As this list of men serving aboard St. Roch is compiled by year, some may have been aboard for the entire year only or one month during that year as a crew member. It is possible someone was aboard St. Roch for a short passage but was not recorded as crew and, consequently, does not appear on this list.
Ranks:
| S/Cst – Special Constable | Sgt – Sergeant |
| A/Cst – Acting Constable | S/Sgt – Staff Sergeant |
| Cst – Constable | Insp – Inspector |
| Cpl – Corporal |
| Name | Nickname | Lifespan | Rank | Position on Ship | Years Served |
|---|---|---|---|---|---|
| Alexander, Scott Eric | 1910-1976 | S/Cst | 1935-37 | ||
| Blues, Donald Porteous | Scotty | 1904-1978 | Cst | 1932-34 | |
| Carter, William Sharples | 1905-1991 | Cst | 1932-33 | ||
| Cheetham, J.R. | Cst | 1935-36 | |||
| Christy, Robert Wesley | 1911-1997 | Cst | 1939 | ||
| Cranney, James Joseph | Pat | 1909-1995 | Cst | 1933-34, 36-37 | |
| Cresine, Harold Everett Buckley | 1901-1967 | Cst | 1938 | ||
| Davies, James Henry | ? - 1954 | Cst | 1930, 33-34 | ||
| Douthwaite, Charles Robert Raefe | 1907-1990 | Cst | 1935-37 | ||
| Eddy, Joseph Unsworth | 1897-1981 | Sgt | 1936-37 | ||
| Goodey, Reginald John | 1911-1967 | Cst | 1935, 38-39 | ||
| Humphrey, Herbert Olin | 1908-1993 | Cst | 1937 | ||
| Josephson, V.R. | Cst | 1938, 39 | |||
| Kells, Robert Wesley | 1900-1970 | Cst | Assistant Engineer | 1928-37 | |
| Luke, M. | S/Cst | 1936 | |||
| MacKenzie, Alexander | Cst | 1935-36 | |||
| MacRae, John Alexander | Jack | 1908-1966 | Cst | 1930-32, 34 | |
| Makinson, George Tingley | 1903-1986 | Cpl | 1933-36 | ||
| Moore, G.P.C. | Cst | 1937-47 | |||
| Panatanoak | Guide | 1938 | |||
| Parkes, Derek Edmund | 1902-1995 | Cst | 1938-39 | ||
| Perks, Donald | 1904-1986 | Cpl | 1934 | ||
| Wall, George Meynell | 1896-1984 | Cpl | 1933 | ||
| Welsh, T.F.D. | Cst | Wireless Operator | 1935-37 | ||
| Willan, Lionel Francis | 1911-1998 | Cst | 1935-37 |