We have so far registered 92,376 seafarers
| Name | Born | Place of birth (place of living shown if missing) | | Walter Cooper | October 11, 1915 | Born in Darthmouth | |
| William Cooper | March 16, 1913 | Born in Kenton | |
| Erik Copey | September 24, 1916 | Born in London | |
| Robert Corbett (Coreett) | October 1, 1926 | Born in Dominion | |
| Donald Corbett | April 3, 1918 | Lived in Port Dalhousie, Ontario, Canada | |
| John Corbett | | Lived in Havre Bonchier, Nova Scotia, Canada | |
| Benjamin Corfield | March 14, 1924 | Born in Ontario, Canada | |
| Leo Cormier | March 15, 1925 | Born in Amhurst | |
| Leopold Cormier | | Lived in 17 Laberge St. Quebec | |
| James David Cornelius | August 19, 1927 | Born in Galt, Ontario | |
| Demetri Cornt | 1921 | | |
| Arthur B. Cornwell | February 11, 1920 | Born in Vancouver | |
| William Cossett | September 17, 1927 | Born in Listwol | |
| Manuel de Costa | 1921 | | |
| Walter Wallace de Coste | November 3, 1922 | Born in West Arichat, Halifax | |
| Mary Emilia Cotton | September 17, 1907 | Born in Canada | |
| William Cotty | August 21, 1924 | Born in Montreal | |
| John Could | September 1, 1921 | Born in New Aberdeen | |
| Hendersen Coulson | | | |
| Gordon R. Court | December 19, 1926 | Born in Ontario | |
| Henry O. Coventry | | | |
| Michael Cower | | | |
| Dennis Cox | December 16, 1923 | Born in Toronto | |
| Donald Cox | July 10, 1917 | Born in Vancouver | |
| Jack A. Cox | March 26, 1927 | Born in Canada | |
