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 |
|---|---|---|---|---|---|
| Michael Richardson | 11 September 1952 | Bray Hill | 1952 Manx Grand Prix | Senior | 348cc AJS |
| Harry L Stephen | 8 June 1953 | Bishopscourt | 1953 Isle of Man TT | Junior TT | Norton |
| Thomas W Swarbrick | 8 June 1953 | 13th Milestone | 1953 Isle of Man TT | Junior TT | 350cc AJS |
| Les Graham | 12 June 1953 | Quarterbridge Road | 1953 Isle of Man TT | Senior TT | 500cc MV Agusta |
| Geoffrey G. Walker | 12 June 1953 | Kerrowmoar | 1953 Isle of Man TT | Senior TT | Norton |
| Raymond G Ashford | 7 June 1954 | Laurel Bank | 1954 Isle of Man TT | Practice | 350cc BSA |
| Simon Sandys-Winsch | 18 June 1954 | Highlander | 1954 Isle of Man TT | Senior TT | 350cc Velocette |