 | |
| REDONDO | 2256 | | Freighter | | Req. | | |
| REGENT | 4988 | | Tanker | 1934 | | | |
| REGINA | 896 | | SP | | | | |
| REGINA D'ITALIA | 3101 | | ID | | | | |
| REGIS II | 1083 | | Motor Boat | 1902 | | | |
| REHOBOTH | 384 | | Fishing | | | | |
| REILEY E. PRATT | 1900 | | Barge, NY | | | | |
| RELAY | 4840 | | Cable Ship | 1890 | | | |
| RELIABLE | 352 | | Motor Boat | | | | |
| RELIANCE | 2745 | | ID | | | | |
| RELIEF | 2170 | | Salvage | 1907 | | | |
| RELIEF | 4736 | | Tug | 1907 | | | |
| REMLIK | 157 | | Yacht, steam | 1903 | | | |
| REMUS | 4091 | | Freighter | 1919 | 1014 | 112 | |
| REP | 3199 | | ID | | | | |
| REPOSO II | 198 | | Yacht, steam | 1882 | | | |
| REPUBLIC | 1157 | | SP | | | | |
| RESCUE | 3209 | | Salvage | 1899 | | | |
| RESOLUTE | 1304 | | ID | | | | |
| RESOLUTE | 1309 | | Tug | 1916 | | | |
| RESOLUTE | 3003 | | Motor Boat | 1913 | | | |
| RESOLUTE | 3218 | | Tug | 1906 | | | |
| RESOLUTE | 3609 | | ID | | | | |
| RESTORER | 4792 | | Cable Ship | 1903 | | | |
| REUBEN TIPTON [MC-69] | 5012 | B | Freighter | 1940 | | | |
| RHEBAL | 1195 | | Motor Boat | 1917 | | | |
| RHODE ISLAND | 2037 | | ID | | | | |
| RHODE ISLAND | 4939 | | Tanker | 1937 | | | |
| RICHARD C. | 3746 | | Derrick Ltr | 1916 | | | |
| RICHARD III | 39 | | SP | | | | |
| RICHARD J. FOSTER | 3628 | | ID | | | | |
| RICHMOND | 2221 | | Tug | 1891 | | | |
| RICHMOND | 2444 | | Barge (wood) | | 1129 | 2578 | |
| RICHMOND | 4533 | . | Tanker | 1913 | | | |
| RICHMOND BORO | 4217 | | Freighter | 1919 | 1017 | 223 | |
| RICKWOOD | 597 | | Motor Boat | 1910 | | | |
| RIETTE | 107 | | Motor Boat | 1916 | | | |
| RIJNDAM | 2505 | | Passenger | 1901 | | | |
| RIJNDIJK | 2493 | | Freighter | 1915 | | | |
| RIJNLAND | 2718 | | Freighter | 1900 | | | |
| RIO GRANDE | 1686 | | ID | | | | |
| RIPOGENUS | 4196 | | Barge | 1919 | | | |
| RIPON | 4370 | I | Freighter | | 1074 | 1757 | |
| RIPPLE | 2439 | | Trawler | 1910 | | | |
| RIPPLE | 4141 | | Trawler | | | | |
| RIVALEN | 63 | | Motor Boat | 1916 | | | |
| RIVERSIDE BRIDGE | 4434 | L | Freighter | | | | |
| ROAMER | 1047 | | Steam boat | 1902 | | | |
| ROANOKE | 1695 | | Passenger | 1901 | | | |
| ROANOKE | 4364 | . | Tanker | 1919 | Req. | | |
| ROBERT D. JR. | 1772 | | ID | | | | |
| ROBERT E. HOPKINS | 4751 | | Tanker | 1922 | | | |
| ROBERT E. LEE | 4679 | | Coastal Pass | 1924 | | | |
| ROBERT H. COLLEY | 4952 | | Tanker | 1938 | | | |
| ROBERT H. MCCURDY | 3157 | | Barge, special | 1903 | | | |
| ROBERT J. MCQUIRL | 3238 | | ID | | | | |
| ROBERT L. BARNES | 3088 | | Tanker | 1917 | | | |
| ROBERT L. STEVENS | 1200 | | SP | | | | |
| ROBERT M. THOMPSON | 3319 | | Freighter | 1912 | | | |
| ROBERT M. UTZ | 1019 | | SP | | | | |
| ROBERT PALMER | 2945 | | ID | | | | |
| ROBERT S. PARSONS | 2002 | | ID | | | | |
| ROBERT W. JOHNSON | 3516 | | ID | | | | |
| ROBIN ADAIR | 4325 | A | Freighter | | 1079 | 1948 | |
| ROBIN GOODFELLOW | 4325 | C | Freighter | | 1079 | 1950 | |
| ROBIN GRAY | 4325 | B | Freighter | | 1079 | 1949 | |
| ROBIN HOOD | 4325 | . | Freighter | 1919 | 1079 | 1947 | |
| ROBIN HOOD III | 872 | | SP | | | | |
| ROCHESTER | 1401 | | ID | | | | |
| ROCHESTER | 4477 | | Tanker | 1920 | | | |
| ROCHESTER SOCONY | 4748 | | Tanker | 1920 | | | |
| ROCK ISLAND | 4159 | | Freighter | 1919 | Req. | | |
| ROCK ISLAND BRIDGE | 4434 | M | Freighter | | 1023 | 826 | |
| ROCKAWAY PARK | 4214 | B | Freighter | | 1063 | 1292 | |
| ROCKPORT | 4382 | I | Freighter | | 1025 | 969 | |
| ROD | 3114 | | Barge, NY | | | | |
| RODME | 925 | | SP | | | | |
| ROEPAT | 2536 | | Freighter | 1914 | | | |
| ROGDAY | 3583 | | Icebreaker | 1915 | | | |
| ROMANY | 48 | | SP | | | | |
| ROME SOCONY | 4752 | | Tanker | 1924 | | | |
| ROMULUS | 4231 | . | Tanker | | 1031 | 1140 | |
| RONDO | 90 | | Motor Boat | 1907 | | | |
| RONDO | 2488 | | Freighter | 1914 | | | |
| RONDOUT | 3200 | | Barge, NY | | | | |
| ROOSEVELT | 2397 | | Steamer | 1905 | | | |
| ROSA | 13 | | SP | | | | |
| ROSA | 757 | | Motor Boat | 1909 | | | |
| ROSALIE L | 3066 | | ID | | | | |
| ROSE | 3424 | | ID | | | | |
| ROSE CITY | 1623 | | ID | | | | |
| ROSE MARY | 1216 | | Motor Boat | 1917 | | | |
| ROSE R. II | 410 | | SP | | | | |
| ROSEBUD | 1134 | | SP | | | | |
| ROSEDALE | 3079 | | Pass, river | 1877 | | | |
| ROSELLE | 350 | | Tug | 1903 | | | |
| ROSEWAY | 3673 | | ID | | | | |
| ROTARIAN | 4497 | C | Freighter | | 1014 | 2638 | |
| ROY H. BEATTIE | 3639 | | Frt. (wood) | | 1001 | 391 | |
| ROYAL | 2655 | | ID | | | | |
| ROYAL ARROW | 2105 | | ID | | | | |
| RUBY | 2199 | | ID | | | | |
| RUDDOCK TUG #2 | 2642 | | ID | | | | |
| RUDOLPH BROTHERS | 2544 | | ID | | | | |
| RUMSONHILL | 748 | | Motor Boat | | | | |
| RUSH | 712 | | Motor Boat | | | | |
| RUSHVILLE | 4356 | I | Freighter | | 1099 | 1842 | |
| RUSS | 1151 | | Motor Boat | 1917 | | | |
| RUSSARA | 1133 | | SP | | | | |
| RUTH | 3048 | | ID | | | | |
| RUTH | 3721 | | Derrick Brg | 1916 | | | |
| RUTOMA | 78 | | Motor Boat | 1910 | | | |
| S. & F. CO. #12 | 2730 | | ID | | | | |
| S. & F. CO. #14 | 2731 | | ID | | | | |
| S. & F. CO. #15 | 2698 | | ID | | | | |
| S. & F. CO. #73 | 2673 | | ID | | | | |
| S. & L. #3 | 1942 | | ID | | | | |
| S. B. GREACEN | 2437 | | ID | | | | |
| S. B. HUNT | 4233 | B | Tanker | | Req. | | |
| S. B. THORNE | 3613 | | ID | | | | |
| S. C. T. DODD | 4561 | | Tanker | 1920 | | | |
| S. E. KING | 3614 | | ID | | | | |
| S. E. VAUGHEN | 2399 | | ID | | | | |
| S. E. VINCENT | 1846 | | ID | | | | |
| S. G. #148 | 3264 | | ID | | | | |
| S. M. GOUCHER | 2487 | | Tug | 1913 | | | |
| S. M. SPALDING | 2387 | | Tanker | | Req. | | |
| S. N. CO. 12 | 2074 | | Barge, NY | | | | |
| S. N. CO. 18 | 1987 | | Barge, NY | | | | |
| S. N. CO. 24 | 1982 | | Barge, NY | | | | |
| S. N. CO. 26 | 1972 | | Barge, NY | | | | |
| S. N. CO. 29 | 2070 | | Barge, NY | | | | |
| S. N. CO. 32 | 1985 | | Barge, NY | | | | |
| S. N. CO. NO. 1 | 2026 | | Barge, NY | | | | |
| S. N. CO. NO. 10 | 2014 | | Barge, NY | | | | |
| S. N. CO. NO. 14 | 2011 | | Barge, NY | | | | |
| S. N. CO. NO. 2 | 2016 | | Barge, NY | | | | |
| S. N. CO. NO. 20 | 2012 | | Barge, NY | | | | |
| S. N. CO. NO. 21 | 2024 | | Barge, NY | | | | |
| S. N. CO. NO. 22 | 2023 | | Barge, NY | | | | |
| S. N. CO. NO. 28 | 2022 | | Barge, NY | | | | |
| S. N. CO. NO. 30 | 2018 | | Barge, NY | | | | |
| S. N. CO. NO. 32 | 1988 | | ID | | | | |
| S. N. CO. NO. 33 | 2081 | | ID | | | | |
| S. N. CO. NO. 4 | 2015 | | Barge, NY | | | | |
| S. N. CO. NO. 6 | 2025 | | Barge, NY | | | | |
| S. N. CO. NO. 9 | 2013 | | Barge, NY | | | | |
| S. T. #7 | 514 | | SP | | | | |
| S. T. CO. #10 | 2112 | | ID | | | | |
| S. T. CO. #11 | 1393 | | ID | | | | |
| S. T. CO. #14 | 1398 | | ID | | | | |
| S. T. CO. #15 | 1386 | | ID | | | | |
| S. T. CO. #16 | 2098 | | ID | | | | |
| S. T. CO. #17 | 1388 | | ID | | | | |
| S. T. CO. #18 | 1461 | | SP | | | | |
| S. T. CO. #19 | 1392 | | ID | | | | |
| S. T. CO. #2 | 267 | | Tug | 1898 | | | |
| S. T. CO. #20 | 2095 | | ID | | | | |
| S. T. CO. #21 | 2056 | | ID | | | | |
| S. T. CO. #22 | 338 | | SP | | | | |
| S. T. CO. #6 | 2113 | | ID | | | | |
| S. TUG | 1757 | | ID | | | | |
| S. V. HARKNESS | 1609 | | ID | | | | |
| S. W. BOWNE | 1869 | | Barge, NY | | | | |
| S. W. HOLBROOK | 2427 | | ID | | | | |
| SABALO | 225 | | Yacht, motor | 1916 | | | |
| SABINE | 1464 | | SP | | | | |
| SABINE SUN | 2747 | | Tanker | | Req. | | |
| SABLE | 3659 | | ID | | | | |
| SABOT | 213 | | SP | | | | |
| SABOTAWAN | 4056 | | Freighter | 1919 | 1017 | 219 | |
| SAC CITY | 3861 | | Freighter | 1918 | 1022 | 493 | |
| SACANDAGA | 3877 | | Freighter | 1918 | 1022 | 494 | |
| SACCARAPPA | 3828 | | Freighter | 1918 | 1022 | 495 | |
| SACHEM | 192 | | Yacht, steam | 1902 | | | |
| SACHEM | 2477 | | ID | | | | |
| SACHEM II | 828 | | SP | | | | |
| SACO | 4239 | Q | Freighter | | 1022 | 496 | |
| SADIE ROSS | 736 | | Tug | 1904 | | | |
| SADIE SCISM | 1876 | | Barge, NY | | | | |
| SAETIA | 2317 | | Freighter | 1918 | Req. | | |
| SAG HARBOR | 3352 | . | Freighter | | Req. | | |
| SAGADAHOC | 3311 | | Freighter | 1918 | Req. | | |
| SAGAMORE | 3032 | | ID | | | | |
| SAGAMORE | 3296 | | Tug | 1918 | | | |
| SAGAPORACK | 3962 | | Freighter | 1919 | 1022 | 497 | |
| SAGITTA | 69 | | SP | | | | |
| SAGUA | 1627 | | Freighter | 1914 | | | |
| SAGUACHE | 3933 | | Freighter | | 1022 | 499 | |
| SAHALE | 4239 | R | Freighter | | 1022 | 500 | |
