Mario DeMarco
| No. 52, 55, 63 | |
| Date of birth | July 24, 1924 |
|---|---|
| Place of birth | Boonton, New Jersey, U.S. |
| Date of death | December 9, 1956 (aged 32) |
| Place of death | Mount Slesse, British Columbia, Canada |
| Career information | |
| CFL status | International |
| Position(s) | G |
| Height | 5 ft 11 in (180 cm) |
| Weight | 220 lb (100 kg) |
| US college | Miami |
| Career history | |
| As player | |
| 1949 | Detroit Lions (NFL) |
| 1951–1952 | Edmonton Eskimos (WIFU) |
| 1953–1956 | Saskatchewan Roughriders (WIFU) |
| Career highlights and awards | |
| CFL All-Star | 1951, 1952, 1954 |
| Awards | 55 (Saskatchewan Roughriders) |
Mario Joseph DeMarco, (July 24, 1924 – December 9, 1956) was an American college football, National Football League (NFL), and professional Canadian football player, and was one of 62 people who died on Trans-Canada Air Lines Flight 810, on December 9, 1956.
Raised in Boonton, DeMarco started at offensive lineman for four seasons at Boonton High School.
DeMarco played professionally as an offensive lineman for the NFL's Detroit Lions in 1949, before joining the Edmonton Eskimos of the Western Interprovincial Football Union for two seasons beginning in 1951. DeMarco joined the Saskatchewan Roughriders in 1953, and was a member of the team for four years until the time of his death. He was a three time West All-Star (in 1951, 1952 and 1954). DeMarco's #55 jersey is one of eight that has been retired by the Roughriders.