We have so far registered 92,376 seafarers
| Name | Born | Place of birth (place of living shown if missing) | | Arthur Calvert | October 21, 1924 | Born in Indiana | |
| Richard Cameron | October 1, 1907 | Born in Pennsylvania, U.S.A. | |
| Calvin Camille | July 31, 1923 | Lived in Lindwood | |
| Rolf Cardero | | | |
| Richard Carini | August 29, 1915 | Born in Massachusetts, U.S.A. | |
| Thorleif Carlsen (Carson) | May 29, 1902 | Born in Oslo | |
| Frithjof Neuvman Carlsen | January 13, 1922 | Lived in Sandefjord | |
| George Edward Carr | June 3, 1913 | Born in USA | |
| Norman Cars | | | |
| Joseph A. Carson | February 6, 1922 | Born in Portland, me, U.S.A. | |
| Bill Case | | | |
| George Casey | August 24, 1927 | Born in Boston, U.S.A. | |
| John Cerpes | November 28, 1906 | Born in U.S.A. | |
| Jack Curtis Cetko | July 5, 1926 | Born in Jackson | |
| Jack Chabrian | August 18, 1897 | Lived in 539 Blowfield St., Hoboken, NY | |
| W. P. Chapman | November 6, 1921 | Born in Persinger, West Virginia, USA | |
| Wallace Chatal | October 12, 1920 | Born in Massachusetts | |
| Frank Chiaia | October 13, 1923 | Born in Brooklyn | |
| Chi Cheng Ching | July 18, 1905 | Born in Canton | |
| Thomas Christenson | January 8, 1894 | Born in Justø, Vestre Moland | |
| Charles Christiansen | April 14, 1926 | Born in Washington | |
| Stephen Ciccotelli | October 13, 1920 | Born in Pitcairn, Pennsylvania | |
| Barney L. Clabo | August 28, 1918 | Born in Tennessee | |
| James W. Clark | September 17, 1929 | Born in Oakland | |
| Eugene Bragg Clark Jr. | February 28, 1927 | Born in Texas | |
