| Full name: | John George O'Brien |
| Born: | 10th January 1866, Dublin, Ireland |
| Died: | 15th August 1920, Dublin, Ireland |
| Relations: | Brother: TC O'Brien; Nephew: TJA O'Brien |
| Teams: | Ireland (Main FC: 1910); All teams |
| Lists of matches and more detailed statistics | |
| First-Class Career Batting and Fielding (1910) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | ||
| Ireland | 1 | 2 | 0 | 7 | 4 | 3.50 | 0 | 0 | 1 | |
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