| J.J. O'Brien | ||
|---|---|---|
| ||
| Country | ||
| Swings | ||
| Summary | |||||||
|---|---|---|---|---|---|---|---|
| Win | 2nd | 3rd | Top 10 | Made Cut | Best Finish | ||
| Masters | 0 | 0 | 0 | 0 | 0 | ||
| US Open | 0 | 0 | 0 | 1 | 3 | 9 (1916) | |
| Open Championship | 0 | 0 | 0 | 0 | 0 | ||
| PGA Championship | 0 | 0 | 0 | 0 | 0 | ||
| Total | 0 | 0 | 0 | 1 | 3 | ||
| Finishes | |||
|---|---|---|---|
| 1914 | 1915 | 1916 | |
| Masters | |||
| US Open | T13 | T32 | T9 |
| Open Championship | |||
| PGA Championship | |||
| Detail | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Year | Age | Tournament | Course | State | Country | Par | Yardage | R1 | R2 | R3 | R4 | Total | To Par | Pos | Playoff |
| 1914 | US Open | Midlothian Country Club | Illinois | United States | 72 | 6355 | 74 | 72 | 77 | 79 | 302 | 14 | T13 | ||
| 1915 | US Open | Baltusrol Golf Club | New Jersey | United States | 74 | 6212 | 82 | 75 | 80 | 79 | 316 | 20 | T32 | ||
| 1916 | US Open | The Minikahda Club | Minnesota | United States | 71 | 6130 | 76 | 72 | 73 | 76 | 297 | 13 | T9 | ||