William John Leisaw
Birthplace: Vassar, Michigan
Born: October 24, 1875
Died: April 15, 1941
Billy Leisaw
William John Leisaw
Birthplace: Vassar, Michigan
Born: October 24, 1875
Died: April 15, 1941
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| Track | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Indianapolis | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 |
| Chassis | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Buick | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 |
| Engine | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Buick | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 |