Harry Thomas McQuinn
Birthplace: Franklin, Indiana
Born: December 13, 1905
Died: January 1, 1986
Harry McQuinn
Harry Thomas McQuinn
Birthplace: Franklin, Indiana
Born: December 13, 1905
Died: January 1, 1986
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| Track | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Indianapolis | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Milwaukee | Non | points | race | only | |||||
| Springfield | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 |
| Syracuse | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 |
| Chassis | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Adams | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 |
| Alfa Romeo/Weil | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Blume | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 |
| Marchese | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Maserati | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 33 | 0 |
| Miller | Relief | drove | only | ||||||
| Rigling | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 |
| Stevens | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 |
| Unknown | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Weil | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 |
| Engine | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Alfa Romeo | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Brisko | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 |
| Maserati | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 33 | 0 |
| Miller | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Offy | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 |
| Sparks | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 |
| Unknown | Non | points | races | only |