| SAIKI MARU | 1512 | | ID | | | | |
| SAINT AUGUSTINE | 4111 | | Freighter | | | | |
| SAINT FRANCIS | 1557 | | Freighter | 1914 | | | |
| SAINT JOHN | 4865 | | Pass & Cgo | 1932 | | | |
| SAINT JOHN'S COUNTY | 4127 | | Freighter | 1919 | | | |
| SALAAM | 4296 | L | Freighter | | 1025 | 624 | |
| SALEM COUNTY | 4231 | A | Tanker | | 1031 | 1141 | |
| SALINA | 4568 | B | Tanker | | 1041 | 1029 | |
| SALLY C. | 3244 | | ID | | | | |
| SALMON | 3618 | . | Frt. (wood) | | 1003 | 660 | |
| SALUDA | 4004 | | Freighter | 1919 | 1022 | 501 | |
| SALVATION LASS | 4239 | S | Freighter | | 1022 | 530 | |
| SALVOR | 3418 | | Barge, special | 1899 | | | |
| SAMARINDA | 2511 | | Freighter | 1912 | | | |
| SAMMY M. SULLIVAN | 1904 | | Barge, NY | | | | |
| SAMOSET | 2000 | | Frt. (wood) | 1897 | 1001 | 2192 | |
| SAMUEL L. FULLER | 4846 | | Tanker | 1921 | | | |
| SAMUEL MITCHELL | 2781 | | ID | | | | |
| SAMUEL Q. BROWN | 4765 | | Tanker | 1922 | | | |
| SAMUEL S. BROWN | 500 | | SP | | | | |
| SAN DIEGAN | 4965 | | Tanker | 1920 | | | |
| SAN JACINTO | 1531 | | Passenger | 1903 | | | |
| SAN JOSE | 1964 | | ID | | | | |
| SAN JUAN | 1352 | | Salvage | 1904 | | | |
| SAN JUAN | 2262 | | SP | | | | |
| SAN JUAN | 3306 | | ID | | | | |
| SAN TOY II | 996 | | Motor Boat | 1907 | | | |
| SANDUSKY | 2923 | | ID | | | | |
| SANDY HOOK | 1497 | | SP | | | | |
| SANGAMON | 4239 | T | Freighter | | 1022 | 502 | |
| SANS SOUCI II | 301 | | Motor Boat | 1907 | | | |
| SANTA ALICIA | 2476 | | ID | | | | |
| SANTA ANA | 2869 | | Pass & Cgo | 1918 | Req. | | |
| SANTA ANA [MC-28] | 4997 | F | Freighter | 1940 | | | |
| SANTA BARBARA | 4522 | | Freighter | 1916 | | | |
| SANTA BARBARA | 4873 | . | Pass & Cgo | 1928 | | | |
| SANTA CECILIA | 4008 | | Freighter | 1913 | | | |
| SANTA CLARA | 2740 | | ID | | | | |
| SANTA CLARA | 4523 | | Freighter | 1913 | | | |
| SANTA CLARA | 5043 | | Pass & Cgo | 1930 | | | |
| SANTA CRUZ | 2128 | | ID | | | | |
| SANTA ELENA | 2212 | | ID | | | | |
| SANTA ELENA | 4052 | | Freighter | 1907 | | | |
| SANTA ELENA | 4868 | . | Pass & Cgo | 1933 | | | |
| SANTA ELISA | 4352 | . | Pass & Cgo | 1918 | Req. | | |
| SANTA LEONORA | 4352 | A | Pass & Cgo | 1918 | Req. | | |
| SANTA LUCIA | 4868 | C | Pass & Cgo | 1933 | | | |
| SANTA LUISA | 2873 | . | Pass & Cgo | 1918 | Req. | | |
| SANTA MALTA | 3125 | A | Freighter | 1919 | Req. | | |
| SANTA MARIA | 595 | | SP | | | | |
| SANTA MARIA | 4873 | A | Pass & Cgo | 1928 | | | |
| SANTA MARTA | 4520 | | Passenger | 1909 | | | |
| SANTA OLIVIA | 3125 | . | Freighter | 1918 | Req. | | |
| SANTA PAULA | 1590 | | Freighter | 1917 | | | |
| SANTA PAULA | 4868 | B | Pass & Cgo | 1932 | | | |
| SANTA RITA | 2206 | | ID | | | | |
| SANTA ROSA | 2169 | | Freighter | 1917 | | | |
| SANTA ROSA | 4868 | A | Pass & Cgo | 1932 | | | |
| SANTA ROSALIA | 1503 | | Freighter | 1911 | | | |
| SANTA TECLA | 3155 | | Freighter | | Req. | | |
| SANTA TERESA | 2873 | A | ID | | | | |
| SANTA TERESA | 3804 | | Pass & Cgo | 1918 | Req. | | |
| SANTA TERESA [MC-29] | 4997 | G | Freighter | 1940 | | | |
| SANTIAGO | 2253 | | Freighter | 1906 | | | |
| SANTINO | 1422 | | ID | | | | |
| SANTORE | 2485 | | Bulk Carrier | | Req. | | |
| SANTOS | 2688 | | ID | | | | |
| SANWAN | 1430 | | SP | | | | |
| SAPINERO | 3927 | | Freighter | 1919 | 1022 | 503 | |
| SAPPHIRE | 710 | | Steam boat | 1900 | | | |
| SAPPHO | 1427 | | Pass, coast. | 1886 | | | |
| SAPULPA | 4473 | B | Tanker | | 1041 | 1030 | |
| SARA THOMPSON | 3148 | | Tanker | 1888 | | | |
| SARAH ELIZABETH | 3211 | | ID | | | | |
| SARAH JANE | 1075 | | SP | | | | |
| SARAMACCA | 2220 | | ID | | | | |
| SARANAC | 1702 | | Pass, coast. | 1899 | | | |
| SARCOXIE | 4239 | U | Freighter | | 1022 | 504 | |
| SARIS | 4132 | | Frt. (wood) | 1918 | 1001 | 647 | |
| SASCUTNEY | 1670 | | ID | | | | |
| SASSAFRAS | 2368 | | Barge | | | | |
| SASSENNEIM | 2454 | | ID | | | | |
| SATARTIA | 4239 | V | Freighter | | 1022 | 505 | |
| SATELLITE | 1012 | | Steam boat | 1887 | | | |
| SATILLA | 687 | | Yacht, steam | 1902 | | | |
| SATSUMA | 2038 | | Freighter | 1901 | | | |
| SATURN | 3043 | | ID | | | | |
| SATURN | 3081 | | ID | | | | |
| SAUCON | 4239 | W | Freighter | | 1022 | 506 | |
| SAUGATUCK | 2965 | | ID | | | | |
| SAUGERTIES | 4239 | X | Freighter | | 1022 | 507 | |
| SAUGUS | 4239 | Y | Freighter | | 1022 | 508 | |
| SAVAGE | 1130 | | SP | | | | |
| SAVANNAH | 3015 | | Freighter | 1899 | | | |
| SAXIS | 615 | | Motor Boat | | | | |
| SAYONA II | 1109 | | Motor Boat | 1907 | | | |
| SAYONARA II | 587 | | Motor Boat | 1916 | | | |
| SCANDINAVIA | 3363 | | Motor Boat | 1916 | | | |
| SCANTIC | 264 | | SP | | | | |
| SCANTIC | 4239 | Z | Freighter | | 1022 | 509 | |
| SCARPE | 713 | | Motor Boat | | | | |
| SCAT | 1112 | | SP | | | | |
| SCHENECTADY | 4239 | AA | Freighter | | 1022 | 511 | |
| SCHENECTADY SOCONY | 4753 | | Tanker | 1924 | | | |
| SCHODACK | 4239 | BB | Freighter | | 1022 | 512 | |
| SCHOHARIE | 4239 | CC | Freighter | | 1022 | 513 | |
| SCHOODIC | 4239 | DD | Freighter | | 1022 | 514 | |
| SCHROEDER AND HORSTMAN | 3612 | | ID | | | | |
| SCHROON | 4239 | EE | Freighter | | 1022 | 515 | |
| SCHUYLKILL BRIDGE | 4418 | I | Freighter | | 1023 | 848 | |
| SCOTER | 20 | | Motor Boat | 1916 | | | |
| SCOTIAN | 885 | | SP | | | | |
| SCOTTSBURG | 4280 | B | Freighter | | 1103 | 2601 | |
| SCOUT | 114 | | Steam boat | 1903 | | | |
| SCOW #5 | 3260 | | Barge | | | | |
| SCOW # 6 | 3262 | | Barge | | | | |
| SCOW #10 | 3261 | | Barge | | | | |
| SCOW #12 | 3259 | | Barge | | | | |
| SCOW #25 | 3258 | | Barge | | | | |
| SCOW #26 | 3257 | | Barge | | | | |
| SCOW #31 | 3256 | | Barge | | | | |
| SCOW BARGE | 2594 | | ID | | | | |
| SCRANTON | 2807 | | ID | | | | |
| SCRANTON | 3511 | | Freighter | 1913 | | | |
| SEA | 4892 | | Trawler | 1919 | | | |
| SEA ARROW [MC-51] | 5006 | . | Freighter | 1940 | | | |
| SEA BIRD | 3092 | | ID | | | | |
| SEA BIRD | 4095 | | ID | | | | |
| SEA BRIGHT | 887 | | SP | | | | |
| SEA DEVIL [MC-42] | 5001 | D | Freighter | 1940 | | | |
| SEA DRAGON [MC-41] | 5001 | C | Freighter | 1940 | | | |
| SEA DUCK | 698 | | SP | | | | |
| SEA EAGLE | 1165 | | SP | | | | |
| SEA FOX [MC-38] | 5001 | . | Freighter | 1940 | | | |
| SEA GATE | 2415 | | Pass, river | 1907 | | | |
| SEA GULL | 223 | | Motor Boat | 1910 | | | |
| SEA GULL | 544 | | Motor Boat | | | | |
| SEA GULL | 831 | | SP | | | | |
| SEA HAWK | 2365 | | Motor Boat | 1917 | | | |
| SEA HOUND [MC-39] | 5001 | A | Freighter | 1940 | | | |
| SEA KING | 3365 | | Tug | 1902 | | | |
| SEA OTTER | 781 | | Motor Boat | 1913 | | | |
| SEA OWL [MC-52] | 5006 | A | Freighter | 1940 | | | |
| SEA PANTHER [MC-40] | 5001 | B | Freighter | 1940 | | | |
| SEA RAVEN [MC-63?] | 5006 | B | Freighter | 1940 | | | |
| SEA ROBIN [MC-64?] | 5006 | C | Freighter | 1940 | | | |
| SEA ROVER | 1014 | | Tug | 1902 | | | |
| SEA STAR [MC-65?] | 5006 | D | Freighter | 1940 | | | |
| SEA SWALLOW [MC-66] | 5006 | E | Freighter | 1940 | | | |
| SEA TAG | 505 | | Motor Boat | 1917 | | | |
| SEA WITCH [MC-22] | 5005 | . | Freighter | 1940 | | | |
| SEA WOLF [MC-43] | 5001 | E | Freighter | 1940 | | | |
| SEA WOLF III | 2099 | | ID | | | | |
| SEABOARD #6 | 3179 | | ID | | | | |
| SEABORN | 4916 | | Yacht | 1925 | | | |
| SEAKAY [MC-3] | 5000 | A | Tanker | 1939 | | | |
| SEAL | 1678 | | ID | | | | |
| SEATTLE SPIRIT | 4193 | | Freighter | | 1013 | 1476 | |
| SECRET | 1063 | | Motor Boat | 1916 | | | |
| SECURITY | 306 | | SP | | | | |
| SEE W. SEE | 740 | | Motor Boat | 1915 | | | |
| SEEKONK | 4239 | FF | Freighter | | 1022 | 522 | |
| SEGUIN | 2722 | | ID | | | | |
| SELMA | 1085 | | SP | | | | |
| SELMA | 4423 | . | Tkr. (conc.) | 1919 | 1100 | 1716 | |
| SELMA CITY | 4642 | | Freighter | 1920 | | | |
| SEMINOLE | 1929 | | Freighter | | 1027 | 742 | |
| SEMINOLE | 4690 | | Coastal P&C | 1925 | | | |
| SEMLOH | 34 | | SP | | | | |
| SENATOR | 1154 | | SP | | | | |
| SENATOR RICE | 2930 | | ID | | | | |
| SENECA | 427 | | Yacht, steam | 1888 | | | |
| SENECA | 1240 | | Barge, special | 1884 | | | |
| SENTINAL | 3149 | | ID | | | | |
| SENTINEL | 180 | | Motor Boat | 1917 | | | |
| SEQUOYAH | 426 | | Fishing | 1905 | | | |
| SEVEN | 727 | | Motor Boat | | | | |
| SEVEN | 3749 | | Barge | 1890 | | | |
| SEVEN BROTHERS #10 | 3128 | | ID | | | | |
| SEVERANCE | 2063 | | Freighter | 1909 | | | |
| SEVERN | 3273 | | ID | | | | |
| SEWICKLY | 4221 | | Frt. (wood) | 1918 | 1001 | 39 | |
| SEYPEN | 3998 | | Frt. (wood) | 1919 | 1001 | 184 | |
| SHAD | 551 | | Motor Boat | 1907 | | | |
| SHADA | 580 | | Motor Boat | 1908 | | | |
| SHADOW III | 102 | | Motor Boat | 1916 | | | |
| SHADOW III | 353 | | SP | | | | |
| SHADY SIDE | 2079 | | Ferry | 1913 | | | |
| SHADYSIDE | 1782 | | ID | | | | |
| SHAMOKIN | 1347 | | SP | | | | |
| SHANNOCK | 4270 | A | Freighter | | 1022 | 527 | |
| SHANNON | 1236 | | Barge, special | 1908 | | | |
| SHARK | 534 | | Motor Boat | 1909 | | | |
| SHARON | 4192 | | Tanker | | Req. | | |
| SHAUME | 4239 | GG | Freighter | | 1022 | 528 | |
| SHAWNEE | 4805 | | Coastal P&C | 1927 | | | |
| SHELDRAKE | 4425 | K | Trawler | | | | |
| SHELIKOF | 442 | | SP | | | | |
| SHELTER ISLAND | 4435 | B | Freighter | | | | |
| SHENANDOAH | 2301 | | ID | | | | |
| SHENANDOAH | 4049 | | Tanker | 1919 | Req. | | |
| SHERMAN | 3345 | | Freighter | 1893 | | | |
| SHETUCKET | 1147 | | SP | | | | |
| SHICKSHINNY | 4270 | . | Freighter | 1919 | 1022 | 537 | |
| SHINNECOCK | 3207 | | ID | | | | |
| SHIRIN | 915 | | Motor Boat | 1896 | | | |
| SHOGUN MARU | 2135 | | ID | | | | |
| SHOOTERS ISLAND | 3932 | | Freighter | 1919 | Req. | | |
| SHOOTING STAR [MC-23] | 5005 | A | Freighter | 1940 | | | |
| SHORTSVILLE | 4213 | I | Freighter | | 1023 | 587 | |
| SHOSHONE | 1760 | | Freighter | 1911 | | | |
| SHOW ME IV | 2664 | | ID | | | | |
| SHREWSBURY | 70 | | Motor Boat | 1910 | | | |
| SHRIMP | 645 | | Motor Boat | | | | |
| SHUICHA | 1017 | | SP | | | | |
| SHUR | 782 | | Motor Boat | 1906 | | | |
| SHUTTLE | 3572 | | Yacht | 1906 | | | |
| SIALIA | 543 | | Yacht, steam | 1914 | | | |
| SIBONEY | 2999 | | Pass & Cgo | 1917 | Req. | | |
| SIDNEY | 3595 | | ID | | | | |
| SIDNEY T. SMITH | 2874 | | ID | | | | |
| SIERRA | 1634 | | Passenger | 1900 | | | |
| SILETZ | 4234 | | Freighter | 1919 | 1013 | 1703 | |
| SILOAM | 1155 | | SP | | | | |
| SILVER HEEL | 825 | | SP | | | | |
| SILVER HEELS | 244 | | SP | | | | |
| SILVER SHELL | 2270 | | Tanker | 1915 | | | |
| SILVER STATE | 4549 | | Pass & Cgo | 1921 | 1029 | 2873 | |
| SILVERADO | 2836 | | Freighter | | Req. | | |
| SILVERBROOK | 3961 | | Tanker | 1919 | Req. | | |
| SIMPLEX | 1084 | | SP | | | | |
| SIMPLICITY | 96 | | Motor Boat | 1906 | | | |
| SINALDOA | 2650 | | ID | | | | |
| SINASTA | 4633 | | Freighter | 1920 | 1015 | 945 | |
| SINBAD III | 716 | | SP | | | | |
| SINCO | 902 | | SP | | | | |
| SINSINAWA | 4253 | N | Freighter | | 1022 | 1484 | |
| SIOUX | 1429 | | SP | | | | |
| SIOUX | 1766 | | Freighter | 1916 | | | |
| SIOUX CITY | 4370 | J | Freighter | | 1074 | 1759 | |
| SIPSEY | 1081 | | SP | | | | |
| SIS | 394 | | SP | | | | |
| SISTER | 822 | | Freight, harbor | 1882 | | | |
| SIWASH | 12 | | Motor Boat | 1916 | | | |
| SIXAOLA | 4524 | | Passenger | 1911 | | | Ex ID-2777 1922 |
| SIXAOLA | 2777 | | Passenger | 1911 | | | To ID-4524 1922 |
| SKINK | 605 | | Motor Boat | 1917 | | | |
| SKIPPACK | 2087 | | ID | | | | |
| SKOW (BOOZ BROTHERS) | 2336 | | ID | | | | |
| SLATINGTON | 515 | | SP | | | | |
| SLIEDRECHT | 2660 | | Freighter | 1905 | | | |
| SMELTER | 2595 | | ID | | | | |
| SNAPPER | 2714 | | Motor Boat | 1906 | | | |
| SNARK | 1291 | | Motor Boat | 1917 | | | |
| SNIPE | 4425 | . | Trawler | | | | |
| SNOWAY | 254 | | SP | | | | |
| SNUG HARBOR | 2241 | | Freighter | | Req. | | |
| SOCONY | 3451 | | ID | | | | |
| SOCONY NO. 4 | 3559 | | ID | | | | |
| SOESTDIJK | 3413 | | Freighter | 1901 | | | |
| SOL NAVIS | 4031 | A | Pass & Cgo | 1919 | Req. | | |
| SOLANA | 4656 | | Tanker | 1920 | | | |
| SOLICITOR | 1861 | | ID | | | | |
| SOLITAIRE | 3026 | | Barge, sea | 1879 | | | |
| SOLITAIRE | 4343 | | Tanker | 1920 | Req. | | |
| SOMERSET | 1917 | | ID | | | | |
| SOMERSET | 2162 | | Motor Boat | 1917 | | | |
| SOMME (USAT) | 4491 | I | Pass & Cgo | | 1024 | 674 | |
| SONNY BILL II | 19 | | SP | | | | |
| SONNY BOY | 1060 | | SP | | | | |
| SONOMA | 1632 | | ID | | | | |
| SOUTH BEND | 1905 | | ID | | | | |
| SOUTH BEND | 4019 | | Pass & Cgo | 1919 | Req. | | |
| SOUTH POLE | 3665 | | Refrig Cgo | 1918 | Req. | | |
| SOUTH SHORE | 1426 | | SP | | | | |
| SOUTH WIND | 300 | | SP | | | | |
| SOUTHERN | 2251 | | ID | | | | |
| SOUTHERN | 2865 | | ID | | | | |
| SOUTHERN CROSS | 4476 | F | Pass & Cgo | | 1029 | 1013 | |
| SOVEREIGN | 170 | | Yacht, steam | 1911 | | | |
| SOYA | 720 | | SP | | | | |
| SPARROW II | 3231 | | Motor Boat | 1915 | | | |
| SPARTAN | 336 | | Tug | 1912 | | | |
| SPEEDWAY | 407 | | Motor Boat | | | | |
| SPEEJACKS | 917 | | SP | | | | |
| SPIT FIRE | 1057 | | SP | | | | |
| SPOKANE | 1327 | | ID | | | | |
| SPRAY | 2491 | | Trawler | 1905 | | | |
| SPRAY II | 308 | | Motor Boat | 1911 | | | |
| SPRINGFIELD | 2575 | | Pass, river | 1901 | | | |
| SPRINGFIELD | 4419 | A | Freighter | | 1019 | 993 | |
| SQUARE DEALER | 1735 | | Barge, NY | | | | |
| SQUIRREL | 881 | | SP | | | | |
| ST. ANTHONY | 4422 | . | Freighter | 1919 | 1014 | 2632 | |
| ST. JOHNS | 3710 | | Pass, coast. | 1878 | | | |
| ST. MARY'S | 1457 | | Motor Boat | 1912 | | | |
| ST. MIHIEL (USAT) | 4491 | G | Pass & Cgo | | 1024 | 672 | |
| ST. PAUL | 1629 | | ID | | | | |
| ST. PAUL | 1643 | | Passenger | 1895 | | | |
| ST. SEBASTIAN | 470 | | Motor Boat | | | | |
| STAG HOUND [MC-27] | 4997 | E | Freighter | 1939 | | | |
| STANDARD | 886 | | SP | | | | |
| STANDARD | 1110 | | SP | | | | |
| STANDARD | 2130 | | ID | | | | |
| STANDARD ARROW | 1532 | | Tanker | 1916 | | | |
| STANDARD II | 836 | | SP | | | | |
| STANHOPE | 3068 | | ID | | | | |
| STANLEY | 4037 | A | Freighter | | | | Error for ID 4203-F |
| STANLEY | 4203 | F | Freighter | | 1105 | 1935 | ID 4037-A and 4468-A both errors |
| STANLEY DOLLAR | 3480 | | ID | | | | |
| STANLY | 2735 | | ID | | | | |
| STAR #1 | 1351 | | Trawler | 1912 | | | |
| STAR #2 | 1350 | | SP | | | | |
| STAR #3 | 1349 | | SP | | | | |
| STARLING | 2981 | | Trawler | 1917 | | | |
| STARLITE | 1777 | | ID | | | | |
| STARR | 1353 | | ID | | | | |
| STATEN ISLAND | 4435 | C | Freighter | | Req. | | |
| STEADFAST | 4006 | | Freighter | 1919 | 1032 | 1223 | |
| STEAM LIGHTER | 986 | | SP | | | | |
| STEEL AGE | 4426 | A | Freighter | | | | |
| STEEL ENGINEER | 4606 | | Freighter | 1920 | | | |
| STEEL EXPORTER | 4589 | | Freighter | 1919 | | | |
| STEEL INVENTOR | 4593 | | Freighter | 1920 | | | |
| STEEL MAKER | 4426 | . | Freighter | 1919 | | | |
| STEEL MARINER | 4662 | | Freighter | 1918 | | | |
| STEEL NAVIGATOR | 4683 | | Freighter | 1921 | | | |
| STEEL RANGER | 4602 | | Freighter | 1920 | | | |
| STEEL SCIENTIST | 4596 | | Freighter | 1920 | | | |
| STEEL SEAFARER | 4590 | | Freighter | 1921 | | | |
| STEEL TRADER | 4755 | | Freighter | 1920 | | | |
| STEEL TRAVELER | 4678 | | Freighter | 1922 | | | |
| STEEL VOYAGER | 4426 | B | Freighter | | | | |
| STEEL WORKER | 4615 | | Freighter | 1920 | | | |
| STEELORE | 4737 | | Ore Carrier | 1922 | | | |
| STELLA F. MURPHY | 1774 | | Barge, NY | | | | |
| STEPHEN C. | 3648 | | ID | | | | |
| STEPHEN R. JONES | 4526 | . | Collier | 1915 | | | |
| STEPHEN W. MCKEEVER JR. | 1169 | | Menhaden | 1911 | | | |
| STERLING | 837 | | SP | | | | |
| STERLING | 1185 | | Barge | 1910 | | | |
| STEVANA | 4914 | | Yacht | 1930 | | | |
| STINGER | 1252 | | Steam boat | 1917 | | | |
| STOCKTON | 4728 | | Tanker | 1920 | 1041 | 2229 | |
| STONY CREEK | 2509 | | ID | | | | |
| STORM KING | 1065 | | SP | | | | |
| STORM KING | 4437 | A | Freighter | | 1025 | 2834 | |
| STRANGER | 99 | | SP | | | | |
| STRATHNAVER | 4139 | | Freighter | 1919 | 1017 | 221 | |
| STURDY | 82 | | Motor Boat | 1905 | | | |
| SUBOATCO | 4371 | A | Freighter | | 1023 | 854 | |
| SUBOLDC | 4371 | E | Freighter | | | | |
| SUCCESS | 2912 | | Barge | 1909 | | | |
| SUCCESS | 3107 | | ID | | | | |
| SUCROSA | 1856 | | ID | | | | |
| SUDAWSONCO | 4371 | N | Freighter | | 1023 | 868 | |
| SUDBURY | 2149 | | Freighter | 1918 | Req. | | |
| SUDERCO | 4371 | G | Freighter | | | | |
| SUDUFFCO | 4371 | O | Freighter | | 1023 | 867 | |
| SUEDCO | 4371 | F | Freighter | | 1023 | 855 | |
| SUELCO | 4371 | J | Freighter | | 1023 | 862 | |
| SUFFOLK | 1981 | | ID | | | | |
| SUFFOLK | 2146 | | ID | | | | |
| SUGILLENCO | 4371 | U | Freighter | | 1023 | 880 | |
| SUIS MOT II | 1029 | | SP | | | | |
| SUJAMECO | 4371 | V | Freighter | | 1023 | 875 | |
| SUJERSEYCO | 4371 | X | Freighter | | 1023 | 881 | |
