We have so far registered 92,376 seafarers
| Name | Born | Place of birth (place of living shown if missing) | | Haaver Tønnessen | 1826 | Born in Kvannes | |
| Jens Lauritz Tønnessen | November 23, 1890 | Born in Fjære | |
| Johan Tønnessen | November 26, 1873 | Born in Vesterhus, Høvåg | |
| Johan Cornelius Tønnessen | | Born in Ulvesund | |
| Johan Doresius Tønnessen | 1861 | Born in Mærdø | |
| Johan Jørgen Tønnessen | 1829 | Born in Ramsøy | |
| Jonas Tønnessen | 1809 | Born in Ulvøsund | |
| Jonas Tønnessen | 1863 | Born in Omland | |
| Karl Mathias Tønnessen | 1869 | Born in Åkerøy | |
| Kristen Tønnessen | 1875 | Born in Ullerøy | |
| Kristen Tønnessen | | | |
| Leif Daatland Tønnessen | May 20, 1917 | Born in Hesnesøy i Fjære | |
| Lorentz Tønnessen | | Born in Åkerøy | |
| Ludvig Theodor Tønnessen | June 6, 1892 | Born in Fjære | |
| Marius Schrøder Tønnessen | August 26, 1914 | Born in Fjære | |
| Nicolai Tønnessen | 1787 | Born in Flesierønning | |
| Nils Bernhard Tønnessen | February 13, 1906 | Born in Fjære | |
| Nils Martinius Tønnessen | 1857 | Born in Åkerøy | |
| Olaf Anton Tønnessen | November 1, 1902 | Born in Brooklyn, USA | |
| Olav Trygve Tønnessen | January 2, 1898 | Born in Brekkestø | |
| Ole Tønnessen | 1805 | Born in Åkerøy | |
| Ole Andreas Tønnessen | 1794 | Born in Ulvesund | |
| Ole Johan Tønnessen | December 19, 1907 | Born in Vestre Moland | |
| Ole Johan Tønnessen | 1854 | Born in Åkerøy | |
| Omund Kristian Tønnessen | July 30, 1837 | Born in Landvik | |