John D. Callaghan
Birthplace: Kentucky
Born: April 1980
Died: February 8, 1915
Jack Callaghan
John D. Callaghan
Birthplace: Kentucky
Born: April 1980
Died: February 8, 1915
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| Track | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Ascot | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Corona | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 |
| Elgin | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 28 | 0 |
| Galesburg | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Glendale | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Kalamazoo | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | |
| San Diego-Point Loma | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 |
| St. Paul | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 |
| Chassis | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Duesenberg | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Keeton | 4 | 1 | 0 | 0 | 0 | 1 | 1 | 0 |
| Engine | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Duesenberg | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Wisconsin | 4 | 1 | 0 | 0 | 0 | 1 | 1 | 0 |