| SULANIERCO | 4371 | Z | Freighter | | 1023 | 872 | |
| SULLIVAN | 2333 | | ID | | | | |
| SULTANA | 134 | | Yacht, steam | 1889 | | | |
| SUMANCO | 4371 | M | Freighter | | 1023 | 869 | |
| SUMIYOSHI MARU NO.10 | 1511 | | ID | | | | |
| SUMMERLEAF | 4381 | B | Freighter | | Req. | | |
| SUN | 1570 | | ID | | | | |
| SUN | 3663 | | ID | | | | |
| SUN | 4860 | | Tanker | 1928 | | | |
| SUNBEAM | 4233 | A | Tanker | | Req. | | |
| SUNBEAM II | 42 | | Motor Boat | | | | |
| SUNBEAM III | 251 | | Motor Boat | 1917 | | | |
| SUNDANCE | 4253 | O | Freighter | | 1022 | 1500 | |
| SUNELSECO | 4371 | D | Freighter | | 1023 | 856 | |
| SUNEWARKCO | 4371 | Q | Freighter | | 1023 | 878 | |
| SUNEWCO | 4371 | K | Freighter | | 1023 | 863 | |
| SUNLITE | 1657 | | ID | | | | |
| SUNOCO | 4844 | | Tanker | 1926 | | | |
| SUNOIL | 1679 | | ID | | | | |
| SUNOIL | 4828 | | Tanker | 1927 | | | |
| SUNSET | 3646 | | ID | | | | |
| SUNSHINE | 883 | | SP | | | | |
| SUNSHINE | 4233 | . | Tanker | 1919 | Req. | | |
| SUNUGENTCO | 4371 | Y | Freighter | | 1023 | 879 | |
| SUNUYOSHI MARU #242 | 1522 | | ID | | | | |
| SUPERIOR | 3240 | | Barge, special | 1902 | | | |
| SUPORTCO | 4371 | C | Freighter | | 1023 | 857 | |
| SURAILCO | 4371 | L | Freighter | | 1023 | 861 | |
| SUREMICO | 4371 | S | Freighter | | 1023 | 873 | |
| SURF | 341 | | Trawler | 1911 | | | |
| SURF | 518 | | Yacht, steam | 1898 | | | |
| SURGE | 894 | | SP | | | | |
| SURICHCO | 4371 | AA | Freighter | | 1023 | 871 | |
| SURICO | 4371 | I | Freighter | | 1023 | 866 | |
| SURINAME | 2198 | | ID | | | | |
| SURLEY ELLEN | 2790 | | Motor Boat | 1915 | | | |
| SURPASS | 884 | | SP | | | | |
| SURPRISE | 3740 | | Barge, special | 1902 | | | |
| SURPRISE [MC-24] | 5005 | B | Freighter | 1940 | | | |
| SUSANA | 4458 | | Freighter | 1897 | | | |
| SUSANNE | 411 | | Motor Boat | 1916 | | | |
| SUSANNE | 832 | | SP | | | | |
| SUSCOLANCO | 4371 | BB | Freighter | | 1023 | 874 | |
| SUSHERICO | 4371 | P | Freighter | | 1023 | 870 | |
| SUSPEARCO | 4371 | R | Freighter | | 1023 | 882 | |
| SUSQUEHANNA | 3016 | | Passenger | 1899 | | | |
| SUSSEX | 685 | | Fishing | 1913 | | | |
| SUTERMCO | 4881 | | Freighter | 1920 | 1023 | 860 | Later ADMIRAL DAY |
| SUTHERLAND | 2761 | | Freighter | | Req. | | |
| SUTORPCO | 4371 | H | Freighter | | 1023 | 864 | |
| SUTRANSCO | 4371 | B | Freighter | | 1023 | 859 | |
| SUWANEE | 1320 | | Freighter | 1913 | | | |
| SUWARINCO | 4371 | T | Freighter | | 1023 | 877 | |
| SUWIED | 4434 | N | Freighter | | 1023 | 841 | |
| SUWORDENCO | 4371 | W | Freighter | | 1023 | 876 | |
| SUZANNE | 510 | | Motor Boat | 1908 | | | |
| SWALLOW | 1111 | | SP | | | | |
| SWAN | 1437 | | Motor Boat | | | | |
| SWANSBORO | 2684 | | Barge | | | | |
| SWATARA | 888 | | SP | | | | |
| SWEEPSTAKES [MC-25] | 5005 | C | Freighter | 1940 | | | |
| SWELL | 1705 | | ID | | | | |
| SWIFT SURF | 1152 | | SP | | | | |
| SWIFTARROW | 4829 | | Tanker | 1921 | 0 | 2866 | |
| SWIFTEAGLE | 4774 | | Tanker | 1921 | 0 | 2869 | |
| SWIFTLIGHT | 4818 | | Tanker | 1921 | 0 | 2870 | |
| SWIFTSCOUT | 4773 | | Tanker | 1921 | 0 | 2868 | |
| SWIFTSTAR | 4483 | | Tanker | 1921 | 0 | 2867 | |
| SWIFTSURE | 4775 | | Tanker | 1921 | 0 | 2865 | |
| SWIFTWIND | 4826 | | Tanker | 1921 | 0 | 2871 | |
| SYBILLA III | 104 | | Motor Boat | 1915 | | | |
| SYCSSET | 1660 | | ID | | | | |
| SYLVAN ARROW | 2150 | | Tanker | 1917 | Req. | | |
| SYLVIA | 471 | | Motor Boat | | | | |
| SYRACUSE SOCONY | 4750 | | Tanker | 1920 | | | |
| SYROS | 4436 | F | Freighter | | 1037 | 1453 | |
| T. C. HURST | 795 | | SP | | | | |
| T. C. LUTZ | 2933 | | ID | | | | |
| T. J. WILLIAMS | 4699 | | Tanker | 1921 | | | |
| T. R. #38 | 3337 | | ID | | | | |
| TACONITE | 190 | | SP | | | | |
| TACONY | 5 | | Motor Boat | 1899 | | | |
| TACONY | 1168 | | SP | | | | |
| TACONY | 2108 | | ID | | | | |
| TAGUS | 4264 | | Tug, large | | 1035 | 1349 | |
| TAKANA | 3039 | | Tug | 1915 | | | |
| TAKARA MARU | 1519 | | ID | | | | |
| TAKU (ORMES) | 4994 | | Coastal Cgo | 1920 | | | |
| TALALAH | 1433 | | SP | | | | |
| TALAMANCA | 4876 | A | Pass & Cgo | 1931 | | | |
| TALOFA | 1016 | | Yacht, steam | 1910 | | | |
| TAMALVA | 4253 | FFF | Freighter | | | | |
| TAMAQUA | 906 | | SP | | | | |
| TAMARACK | 561 | | Motor Boat | 1915 | | | |
| TAMARIT | 115 | | SP | | | | |
| TAMIAHUA | 4691 | | Tanker | 1921 | | | |
| TAMPA | 4758 | | Freighter | 1920 | 1027 | 741 | |
| TAMPICO | 2312 | | ID | | | | |
| TANAMO | 2176 | | Freighter | 1914 | | | |
| TANGIER | 469 | | Motor Boat | | | | |
| TANGINAK | 1482 | | Whaler | | | | |
| TANGO | 809 | | Motor Boat | 1914 | | | |
| TANGO | 1712 | | Motor Boat | 1913 | | | |
| TANGUINGUI | 126 | | Motor Boat | 1915 | | | |
| TANIWHA | 129 | | Motor Boat | 1909 | | | |
| TANKA | 3959 | | Frt. (wood) | 1919 | 1001 | 182 | |
| TARANTULA | 124 | | Yacht, motor | 1912 | | | |
| TAROLINTA | 997 | | SP | | | | |
| TARPON | 3144 | | ID | | | | |
| TARRAGON | 1337 | | SP | | | | |
| TARTAR | 3990 | | Tug (wood) | 1919 | 1055 | 1230 | |
| TASCO | 502 | | Salvage | 1907 | | | |
| TASHMOO | 4434 | O | Freighter | | 1023 | 832 | |
| TATOOSE | 1752 | | ID | | | | |
| TAVERNILLA | 3000 | | Tug | 1915 | | | |
| TEAL | 4425 | L | Trawler | | | | |
| TEASER | 933 | | Motor Boat | 1916 | | | |
| TEC | 17 | | SP | | | | |
| TECH III | 1055 | | Motor Boat | 1916 | | | |
| TECH JR. | 1761 | | Motor Boat | 1912 | | | |
| TEDDY H. | 2798 | | ID | | | | |
| TELAQUIN | 3333 | | ID | | | | |
| TEMPEST | 2911 | | ID | | | | |
| TENAFLY | 4414 | . | Freighter | 1919 | 1063 | 1294 | |
| TENJIN MARU #128 | 1526 | | Fishing | 1913 | | | |
| TENJIN MARU #182 | 1527 | | ID | | | | |
| TENJIN MARU #206 | 1521 | | ID | | | | |
| TENNESSEE | 2913 | | ID | | | | |
| TERESA | 4478 | | Freighter | 1900 | | | |
| TERESA MCCAREY | 1973 | | ID | | | | |
| TERN | 871 | | Motor Boat | 1907 | | | |
| TERN | 4425 | M | Trawler | | | | |
| TERNATE | 2697 | | Freighter | 1907 | | | |
| TERRE HAUTE | 4381 | A | Freighter | | Req. | | |
| TERRIER | 960 | | Motor Boat | | | | |
| TEUTONIC | 1784 | | Barge, NY | | | | |
| TEXAN | 1354 | | Freighter | 1902 | | | |
| TEXARKANA | 4286 | . | Freighter | 1919 | Req. | | |
| TEXAS | 725 | | SP | | | | |
| TEXAS | 2828 | | ID | | | | |
| TEXAS | 4539 | | Tanker | 1916 | | | |
| TEXAS SUN | 4917 | | Tanker | 1937 | | | |
| TEXEL | 2500 | | Freighter | 1913 | | | |
| THE ANGELES | 4442 | | Freighter | 1919 | 1013 | 1404 | |
| THE CONSOLIDATION COAL CO. NO. 23 | 1902 | | ID | | | | |
| THE EARL | 1867 | | ID | | | | |
| THE FLEISCHMANN | 1943 | | Barge, NY | | | | |
| THE LAMBS | 3954 | | Freighter | 1919 | 1037 | 960 | |
| THE LIMIT | 3210 | | ID | | | | |
| THE MOOSE | 2823 | | ID | | | | |
| THE RYAN ELEVATOR CO. | 1974 | | ID | | | | |
| THELASSA | 480 | | SP | | | | |
| THEMISTO | 2469 | | ID | | | | |
| THENDARA | 74 | | SP | | | | |
| THEODORE | 3670 | | ID | | | | |
| THEODORE ROOSEVELT | 1478 | | Pass, lake | 1906 | | | |
| THEREA O'BOYLE | 3108 | | ID | | | | |
| THERMO | 4849 | | Tanker | 1920 | | | |
| THETIS | 391 | | Yacht, steam | 1901 | | | |
| THISTLE | 1058 | | Motor Boat | 1907 | | | |
| THOMAS H. WHEELER | 4698 | | Tanker | 1921 | | | |
| THOMAS HASSETT | 3178 | | ID | | | | |
| THOMAS J. SCULLY | 1082 | | SP | | | | |
| THOMAS MCELROY | 2447 | | ID | | | | |
| THOMAS MONK | 1780 | | Barge, NY | | | | |
| THOMAS O'BRIEN | 3653 | | ID | | | | |
| THOMAS P. BEAL | 4580 | | Freighter | 1920 | | | |
| THOMAS P. STRAN | 2406 | | ID | | | | |
| THOMAS PALMER | 2715 | | ID | | | | |
| THOMAS V. PATTERSON | 1894 | | Barge, NY | | | | |
| THREE BROTHERS | 1797 | | Barge, NY | | | | |
| THUBAN | 2893 | | ID | | | | |
| TICONDEROGA | 1958 | | Freighter | 1914 | | | |
| TIDE | 953 | | Trawler | 1916 | | | |
| TIDE WATER | 4859 | . | Tanker | 1930 | | | |
| TIDE WATER ASSOCIATED | 4859 | A | Tanker | 1930 | | | |
| TIGER | 1640 | | Freighter | 1917 | | | |
| TILLAMOOK | 269 | | Motor Boat | 1911 | | | |
| TILLAMOOK | 3707 | | Frt. (wood) | 1918 | 1001 | 1358 | |
| TINICUM | 1113 | | Freight, harbor | 1905 | | | |
| TIOGA | 2460 | | ID | | | | |
| TIOGA | 2785 | | ID | | | | |
| TIPPECANOE | 2141 | | ID | | | | |
| TIPTON | 3714 | | Freighter | 1918 | Req. | | |
| TITAN | 3175 | | ID | | | | |
| TITANIA | 950 | | SP | | | | |
| TIVIVES | 4521 | | Freighter | 1911 | | | |
| TJISONDARI | 2783 | | Freighter | 1915 | | | |
| TOBERMORY | 697 | | SP | | | | |
