We have so far registered 92,376 seafarers
| Name | Born | Place of birth (place of living shown if missing) | | Joseph Olive | August 11, 1924 | | |
| Stanley Oliver | June 24, 1914 | Born in Bell Island, Newfoundland, Canada. | |
| Manuel Ollavarria | | Born in New York | |
| Edward Olsen | August 14, 1906 | Born in Galveston, U.S.A. | |
| Oscar Olsen | August 13, 1904 | Born in Drammen | |
| Oscar Sophus Olsen | August 13, 1903 | Born in Drammen | |
| Thomas Olsen | September 19, 1923 | Born in Honolulu | |
| Ernest Olsson | August 23, 1918 | Born in Cheshire, Connecticut. | |
| J. O. O'Neil | May 12, 1902 | Lived in 86 Union Street Washington | |
| Walter Osmundson | October 6, 1911 | Born in Brooklyn, New York, USA | |
| Max Lester O`Starr | May 23, 1921 | Born in Galt, Calef., USA | |
| Rudolf Otten | March 23, 1905 | Born in New Jersey, USA | |
| John Pado | September 22, 1914 | Born in Perth Amboy, USA | |
| Owen J. Palmer | February 8, 1915 | Born in Washington, USA | |
| Gordon Palm | June 20, 1920 | | |
| Hellary Parrish | September 1, 1892 | Born in Monrouville, USA | |
| Roland Barry Parsons | October 21, 1927 | Born in Oakland, USA | |
| Joseph Lutz Patrick | March 22, 1911 | Born in New York, USA | |
| William Patten | April 27, 1916 | Born in Portland, Maine., USA | |
| Walter Patterson | January 27, 1920 | | |
| Olav Martin Aarstsag Paulsen | May 7, 1916 | Born in USA, Brooklyn | |
| Alf Irving Pedersen | July 20, 1913 | Born in Brooklyn, New York, USA | |
| Glen Allen Pedersen | September 10, 1927 | Born in Los Angeles, USA | |
| Gustav Pedersen | | Born in USA | |
| Sam Pekofsky | December 17, 1923 | Born in Brooklyn, New York, USA | |
