We have so far registered 92,376 seafarers
| Name | Born | Place of birth (place of living shown if missing) | | Ole Hartvig Olavesen | July 4, 1893 | Born in Onsøy | |
| Per Olavesen | April 23, 1924 | Born in Onsøy | |
| Sigvart Olaves Olavesen | August 10, 1908 | Born in Onsøy | |
| Trygve Marentsius Olavesen | November 10, 1897 | Born in Onsøy | |
| Erling Marensius Oliversen | November 26, 1900 | Born in Onsøy | |
| Aksel Bernhard Olsen | August 24, 1886 | Born in Hvaler | |
| Aksel Marensius Olsen | May 16, 1900 | Born in Borge | |
| Anders Olaves Olsen | January 4, 1911 | Born in Onsøy | |
| Andreas Mikael Jørstad Olsen | July 28, 1922 | Born in Hisøy | |
| Anton Olsen | January 5, 1891 | Born in Råde | |
| Anton Magnus Olsen | January 5, 1891 | Born in Råde | |
| Anton Marensius Olsen | August 23, 1880 | Born in Onsøy | |
| Arne Olsen | May 30, 1916 | Born in Onsøy | |
| Arne Olsen | December 21, 1922 | Born in Tønsberg | |
| Arne Olsen | August 31, 1915 | Born in Sarpsborg | |
| Arne Ludvig Olsen | February 28, 1917 | Born in Onsøy | |
| Arne Martinius Olsen | June 25, 1908 | Born in Onsøy | |
| Arnold Eugen Olsen | July 6, 1915 | Born in Hvaler | |
| Arnt Olsen | 1891 | Lived in Sponviken, Halden | |
| Arnt Nikolai Olsen | March 3, 1918 | Born in Råde | |
| Arnt Tisler Olsen | June 4, 1913 | Born in Hvaler | |
| Arthur Oliver Olsen | September 11, 1921 | Born in Borge | |
| Asbjørn Olsen | December 29, 1899 | Born in Onsøy | |
| Asbjørn Johannes Olsen | July 28, 1917 | Born in Sarpsborg | |
| Bernt Anker Olsen | October 10, 1911 | Lived in Oskarsgt. 48, Sarpsborg | |