| TOHICKON | 2151 | | ID | | | | |
| TOLEDO | 1281 | | ID | | | | |
| TOLEDO | 3091 | | ID | | | | |
| TOLEDO BRIDGE | 4434 | P | Freighter | | 1023 | 827 | |
| TOLLARD | 4024 | . | Freighter | 1918 | 1016 | 372 | |
| TOLOA | 4878 | . | Pass & Cgo | 1918 | | | |
| TOLOSA | 4419 | B | Freighter | | 1019 | 994 | |
| TONA | 4434 | Q | Freighter | | 1023 | 834 | |
| TONISET | 4393 | | Freighter | 1919 | 1023 | 833 | |
| TOPA TOPA | 4384 | | Freighter | 1920 | 1013 | 1409 | |
| TOPILA | 3001 | | Tanker | 1913 | | | |
| TORBATROSS | 722 | | SP | | | | |
| TORRENT | 2696 | | ID | | | | |
| TORRES | 1552 | | ID | | | | |
| TOTEM | 777 | | SP | | | | |
| TOURIST | 3080 | | ID | | | | |
| TOURS (USAT) | 4491 | J | Pass & Cgo | | 1024 | 679 | |
| TOWANDA | 2445 | | ID | | | | |
| TOXAWAY | 743 | | Motor Boat | 1917 | | | |
| TRAMP | 547 | | SP | | | | |
| TRAMP | 646 | | Steam boat | 1901 | | | |
| TRANSFER #1 | 1462 | | SP | | | | |
| TRANSFER #10 | 1387 | | ID | | | | |
| TRANSFER #18 | 1313 | | ID | | | | |
| TRANSFER #21 | 905 | | SP | | | | |
| TRANSFER #9 | 903 | | SP | | | | |
| TRANSIT | 1381 | | ID | | | | |
| TRANSORTATION | 1647 | | ID | | | | |
| TRAVELER | 122 | | Motor Boat | 1914 | | | |
| TRAVELER | 1911 | | ID | | | | |
| TRAWLER #16 | 3351 | | ID | | | | |
| TRAWLER #17 | 3318 | | ID | | | | |
| TRAWLER #18 | 3323 | | ID | | | | |
| TRAWLER #19 | 3350 | | ID | | | | |
| TRAWLER #20 | 3360 | | ID | | | | |
| TRAWLER #37 | 3402 | | ID | | | | |
| TREMLEY TRANSPORTATION CO. NO. 6 | 1931 | | ID | | | | |
| TRENTON | 2122 | | ID | | | | |
| TRIANGLE | 77 | | SP | | | | |
| TRILBY | 673 | | Motor Boat | | | | |
| TRILLORA | 445 | | SP | | | | |
| TRILLORA II | 607 | | SP | | | | |
| TRIMOUNT | 4926 | | Trawler | 1928 | | | |
| TRIMOUNTAIN | 4363 | D | Tanker | | 1045 | 1672 | |
| TRINGS | 297 | | SP | | | | |
| TRINIDADIAN | 1595 | | ID | | | | |
| TRIPP | 4172 | | Freighter | | 1013 | 1418 | |
| TRITON | 2467 | | ID | | | | |
| TRITON | 3312 | | Tug | 1889 | | | |
| TRIUMPH | 3766 | | Freighter | 1918 | Req. | | |
| TRIUNE | 1636 | | Motor Boat | | | | |
| TROJAN | 1979 | | ID | | | | |
| TRONTOLITE | 2450 | | Tanker | | Req. | | |
| TROUBADOUR | 11 | | SP | | | | |
| TROY | 1614 | | Passenger | 1904 | | | |
| TROY SOCONY | 4746 | | Tanker | 1923 | | | |
| TUCKAHOE | 2878 | | Collier | 1918 | Req. | | |
| TUCKANUCK | 4097 | | Freighter | 1919 | 1015 | 1018 | |
| TUG #45 | 3067 | | ID | | | | |
| TUG #46 | 3042 | | ID | | | | |
| TUG #47 | 3124 | | ID | | | | |
| TUG #48 | 3062 | | ID | | | | |
| TUG GERMANTOWN | 816 | | SP | | | | |
| TULADI | 4434 | S | Freighter | | 1023 | 836 | |
| TULSA | 4239 | HH | Freighter | | 1022 | 539 | |
| TUNA | 664 | | Motor Boat | 1911 | | | |
| TUNICA | 2066 | | ID | | | | |
| TURRIALBA | 1447 | | ID | | | | |
| TUSCALOOSA CITY | 4652 | | Freighter | 1920 | | | |
| TUSCAN | 1622 | | ID | | | | |
| TUSTEM | 4568 | A | Tanker | | 1041 | 2863 | |
| TUWETANKA | 3441 | B | Frt. (comp.) | | 1010 | 68 | |
| TYEE | 3509 | | Frt. (wood) | | 1001 | 380 | |
| TYPEE | 1366 | | ID | | | | |
| ULANA | 280 | | SP | | | | |
| ULUA | 4878 | A | Pass & Cgo | 1917 | | | |
| UMATILLA | 1508 | | ID | | | | |
| UMATILLA | 3763 | B | Frt. (wood) | | 1001 | 17 | |
| UNCAS | 689 | | Motor Boat | 1917 | | | |
| UNCLE SAM | 2924 | | ID | | | | |
| UNCLE SAM | 3375 | | ID | | | | |
| UNDAUNTED | 1950 | | Tug | 1917 | | | |
| UNDERWRITER | 1306 | | ID | | | | |
| UNDERWRITER | 1390 | | Tug | 1881 | | | |
| UNDINE | 653 | | SP | | | | |
| UNICOI | 4484 | | Freighter | 1920 | 1027 | 743 | |
| UNION | 2632 | | ID | | | | |
| UNION LIBERTY | 4479 | | Freighter | 1920 | 1099 | 1843 | |
| UNITED STATES | 2349 | | ID | | | | |
| UNITED STATES | 3682 | | Barge | 1916 | | | |
| UPTON | 1451 | | ID | | | | |
| URANUS | 2641 | | ID | | | | |
| URSULA | 2358 | | ID | | | | |
| USN BARGE (CONCRETE) #443 | 3764 | | Barge | 1918 | | | |
| USONA | 290 | | SP | | | | |
| USONA | 404 | | SP | | | | |
| UTICA | 2685 | | ID | | | | |
| UTOKA | 4240 | | Frt. (wood) | 1919 | 1001 | 346 | |
| UTOPIA | 302 | | SP | | | | |
| UTOWANA | 951 | | Trawler | 1891 | | | |
| VABA | 4253 | GGG | Freighter | | 1022 | 1540 | |
| VACUUM | 4501 | | Tanker | 1920 | | | |
| VALDEZ | 1399 | | ID | | | | |
| VALEDA | 592 | | Motor Boat | 1908 | | | |
| VALERIE | 2838 | | ID | | | | |
| VALIANT | 535 | | Sail, aux. | 1896 | | | |
| VALLEY FORGE | 1023 | | SP | | | | |
| VALORIA | 932 | | SP | | | | |
| VANADIS | 320 | | SP | | | | |
| VATERLAND | 1326 | | Passenger | 1913 | | | |
| VAUD J. | 3361 | | Motor Boat | 1907 | | | |
| VEDETTE | 163 | | Yacht, steam | 1900 | | | |
| VEDETTE | 4911 | | Yacht | 1924 | | | |
| VEEDOL | 4769 | | Coastal Tkr | 1920 | | | |
| VEENDIJK | 2515 | | Freighter | 1914 | | | |
| VEERHAVEN | 2539 | | ID | | | | |
| VELOCIPEDE | 1258 | | Motor Boat | 1917 | | | |
| VELOCITY | 446 | | SP | | | | |
| VENCEDOR | 669 | | Motor Boat | 1909 | | | |
| VENETIA | 431 | | Yacht, steam | 1904 | | | |
| VENEZUELA | 1819 | | Passenger | 1915 | | | |
| VENITIAN MAID | 188 | | SP | | | | |
| VENTURA | 1587 | | ID | | | | |
| VENTURE | 616 | | Motor Boat | 1907 | | | |
| VENTURE | 910 | | SP | | | | |
| VERAGUA | 4876 | B | Pass & Cgo | 1932 | | | |
| VERDI | 979 | | Motor Boat | 1909 | | | |
| VERGANA | 519 | | Yacht, steam | 1897 | | | |
| VERMONT | 2850 | | ID | | | | |
| VERNA & ESTHER | 1187 | | Motor Boat | 1912 | | | |
| VESTA | 606 | | SP | | | | |
| VESTA | 1466 | | SP | | | | |
| VESTA | 2506 | | Freighter | 1907 | | | |
| VESTA | 4760 | | Tanker | 1913 | | | |
| VESTER | 686 | | Menhaden | 1876 | | | |
| VICTOR | 1995 | | Motor Boat | 1917 | | | |
| VICTOR | 2492 | | ID | | | | |
| VICTOR H. KELLY | 4990 | A | Tanker | 1940 | | | |
| VICTORIA | 1493 | | ID | | | | |
| VICTORIA | 4982 | A | Trawler | 1937 | | | |
| VICTORIOUS | 3514 | | Freighter | 1918 | Req. | | |
| VICTORY | 4548 | | ID | | | | |
| VIDOFNER | 402 | | Motor Boat | 1906 | | | |
| VIDOFNER II | 821 | | SP | | | | |
| VIETTA | 778 | | SP | | | | |
| VIGILANT | 406 | | Motor Boat | 1916 | | | |
| VIGILANT | 2004 | | ID | | | | |
| VIGO | 2042 | | ID | | | | |
| VIKING | 618 | | Yacht, steam | 1909 | | | |
| VIKING | 3314 | | Motor Boat | 1915 | | | |
| VINCENNES BRIDGE | 4434 | R | Freighter | | 1023 | 829 | |
| VINCENT | 3246 | | Freighter | 1909 | 1037 | 1433 | |
| VINCENT | 4403 | | Freighter | 1919 | | | |
| VINITA | 4454 | A | Freighter | | 1019 | 2078 | |
| VINTON COUNTY | 4554 | J | Freighter | | 1099 | 1796 | |
| VIOLET | 2395 | | Barge | | | | |
| VIRGINIA | 274 | | Motor Boat | 1910 | | | |
| VIRGINIA | 334 | | SP | | | | |
| VIRGINIA | 746 | | Motor Boat | 1906 | | | |
| VIRGINIA | 1564 | | ID | | | | |
| VIRGINIA | 1965 | | Sail, aux. | 1902 | | | |
| VIRGINIA | 2021 | | ID | | | | |
| VIRGINIA E. | 3117 | | ID | | | | |
| VIRGINIA SINCLAIR | 4861 | | Tanker | 1930 | | | |
| VIRGINIAN | 3920 | | Freighter | 1903 | | | |
| VISHMAHA | 4271 | C | Freighter | | | | |
| VISION | 744 | | Motor Boat | 1908 | | | |
| VISION | 1114 | | Motor Boat | 1910 | | | |
| VISITOR | 2266 | | Tug | 1883 | | | |
| VITA II | 1193 | | SP | | | | |
| VITESSE | 1192 | | Motor Boat | 1917 | | | |
| VITTORIO EMANUELLE III | 3095 | | Freighter | 1918 | Req. | | |
| VIVA | 3432 | | ID | | | | |
| VIVACE | 583 | | Steam boat | | | | |
| VIVO | 2599 | | ID | | | | |
| VIXEN | 68 | | Yacht, steam | 1913 | | | |
| VIXEN | 3482 | | ID | | | | |
| VOILET | 477 | | SP | | | | |
| VOLUNTEER | 207 | | Water boat | 1906 | | | |
| VOLUNTEER | 3242 | | Freighter | 1918 | 1057 | 1220 | |
| VON STEUBEN | 3017 | | Passenger | 1901 | | | |
| VOYAGER | 361 | | Motor Boat | | | | |
| VULCAN | 2756 | | ID | | | | |
| W. A. BISSO | 227 | | SP | | | | |
| W. B. JOHNSON | 3658 | | ID | | | | |
| W. B. KEENE | 1117 | | SP | | | | |
| W. C. TEAGLE | 1548 | | ID | | | | |
| W. D. DITTMAR | 1719 | | ID | | | | |
| W. E. HUTTON | 4796 | | Tanker | 1920 | | | |
| W. F. BABCOCK | 1239 | | Barge, sea | 1882 | | | |
| W. F. BASCOM | 2010 | | Barge, NY | | | | |
| W. F. BURDELL | 4797 | | Tanker | 1919 | | | |
| W. F. DALZELL | 3469 | | ID | | | | |
| W. F. MARTY | 1145 | | Motor Boat | 1917 | | | |
| W. G. MASON | 2940 | | ID | | | | |
| W. H. BALDWIN | 2879 | | ID | | | | |
| W. H. BERG | 4946 | | Tanker | 1937 | | | |
| W. H. E. BEAVENDER | 3118 | | ID | | | | |
| W. H. LIBBY | 4696 | | Tanker | 1920 | | | |
| W. H. MEYER | 2757 | | ID | | | | |
