| Name | Born | Place of birth (place of living shown if missing) | |
|---|---|---|---|
| Christen Tønnessen | 1812 | Born in Åkerøy | |
| Christian Tønnessen | 1826 | Born in Ramsøy | |
| Elias Tønnessen | 1853 | ||
| Gunder Emil Tønnessen | 1860 | Born in Åkerøy | |
| Hans Jørgen Tønnessen | 1847 | Born in Omland | |
| Hans Martin Tønnessen | 1864 | Born in Åkerøy | |
| Herman Teodor Tønnessen | December 1, 1871 | Born in Bjørnholmen, Høvåg | |
| 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 |