| Dave Maginnes | |
| Position: | Halfback / Wingback |
| Birth Date: | 4 August 1893 |
| Birth Place: | Dorchester, Massachusetts |
| Death Place: | Exeter, New Hampshire |
| Height Ft: | 5 |
| Height In: | 10 |
| Weight Lbs: | 165 |
| College: | Lehigh |
| Pastteams: | |
| Pfr: | M/MagiDa20 |
William David Maginnes (August 4, 1893 – June 26, 1981) was a professional American football player. He played in the National Football League in 1921 with the New York Brickley Giants. Brickley's New York Giants are not related to the modern-day New York Giants. While with the Giants, Dave was teammates with his brother Al.[1] [2]