| W. H. MITCHILL | 2634 | | ID | | | | |
| W. H. SAWYER | 2818 | | ID | | | | |
| W. H. TILFORD | 2188 | | Tanker | | Req. | | |
| W. J. DAILEY | 2359 | | ID | | | | |
| W. J. HANNA | 4705 | | Tanker | 1920 | | | |
| W. J. OLCOTT | 2322 | | ID | | | | |
| W. J. RANKIN | 2705 | | ID | | | | |
| W. L. MESSICK | 322 | | Menhaden | 1911 | | | |
| W. L. SMITH | 3629 | | ID | | | | |
| W. L. STEED | 3449 | | Tanker | 1918 | Req. | | |
| W. M. BURTON | 2949 | | Tanker | | Req. | | |
| W. M. IRISH | 2690 | | Tanker | | Req. | | |
| W. M. TUPPER | 2433 | | ID | | | | |
| W. S. ALDEN | 3640 | | ID | | | | |
| W. S. MILLER | 4562 | | Tanker | 1920 | | | |
| W. S. PORTER | 2219 | | ID | | | | |
| W. S. RHEEM | 4574 | B | Tanker | | Req. | | |
| W. S. RHEEMS | 3263 | | ID | | | | |
| W. T. C. #2 | 3173 | | ID | | | | |
| W. T. JAMES | 429 | | Fishing | 1912 | | | |
| W. W. BROWN | 2626 | | ID | | | | |
| W. W. MILLS | 4798 | | Tanker | 1921 | | | |
| WAALHAVEN | 2479 | | ID | | | | |
| WABAN | 2355 | | ID | | | | |
| WABAN | 4271 | D | Freighter | | 1015 | 1065 | |
| WABASH | 1824 | | Freighter | 1900 | | | |
| WACHUSETT | 1840 | | Freighter | 1896 | | | |
| WACHUSETT | 2786 | | ID | | | | |
| WACHUSETTS | 548 | | Fishing | | | | |
| WACO | 4232 | G | Freighter | | 1023 | 795 | |
| WACONDAH | 238 | | Yacht, steam | 1901 | | | |
| WACOSTA | 4296 | T | Freighter | | 1025 | 632 | |
| WACOUTA | 1710 | | ID | | | | |
| WADENA | 158 | | Yacht, steam | 1891 | | | |
| WAHKIAKUM | 3358 | . | Frt. (wood) | | 1001 | 474 | |
| WAH-TA-WAH | 150 | | SP | | | | |
| WAIALEALE | 4847 | | Pass & Cgo | 1928 | | | |
| WAKAN | 3525 | | Frt. (wood) | | 1003 | 258 | |
| WAKANNA | 3784 | | Frt. (wood) | 1918 | 1001 | 479 | |
| WAKIKI | 3904 | | Frt. (wood) | 1918 | 1001 | 1458 | |
| WAKIVA | 160 | | Yacht, steam | 1907 | | | |
| WAKULLA | 3147 | | Freighter | 1918 | 1013 | 28 | |
| WALDEN | 4336 | | Freighter | 1919 | 1025 | 762 | |
| WALLACE E. PRATT | 4899 | | Tanker | 1937 | | | |
| WALLINGFORD | 3942 | | Freighter | | 1097 | 2515 | |
| WALLKILL | 4213 | K | Freighter | | 1023 | 593 | |
| WALLOWA | 3562 | | ID | | | | |
| WALLULA | 1171 | | SP | | | | |
| WALRUS | 1268 | | ID | | | | |
| WALTER A. LUCKENBACH | 3171 | | Freighter | 1918 | Req. | | |
| WALTER ADAMS | 400 | | Menhaden | 1890 | | | |
| WALTER D. MUNSON | 1510 | | Freighter | 1917 | Req. | | |
| WALTER D. NOYES | 4527 | | Freighter | 1914 | | | |
| WALTER F. MATTICK | 2636 | | ID | | | | |
| WALTER HARDCASTLE | 2464 | | Tanker | 1912 | | | |
| WALTER JENNINGS | 4724 | | Tanker | 1921 | | | |
| WALTER TRACY | 3376 | | ID | | | | |
| WALTHAM | 1119 | | Tug | 1898 | | | |
| WANA | 819 | | SP | | | | |
| WANCONDA | 4244 | . | Freighter | 1919 | | | |
| WANDA II | 1115 | | SP | | | | |
| WANDENA | 354 | | Motor Boat | 1913 | | | |
| WANDERER | 132 | | Yacht, steam | 1897 | | | |
| WANDERER | 2440 | | Motor Boat | | | | |
| WANDERLUST | 923 | | Motor Boat | 1907 | | | |
| WANEYANDA | 3975 | | Frt. (wood) | 1919 | 1001 | 1388 | |
| WANZU | 4346 | | Frt. (wood) | 1918 | 1003 | 440 | |
| WAR BARON | 1641 | | ID | | | | |
| WAR BUG | 1795 | | Motor Boat | 1917 | | | |
| WAR KNIGHT | 1582 | | ID | | | | |
| WAR LEOPARD | 1475 | | ID | | | | |
| WAR MONARCH | 1583 | | ID | | | | |
| WAR SONG | 1479 | | Freighter | | Req. | | |
| WAR VICEROY | 1474 | | Freighter | | Req. | | |
| WARD | 4413 | F | Freighter | | 1037 | 1913 | |
| WARREN J. COURTNEY | 375 | | Menhaden | 1912 | | | |
| WARRIER | 481 | | SP | | | | |
| WASAKA III | 342 | | Motor Boat | 1912 | | | |
| WASHINGTON | 1241 | | Barge, sea | 1879 | | | |
| WASHINGTON | 4864 | A | Passenger | 1933 | | | |
| WASP | 961 | | Steam boat | 1903 | | | |
| WASP | 1159 | | Motor Boat | 1910 | | | |
| WASSAIC | 3230 | | Freighter | 1918 | 1013 | 30 | |
| WATER WITCH | 381 | | SP | | | | |
| WATERBURY | 4296 | M | Freighter | | 1025 | 622 | |
| WATERBURY, NORTHERN STAR | 4238 | A | Freighter | | 1017 | 225 | |
| WATERTOWN | 4363 | E | Tanker | | 1045 | 1166 | |
| WATHENA | 3884 | | Freighter | 1918 | 1025 | 598 | |
| WATONWAN | 3872 | | Freighter | | | | Not used, see ID-4296 |
| WATONWAN | 4296 | . | Freighter | 1918 | 1025 | 599 | Vice ID-3872, not used |
| WATT | 1246 | | SP | | | | |
| WATUGA | 1857 | | ID | | | | |
| WAUBESA | 3955 | | Freighter | 1918 | 1025 | 600 | |
| WAUKAU | 4102 | | Freighter | 1919 | 1025 | 602 | |
| WAUKEGAN | 4399 | | Freighter | 1919 | 1037 | 1424 | |
| WAUKESHA | 3123 | | Freighter | | Req. | | |
| WAUKETE | 3085 | | ID | | | | |
| WAUPUM | 3163 | | ID | | | | |
| WAVE | 1706 | | Trawler | 1913 | | | |
| WAWALONA | 4271 | . | Freighter | 1919 | 1015 | 1066 | |
| WAXAHACHIE | 4244 | C | Freighter | | 1025 | 603 | |
| WAYFARER | 1020 | | SP | | | | |
| WAYHUT | 3915 | | Frt. (wood) | 1918 | 1001 | 142 | |
| WEEHAWKEN 254 | 882 | | Barge, steam | | | | |
| WEENT | 935 | | SP | | | | |
| WEEPOOSE | 450 | | Motor Boat | 1911 | | | |
| WEGO | 1196 | | Motor Boat | | | | |
| WEIR | 1753 | | ID | | | | |
| WEKIKA | 4308 | B | Freighter | | 1012 | 14 | |
| WELCOME | 1175 | | Motor Boat | 1914 | | | |
| WELLINGTON | 1160 | | SP | | | | |
| WEMOOTAH | 201 | | Motor Boat | 1916 | | | |
| WENAKEE | 3964 | | Frt. (wood) | 1919 | 1001 | 1389 | |
| WENATCHEE | 4476 | . | Pass & Cgo | 1921 | 1029 | 1012 | |
| WENDY | 448 | | Motor Boat | 1913 | | | |
| WENONAH | 165 | | Yacht, steam | 1915 | | | |
| WEST ALCOZ | 4047 | | Freighter | 1919 | 1019 | 340 | |
| WEST ALETA | 4100 | | Freighter | 1919 | 1019 | 341 | |
| WEST ALSEK | 3119 | | Freighter | 1918 | 1013 | 87 | |
| WEST AMARGOSA | 3953 | | Freighter | 1919 | 1013 | 765 | |
| WEST APAUM | 3221 | | Freighter | 1918 | 1013 | 88 | |
| WEST ARROW | 2585 | | Freighter | 1918 | Req. | | |
| WEST ARVADA | 3921 | | Freighter | 1919 | 1013 | 766 | |
| WEST ASHAWA | 3992 | | Freighter | 1919 | 1019 | 339 | |
| WEST AVENAL | 3871 | | Freighter | 1918 | 1019 | 337 | |
| WEST BRIDGE | 2888 | | Freighter | 1918 | Req. | | |
| WEST CACTUS | 4204 | A | Freighter | | 1019 | 1148 | |
| WEST CADDOA | 4204 | . | Freighter | 1919 | 1019 | 1149 | |
| WEST CADRON | 4625 | | Freighter | 1919 | 1019 | 1151 | |
| WEST CAHOKIA | 4586 | | Freighter | 1919 | 1019 | 1152 | |
| WEST CAJOOT | 3925 | | Freighter | 1919 | 1013 | 767 | |
| WEST CALERA | 4612 | | Freighter | 1919 | 1019 | 1153 | |
| WEST CALUMB | 4184 | | Freighter | | 1013 | 769 | |
| WEST CAMAK | 4432 | | Freighter | 1919 | 1019 | 1154 | |
| WEST CAMARGO | 4637 | | Freighter | 1919 | 1019 | 1155 | |
| WEST CAMPGAW | 4372 | | Freighter | 1919 | 1066 | 2602 | |
| WEST CANON | 4641 | | Freighter | 1920 | 1019 | 1156 | |
| WEST CAPE | 3579 | | Freighter | | Req. | | |
| WEST CARMONA | 4614 | | Freighter | 1919 | 1019 | 1157 | |
| WEST CARNIFAX | 3812 | | Freighter | 1918 | 1019 | 1371 | |
| WEST CARUTH | 3850 | | Freighter | 1919 | 1019 | 1372 | |
| WEST CATANACE | 4288 | | Freighter | 1919 | 1019 | 1373 | |
| WEST CAVANAL | 4032 | | Freighter | 1919 | 1019 | 1375 | |
| WEST CAWTHON | 4130 | | Freighter | 1919 | 1019 | 1376 | |
| WEST CAYOTE | 4201 | A | Freighter | | 1019 | 1377 | |
| WEST CELERON | 4034 | | Freighter | 1919 | 1013 | 1415 | |
| WEST CELINA | 4157 | | Freighter | 1919 | 1013 | 1416 | |
| WEST CHATALA | 4219 | | Freighter | 1919 | 1013 | 1419 | |
| WEST CHEROW | 4065 | | Freighter | 1919 | 1013 | 1414 | |
| WEST CHESWALD | 4199 | . | Freighter | 1919 | 1013 | 1421 | |
| WEST CHETAC | 4107 | | Freighter | 1919 | 1019 | 1378 | |
| WEST CHOPAKA | 4490 | E | Freighter | | 1133 | 2247 | |
| WEST COAST | 3315 | | Freighter | 1918 | 1013 | 1646 | |
| WEST COBALT | 3836 | | Freighter | 1918 | 1013 | 1081 | |
| WEST COHAS | 3253 | | Freighter | 1918 | 1013 | 1177 | |
| WEST COMPO | 3912 | | Freighter | 1919 | 1013 | 1076 | |
| WEST CONOB | 4033 | | Freighter | 1919 | 1013 | 768 | |
| WEST CORUM | 3982 | | Freighter | 1919 | 1013 | 1083 | |
| WEST CRESSEY | 3813 | | Freighter | 1918 | 1013 | 1925 | |
| WEST CUSSETA | 4487 | | Freighter | 1920 | 1013 | 1412 | |
| WEST DURFEE | 2775 | | Freighter | | 1013 | 1175 | |
| WEST EAGLE | 2819 | | Freighter | | Req. | | |
| WEST EKONK | 3313 | | Freighter | 1918 | 1013 | 1178 | |
| WEST ELCAJON | 3907 | | Freighter | 1918 | 1013 | 1926 | |
| WEST ELCASCO | 3661 | | Freighter | 1918 | 1013 | 1927 | |
| WEST ELDARA | 3704 | | Freighter | 1918 | 1013 | 1928 | |
| WEST ERRAL | 3825 | | Freighter | 1918 | 1013 | 764 | |
