List of Snaefell Mountain Course fatal accidents List of fatal accidents involving competitors List of fatal accidents involving competitors

| Rider | Date_ | Place | Race | Event | Machine |
|---|---|---|---|---|---|
| Syd Crabtree | 13 June 1934 | Stonebreakers Hut | 1934 Isle of Man TT | Lightweight TT | Excelsior |
| John Gilbert | 3 September 1934 | Sulby Bridge | 1934 Manx Grand Prix | Practice | Velocette |
| J.P.Williamson | 6 September 1934 | Kirk Michael Village | 1934 Manx Grand Prix | Practice | 498cc Rudge |
| J.A.MacDonald | 17 June 1935 | Union Mills | 1935 Isle of Man TT | Junior TT | Norton |
| Doug Pirie | 19 June 1935 | 33rd Milestone | 1935 Isle of Man TT | Lightweight TT | New Imperial |
| Jack Moore | 13 June 1938 | East Mountain Gate | 1938 Isle of Man TT | Junior TT | Norton |
| Percy Pritlove | 12 September 1938 | Union Mills | 1938 Manx Grand Prix | Practice | Vincent HRD |