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 |
|---|---|---|---|---|---|
| Ben Drinkwater | 13 June 1949 | 11th Milestone | 1949 Isle of Man TT | Junior TT | 350cc Norton |
| John Makaula-White | 29 May 1950 | Handley`s Corner | 1950 Isle of Man TT | Practice | 500cc Triumph |
| Thomas A. Westfield | 30 May 1950 | Keppel Gate | 1950 Isle of Man TT | Practice | 500cc Triumph |
| Alfred Bent | 8 September 1950 | Birkin`s Bend | 1950 Manx Grand Prix | Practice | Velocette |
| Leonard C Bolshaw | 29 May 1951 | 32nd Milestone | 1951 Isle of Man TT | Practice– Senior Clubmans | Triumph |
| John P. O’Driscoll | 31 May 1951 | 33rd Milestone | 1951 Isle of Man TT | Practice | Rudge |
| John T Wenman | 4 June 1951 | Rhencullen Hill/Bishopscourt | 1951 Isle of Man TT | Junior TT | Norton |