| WEST FARALON | 4490 | A | Freighter | | 1133 | 2244 | |
| WEST GALETA | 3330 | | Freighter | 1918 | 1013 | 32 | |
| WEST GALOC | 3347 | | Freighter | 1918 | 1013 | 31 | |
| WEST GAMBO | 3220 | | Freighter | 1918 | 1013 | 1179 | |
| WEST GATE | 3216 | | Freighter | 1918 | Req. | | |
| WEST GOTOMSKA | 3322 | | Freighter | 1918 | 1013 | 1180 | |
| WEST GRAMA | 3794 | | Freighter | 1918 | 1013 | 763 | |
| WEST GREYLOCK | 4490 | D | Freighter | | 1133 | 2245 | |
| WEST GROVE | 3703 | A | Freighter | | Req. | | |
| WEST HARCUVAR | 4087 | | Freighter | 1918 | 1013 | 1693 | |
| WEST HARDAWAY | 4161 | | Freighter | 1919 | 1013 | 1694 | |
| WEST HARGRAVE | 4082 | | Freighter | 1919 | 1013 | 1695 | |
| WEST HARLAN | 4200 | B | Freighter | | 1013 | 1696 | |
| WEST HARSHAW | 4200 | C | Freighter | | 1013 | 1699 | |
| WEST HARTLAND | 4200 | D | Freighter | | 1013 | 1701 | |
| WEST HARTLEY | 4200 | E | Freighter | | 1013 | 1702 | |
| WEST HARTS | 4200 | F | Freighter | | 1013 | 1700 | |
| WEST HASSAYAMPA | 4396 | | Freighter | 1919 | 1013 | 1704 | |
| WEST HAVEN | 2159 | | Freighter | 1917 | Req. | | |
| WEST HELIX | 4293 | | Freighter | 1919 | 1013 | 1471 | |
| WEST HEMATITE | 4020 | | Freighter | 1919 | 1013 | 1473 | |
| WEST HEMBRIE | 3994 | | Freighter | 1919 | 1013 | 1472 | |
| WEST HENSHAW | 4160 | | Freighter | 1919 | 1013 | 1474 | |
| WEST HEPBURN | 4243 | . | Freighter | 1919 | 1013 | 1475 | |
| WEST HESSELTINE | 4326 | | Freighter | 1919 | 1013 | 1479 | |
| WEST HIKA | 4450 | . | Freighter | 1919 | 1013 | 1402 | |
| WEST HIMROD | 4446 | | Freighter | 1919 | 1013 | 1403 | |
| WEST HIXTON | 4444 | | Freighter | 1919 | 1013 | 1405 | |
| WEST HOBOMAC | 3335 | | Freighter | 1918 | 1013 | 1181 | |
| WEST HOLBROOK | 4376 | | Freighter | 1920 | 1013 | 1408 | |
| WEST HONAKER | 4455 | | Freighter | 1920 | 1013 | 1411 | |
| WEST HOSOKIE | 3695 | | Freighter | 1918 | 1013 | 1182 | |
| WEST HUMHAW | 3718 | | Freighter | 1918 | 1013 | 1183 | |
| WEST IMBODEN | 4085 | | Freighter | 1919 | 1013 | 1084 | |
| WEST INDIAN | 3120 | | Freighter | 1918 | 1013 | 1644 | |
| WEST INSKIP | 4201 | . | Freighter | 1919 | 1019 | 1379 | |
| WEST IRA | 4236 | B | Freighter | | 1080 | 2055 | |
| WEST IRMO | 4083 | | Freighter | 1919 | 1080 | 2050 | |
| WEST ISLAY | 4163 | | Freighter | 1919 | 1080 | 2051 | |
| WEST ISLIP | 4136 | | Freighter | 1919 | 1080 | 2053 | |
| WEST ISON | 4236 | . | Freighter | 1919 | 1080 | 2054 | |
| WEST IVAN | 4347 | | Freighter | 1919 | 1013 | 1480 | |
| WEST IVIS | 4281 | . | Freighter | 1919 | 1080 | 2057 | |
| WEST JAFFREY | 4228 | | Freighter | 1919 | 1013 | 2371 | |
| WEST JAPPA | 4339 | . | Freighter | 1919 | 1080 | 2061 | |
| WEST JENA | 4281 | A | Freighter | | 1080 | 2058 | |
| WEST JESSUP | 4329 | | Freighter | 1919 | 1080 | 2059 | |
| WEST JESTER | 4339 | A | Freighter | | 1080 | 2060 | |
| WEST KADER | 4499 | | Freighter | 1919 | 1019 | 1150 | |
| WEST KASSON | 4153 | | Freighter | 1919 | 1019 | 2075 | |
| WEST KATAN | 4259 | | Freighter | 1919 | 1019 | 2077 | |
| WEST KEATS | 4454 | . | Freighter | 1919 | 1019 | 2080 | |
| WEST KEBAR | 4456 | | Freighter | 1920 | 1019 | 2081 | |
| WEST KEDRON | 4404 | | Freighter | 1920 | 1019 | 2082 | |
| WEST KEENE | 4275 | | Freighter | 1919 | 1019 | 2076 | |
| WEST KYSKA | 3701 | | Freighter | 1918 | 1013 | 1073 | |
| WEST LASHAWAY | 3700 | | Freighter | 1918 | 1013 | 1184 | |
| WEST LEWARK | 4490 | . | Freighter | | 1133 | 2243 | |
| WEST LIANGA | 2758 | | Freighter | 1918 | 1013 | 1176 | |
| WEST LOQUASSUCK | 3638 | | Freighter | 1918 | 1013 | 1185 | |
| WEST MADAKET | 3636 | | Freighter | 1918 | 1013 | 1186 | |
| WEST MAHOMET | 3681 | | Freighter | 1918 | 1013 | 1187 | |
| WEST MAHWAH | 4392 | | Freighter | 1920 | 1066 | 2603 | |
| WEST MAXIMUS | 3924 | | Freighter | 1918 | 1013 | 1188 | |
| WEST MINGO | 4438 | | Freighter | 1919 | 1013 | 771 | |
| WEST MODUS | 3909 | | Freighter | 1918 | 1013 | 1077 | |
| WEST MONTOP | 4450 | A | Freighter | | 1013 | 772 | |
| WEST MUNHAM | 4105 | | Freighter | 1919 | 1013 | 1085 | |
| WEST NERIS | 4448 | A | Freighter | | 1019 | 2206 | |
| WEST NIGER | 4448 | . | Freighter | | 1019 | 2207 | |
| WEST NILUS | 4445 | | Freighter | 1919 | 1019 | 2208 | |
| WEST NIVARIA | 4451 | A | Freighter | | 1019 | 2209 | |
| WEST NOHNO | 4029 | | Freighter | 1919 | 1013 | 1080 | |
| WEST NOMENTUM | 4451 | . | Freighter | 1919 | 1019 | 2210 | |
| WEST NORRANUS | 4453 | . | Freighter | 1920 | 1019 | 2211 | |
| WEST NOSSKA | 4200 | G | Freighter | | 1013 | 1088 | |
| WEST NOTUS | 4453 | A | Freighter | | 1019 | 2212 | |
| WEST O'ROWA | 4500 | | Freighter | 1921 | 1013 | 1413 | |
| WEST POCASSET | 4199 | A | Freighter | | 1013 | 2369 | |
| WEST POINT | 3254 | | Freighter | 1917 | Req. | | |
| WEST PROSPECT | 4490 | B | Freighter | | 1133 | 2246 | |
| WEST QUECHEE | 4200 | H | Freighter | | 1013 | 1087 | |
| WEST RARITANS | 4200 | I | Freighter | | 1013 | 2368 | |
| WEST SAGINAW | 4199 | B | Freighter | | 1013 | 2370 | |
| WEST SEGOVIA | 4180 | | Freighter | 1919 | 1013 | 1420 | |
| WEST SELENE | 4255 | | Freighter | 1919 | 1013 | 770 | |
| WEST SEQUANA | 4028 | | Freighter | 1919 | 1019 | 1374 | |
| WEST TACOOK | 4090 | | Freighter | 1919 | 1013 | 1078 | |
| WEST TOGUS | 3908 | | Freighter | 1919 | 1013 | 1079 | |
| WEST TOTANT | 4084 | | Freighter | 1919 | 1013 | 1086 | |
| WEST VACA | 3857 | | Freighter | 1919 | 1019 | 338 | |
| WEST WAUNA | 3856 | | Freighter | 1919 | 1013 | 1075 | |
| WEST WAUNEKE | 3847 | | Freighter | 1918 | 1013 | 1082 | |
| WEST WIND | 215 | | SP | | | | |
| WEST WIND | 3121 | | Freighter | | Req. | | |
| WEST ZEDA | 3801 | | Freighter | 1918 | 1013 | 1074 | |
| WEST ZUCKER | 3584 | | Freighter | 1918 | 1013 | 34 | |
| WEST ZULA | 3501 | | Freighter | 1918 | 1013 | 33 | |
| WESTBORO | 2900 | | Freighter | | Req. | | |
| WESTBROOK | 3203 | | Freighter | | Req. | | |
| WESTCHESTER | 3103 | | Tug | 1896 | | | |
| WESTCHESTER | 3122 | | Freighter | 1917 | Req. | | |
| WESTERDIJK | 2514 | | Passenger | 1913 | | | |
| WESTERLY | 2902 | | Freighter | | Req. | | |
| WESTERN | 1125 | | SP | | | | |
| WESTERN ALLY | 3815 | | Freighter | 1918 | Req. | | |
| WESTERN BELLE | 3551 | | Freighter | 1918 | 1013 | 1649 | |
| WESTERN CHIEF | 3161 | | Freighter | 1918 | Req. | | |
| WESTERN CITY | 3272 | | Freighter | | 1013 | 1645 | |
| WESTERN COMET | 3569 | | Freighter | 1918 | Req. | | |
| WESTERN CROSS | 3380 | | Freighter | | Req. | | |
| WESTERN FRONT | 1787 | | Freighter | 1917 | Req. | | |
| WESTERN FRONT | 4461 | | Freighter | 1917 | | | |
| WESTERN GLEN | 4096 | | Freighter | 1919 | Req. | | |
| WESTERN HERO | 4495 | | Freighter | | | | Ex ID-2201 1920 |
| WESTERN HERO | 2201 | | Freighter | 1918 | 1013 | 83 | To ID-4495 1920 |
| WESTERN HOPE | 3771 | | Freighter | 1918 | Req. | | |
| WESTERN KING | 2889 | | Freighter | | Req. | | |
| WESTERN LIGHT | 3300 | | Freighter | 1918 | Req. | | |
| WESTERN MAID | 3703 | . | Freighter | 1918 | Req. | | |
| WESTERN OCEAN | 3151 | | Freighter | 1918 | Req. | | |
| WESTERN PLAINS | 3741 | | Freighter | 1918 | 1013 | 1647 | |
| WESTERN PRIDE | 3728 | | Freighter | 1918 | 1013 | 1648 | |
| WESTERN QUEEN | 2973 | | Freighter | | Req. | | |
| WESTERN SCOUT | 3527 | | Freighter | | Req. | | |
| WESTERN SEA | 3153 | | Freighter | 1918 | | | |
| WESTERN SPIRIT | 3164 | | Freighter | 1918 | Req. | | |
| WESTERN STAR | 4210 | | Freighter | 1918 | Req. | | |
| WESTERN WAVE | 3154 | | Freighter | | Req. | | |
| WESTERN WORLD | 4646 | | Pass & Cgo | | 1029 | 2507 | |
| WESTERNER | 2890 | | Freighter | 1917 | Req. | | |
| WESTFIELD | 3152 | | Freighter | | Req. | | |
| WESTFORD | 3198 | | Freighter | 1918 | Req. | | |
| WESTHAMPTON | 3127 | | Freighter | | Req. | | |
| WESTLAKE | 2569 | | Freighter | | Req. | | |
| WESTLAND | 2175 | | ID | | | | |
| WESTLAND | 3654 | | Freighter | | Req. | | |
| WESTMEAD | 3550 | | Freighter | 1918 | Req. | | |
| WESTMORELAND | 983 | | SP | | | | |
| WESTMORELAND | 2137 | | ID | | | | |
| WESTMORELAND | 4194 | A | Freighter | 1919 | 1037 | 1431 | |
| WESTMOUNT | 3202 | | Freighter | 1918 | Req. | | |
| WESTOIL | 1621 | | ID | | | | |
| WESTOVER | 2867 | | Freighter | 1918 | Req. | | |
| WESTPOOL | 3675 | | Freighter | 1918 | Req. | | |
| WESTPORT | 1024 | | SP | | | | |
| WESTPORT | 2362 | | Pass, coast. | 1911 | | | |
| WESTPORT | 3548 | | Freighter | 1918 | Req. | | |
| WESTSHORE | 3170 | | Freighter | 1918 | Req. | | |
