Cowboy O'Rourke
Cletus Joseph O'Rourke
Birthplace: Minonk, Illinois
Born: February 25, 1914
Died: October 28, 1997
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| Track | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Indianapolis | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Chassis | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Lencki | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Engine | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Lencki | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |