We have so far registered 92,376 seafarers
| Name | Born | Place of birth (place of living shown if missing) | | David J. Mahoney | | | |
| R. Mainer | August 24, 1912 | Lived in 1 Utah Place, E.Boston, Mass., U.S.A. | |
| Cus Makris | December 29, 1924 | Born in Seattle, Wash., U.S.A. | |
| Ramon J. Malet | January 25, 1904 | Born in Tumaco, Colombia | |
| Gerhard E. Manning | September 4, 1906 | Born in New York, U.S.A. | |
| John Maraldo | October 25, 1915 | Born in Boawathe | |
| William V. Margetke (Margitko) | April 22, 1920 | Born in Ohio | |
| Ruban Marquez | September 1, 1925 | Born in Rio Piedra | |
| Saul Marrero | April 2, 1926 | Born in Rio Piedra | |
| Donald Martin | October 21, 1926 | Born in Salinas, Ca. U.S.A. | |
| Joseph Martino | June 22, 1923 | Born in Brooklyn | |
| Stuart Martin | January 11, 1913 | Born in Brooklyn | |
| Wf (w.f) Martin | | | |
| William Martin | | Lived in Packard Avenue, Cohasset, Mass., U.S.A. | |
| Joel Marttila | July 8, 1927 | Born in California | |
| Melvin L. Massie | February 2, 1926 | Born in Weatherford | |
| Dominick Matastasio | March 7, 1927 | Born in Altona, Pa. U.S.A. | |
| Albert Matthews | March 19, 1920 | Born in Baltimore, Md, U.S.A. | |
| John D. Maxwell | 1893 | Born in Maine, U.S.A. | |
| Ralston McAloney | June 9, 1919 | Born in Spring Hill, USA | |
| Norbert McBeth | June 6, 1910 | Born in Cambridge, Mass. | |
| Stuart McClellan | March 10, 1905 | | |
| John McDade | April 24, 1922 | Born in Blantyre | |
| Robert McDonald | October 2, 1921 | Born in Washington | |
| John McDowall | June 10, 1927 | Born in Portland | |