| WESTWARD HO | 3098 | | Freighter | 1917 | Req. | | |
| WESTWOOD | 2812 | | Freighter | 1918 | Req. | | |
| WETHER | 1468 | | ID | | | | |
| WHEATLAND MONTANA | 4176 | | Freighter | 1919 | 1079 | 1934 | |
| WHEATON | 3699 | | Refrig Cgo | 1918 | Req. | | |
| WHEELING MOLD | 4418 | J | Freighter | | 1023 | 850 | |
| WHIPPET | 89 | | Motor Boat | 1917 | | | |
| WHIRLWIND | 221 | | Motor Boat | 1909 | | | |
| WHISTLER | 447 | | SP | | | | |
| WHISTLER | 784 | | Motor Boat | 1917 | | | |
| WHITECAP | 340 | | Trawler | 1916 | | | |
| WICHITA | 4413 | G | Freighter | | 1037 | 1909 | |
| WICO | 1278 | | ID | | | | |
| WICOMIC | 1348 | | SP | | | | |
| WIDGEON | 4425 | O | Trawler | 1919 | | | |
| WIDWOOD | 4253 | P | Freighter | | | | |
| WIELDRECHT | 2519 | | Tanker | 1913 | | | |
| WIERINGEN | 2547 | | ID | | | | |
| WIHAHA | 3808 | | Frt. (wood) | 1918 | 1001 | 289 | |
| WILANIDA | 1344 | | SP | | | | |
| WILD CAT | 879 | | Fishing | 1915 | | | |
| WILD GOOSE | 562 | | Motor Boat | 1913 | | | |
| WILD GOOSE | 4425 | N | Trawler | | | | |
| WILD GOOSE II | 891 | | Motor Boat | | | | |
| WILHELM JEBSEN | 1673 | | Tanker | | Req. | | |
| WILHELMINA | 2168 | | Passenger | 1909 | | | |
| WILL SULLIVAN | 1928 | | Barge, NY | | | | |
| WILLARD U. TAYLOR | 611 | | SP | | | | |
| WILLEHAD | 1334 | | ID | | | | |
| WILLIAM A. HAZZARD | 2802 | | ID | | | | |
| WILLIAM A. JAMMISON | 3172 | | ID | | | | |
| WILLIAM A. MCGONAGLE | 2625 | | ID | | | | |
| WILLIAM A. MCKENNEY | 2102 | | Freighter | 1916 | | | |
| WILLIAM BLUNDON | 378 | | SP | | | | |
| WILLIAM BONNEY | 3738 | | Barge | 1918 | | | |
| WILLIAM BRADFORD | 3133 | | ID | | | | |
| WILLIAM C. WARDEN | 1823 | | ID | | | | |
| WILLIAM DREW | 1921 | | ID | | | | |
| WILLIAM E. CLEARY | 2347 | | ID | | | | |
| WILLIAM F. GREEN | 3664 | | Barge, special | 1879 | | | |
| WILLIAM F. HERRIN | 3522 | | ID | | | | |
| WILLIAM F. MCCAULEY | 2360 | | Tug | 1894 | | | |
| WILLIAM FRANKLIN | 1983 | | ID | | | | |
| WILLIAM GREEN | 1561 | | ID | | | | |
| WILLIAM H. | 1834 | | ID | | | | |
| WILLIAM H. WEBB | 4286 | D | Freighter | | Req. | | |
| WILLIAM ISOM | 1555 | | Tanker | 1917 | Req. | | |
| WILLIAM J. CONWAY | 2903 | | ID | | | | |
| WILLIAM J. MARTIN | 1733 | | ID | | | | |
| WILLIAM J. O'BRIEN | 4921 | | Trawler | 1928 | | | |
| WILLIAM M. WADLEY | 2426 | | ID | | | | |
| WILLIAM MCALLISTER | 2753 | | ID | | | | |
| WILLIAM N. PAGE | 3844 | | Collier | 1918 | Req. | | |
| WILLIAM O'BRIEN | 1638 | | ID | | | | |
| WILLIAM P. CORBETT | 1836 | | ID | | | | |
| WILLIAM PENN | 4494 | | Freighter | | Req. | | |
| WILLIAM ROCKEFELLER | 1581 | | Tanker | 1916 | | | |
| WILLIAM ROCKEFELLER | 4707 | | Tanker | 1921 | | | |
| WILLIAM ROWLAND | 750 | | SP | | | | |
| WILLIAM S. BRUSSTAR | 501 | | SP | | | | |
| WILLIAM S. WOLLE | 2069 | | ID | | | | |
| WILLIAM V. SULLIVAN | 1912 | | ID | | | | |
| WILLIAMS "18" | 498 | | Motor Boat | 1907 | | | |
| WILLIE | 3686 | | Tug | 1885 | | | |
| WILLIMANTIC | 3549 | | Freighter | 1918 | 1014 | 107 | Later ID-4300 |
| WILLIMANTIC | 4300 | | Freighter | 1918 | | Orig ID-3549 | |
| WILLOUGHBY | 2129 | | Ferry | 1903 | | | |
| WILROSE II | 195 | | Motor Boat | 1908 | | | |
| WILTON | 3454 | | ID | | | | |
| WINCHESTER | 156 | | Yacht, steam | 1916 | | | |
| WINDING GULF | 3379 | | Collier | 1918 | Req. | | |
| WINFIELD S. CAHILL | 493 | | Menhaden | 1912 | | | |
| WINIFRED | 1319 | | Tanker | 1898 | | | |
| WINNEBAGO | 2353 | | Freighter | 1900 | | | |
| WINNECONE | 1373 | | SP | | | | |
| WINOBER | 3571 | | ID | | | | |
| WINONA | 1487 | | ID | | | | |
| WINONA | 4253 | HHH | Freighter | | 1022 | 1505 | |
| WINONA COUNTY | 4470 | B | Freighter | | 1037 | 1435 | |
| WINSTON SALEM | 4436 | C | Freighter | | 1037 | 1449 | |
| WINTERSWIJK | 2567 | | Freighter | 1914 | | | |
| WINTHROP | 3297 | | Tug | 1883 | | | |
| WINTHROP | 4919 | | Trawler | 1929 | | | |
| WINYAH | 468 | | SP | | | | |
| WINYAH | 4166 | | Freighter | 1919 | 1025 | 605 | |
| WISCONSIN | 2658 | | ID | | | | |
| WISCONSIN BRIDGE | 4078 | | Freighter | 1919 | 1023 | 570 | |
| WISHKAH | 3346 | . | Frt. (wood) | | 1005 | 56 | |
| WISSAHICKON | 852 | | Yacht | 1899 | | | |
| WISSOE II | 153 | | Motor Boat | 1916 | | | |
| WISTARIA | 259 | | Motor Boat | | | | |
| WIWOKA | 250 | | Motor Boat | 1912 | | | |
| WOLVERINE | 2520 | | ID | | | | |
| WOLVERINE STATE | 4471 | E | Pass & Cgo | | 1095 | 2589 | |
| WONAHBE | 4348 | A | Frt. (wood) | | 1001 | 472 | |
| WOODEN LIGHTER | 3228 | | Barge | | | | |
| WOODMANSIE | 4113 | | Freighter | 1919 | 1023 | 594 | |
| WORCESTER | 4242 | | Freighter | 1918 | 1016 | 374 | |
| WOYACA | 4185 | | Frt. (wood) | | 1001 | 400 | |
| WRESTLER | 1454 | | SP | | | | |
| WYANDANCE | 359 | | Motor Boat | | | | |
| WYNDCHE | 4244 | D | Freighter | | | | |
| WYOMISSING | 2204 | | ID | | | | |
| WYONING | 1127 | | SP | | | | |
| WYTHEVILLE | 4257 | . | Freighter | 1919 | 1037 | 1429 | |
| XARIFA | 581 | | Yacht | 1894 | | | |
| YACONA | 617 | | Yacht, steam | 1898 | | | |
| YADKIM | 2352 | | ID | | | | |
| YAKA | 4296 | N | Freighter | | 1025 | 627 | |
| YAKIMA | 3474 | | Frt. (wood) | | 1001 | 490 | Later ID-4262 |
| YAKIMA | 4262 | | Frt. (wood) | | | | Orig ID-3474 |
| YAKLOK | 4202 | . | Freighter | 1919 | 1015 | 750 | Later ID-4395 |
| YAKLOK | 4395 | | Freighter | | | | Orig ID-4202 |
| YALE | 1672 | | Pass, coast. | 1906 | | | |
| YALE | 2835 | | ID | | | | |
| YALZA | 4296 | O | Freighter | | 1025 | 630 | |
| YAMA | 999 | | SP | | | | |
| YAMHILL | 3806 | | Freighter | 1918 | 1015 | 146 | |
| YANK | 908 | | Motor Boat | 1917 | | | |
| YANKEE | 3279 | | ID | | | | |
| YANKEE | 4951 | | Yacht | 1931 | | | |
| YANKEE ARROW | 4780 | | Tanker | 1921 | | | |
| YANKEE DOODLE | 924 | | SP | | | | |
| YAPALAGA | 4296 | P | Freighter | | 1025 | 629 | |
| YAPHANK | 4251 | | Freighter | 1919 | 1017 | 224 | |
| YAQUINA | 3851 | | Freighter | 1918 | 1015 | 147 | |
| YARD #210 | 907 | | Motor Boat | 1917 | | | |
| YARMOUTH | 4809 | | Pass & Cgo | 1927 | | | |
| YARROW | 1010 | | Motor Boat | 1913 | | | |
| YAWAH | 4218 | | Freighter | 1919 | | | |
| YAZOO | 2817 | | ID | | | | |
| YEHAMA | 3255 | | Frt. (wood) | | 1003 | 432 | |
| YELLOWSTONE | 2657 | | Freighter | 1917 | Req. | | |
| YENRUT IV | 3040 | | Barge | | | | |
| YO HO | 463 | | Motor Boat | 1910 | | | |
| YORBA LINDA | 4660 | | Tanker | 1921 | | | |
| YORK HARBOR | 3352 | A | Freighter | | Req. | | |
| YOSEMITE | 2319 | | Freighter | | Req. | | |
| YOUNGSTOWN | 4635 | | Freighter | 1919 | 1037 | 1425 | |
| YUCCA | 1403 | | ID | | | | |
| YUKON | 3692 | | Freighter | | Req. | | |
| YUMA | 2242 | | ID | | | | |
| YUNA | 2345 | | ID | | | | |
| ZAANLAND | 2746 | | Freighter | 1900 | | | |
| ZACA | 3792 | | Freighter | 1918 | 1015 | 149 | |
| ZACAPA | 4518 | | Passenger | 1909 | | | |
| ZAR | 1108 | | SP | | | | |
| ZARA | 133 | | Yacht, steam | 1891 | | | |
| ZAREMBO | 4263 | | Freighter | 1918 | 1014 | 113 | |
| ZEELANDIA | 2507 | | Passenger | 1910 | | | |
| ZENDA | 688 | | Motor Boat | 1912 | | | |
| ZENITH | 61 | | Motor Boat | 1917 | | | |
| ZEPHYR | 779 | | SP | | | | |
| ZEPHYR | 3544 | | ID | | | | |
| ZEPPELIN | 4042 | | Passenger | 1914 | | | |
| ZIAMWELL | 3886 | | Freighter | | | | |
| ZIGZAG | 106 | | Motor Boat | 1916 | | | |
| ZILLAH | 2804 | | Motor Boat | 1903 | | | |
| ZIPALONG | 3 | | Motor Boat | 1907 | | | |
| ZIRKEL | 3407 | | Freighter | 1918 | 1015 | 150 | |
| ZITA | 21 | | SP | | | | |
| ZOELLA LYKES [MC-68] | 5012 | A | Freighter | 1940 | | | |
| ZORAYA | 235 | | Yacht, steam | 1901 | | | |
| ZORAYDO | 368 | | SP | | | | |
| ZUIDERDIJK | 2724 | | Freighter | 1912 | | | |
| ZUMBROTA | 93 | | Motor Boat | 1914 | | | |
| (UNKNOWN) | 2208 | | ID | | | | |
| (UNKNOWN) | 2210 | . | ID | | | | |
| (UNKNOWN) | 2672 | | ID | | | | |
| (UNKNOWN) | 3381 | | ID | | | | |
| (UNKNOWN) | 3462 | | ID | | | | |
| (UNKNOWN) | 3678 | | (Unk) | | | | |
| (UNKNOWN) | 3694 | | (Unk) | | | | |
| (UNKNOWN) | 3867 | | (Unk) | | | | |
| (UNKNOWN) | 4279 | E | Freighter | | | | |
| (UNKNOWN) | 4340 | | (Unk) | | | | |
| (UNKNOWN) | 4353 | J | Freighter | | | | |
| (UNKNOWN) | 4353 | Q | Freighter | | | | |
| (UNKNOWN) | 4475 | | (Unk) | | | | |
| (UNKNOWN) | 4490 | C | (No Ship) | | | | |
| (UNKNOWN) | 4572 | | (Unk) | | | | |
| (UNKNOWN) | 4587 | | (Unk) | | | | |
| (UNKNOWN) | 4600 | | (Unk) | | | | |
| (UNKNOWN) | 4620 | | (Unk) | | | | |
| (UNKNOWN) | 4630 | | (Unk) | | | | |