Bill Mackey
Bill Mackey was an American racecar driver. His name at birth was William Christopher Gretsinger Jr.
Mackey was killed while attempting to qualify for an AAA sprint car race at Funk's Speedway in Winchester, Indiana on July 29, 1951, a day which became known as "Black Sunday".
Indianapolis 500 results
| Starts | 1 |
| Poles | 0 |
| Front Row | 0 |
| Wins | 0 |
| Top 5 | 0 |
| Top 10 | 0 |
| Retired | 1 |