| Full name: | Timothy Carew O'Brien |
| Born: | 5th November 1861, Dublin, Ireland |
| Died: | 9th December 1948, Ramsey, Isle of Man, England |
| Batting: | Right-hand batter |
| Bowling: | Left-arm (unknown style) |
| Occasional wicket-keeper | |
| Education: | New Inn Hall, Oxford University |
| Relations: | Brother-in-law: CE de Trafford; Brother-in-law: HF de Trafford; Brother: JG O'Brien; Nephew: WFJ Clifford; Nephew: LAJ Clifford; Nephew: RCJG Clifford; Nephew: GGJ Clifford; Son: TJA O'Brien |
| Teams: | England (Test: 1884-1895/96); Middlesex (Main FC: 1881-1898); Oxford University (Main FC: 1884-1885); All teams |
| Lists of matches and more detailed statistics | |
| Articles: | Brief profile of T.C.O'Brien |
| Pictures: | Portrait of Tim O'Brien |
| Test Career Batting and Fielding (1884-1895/96) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | ||
| England | 5 | 8 | 0 | 59 | 20 | 7.37 | 0 | 0 | 4 | |
| First-Class Career Batting and Fielding (1881-1914) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | St | |
| Overall | 266 | 452 | 30 | 11397 | 202 | 27.00 | 15 | 59 | 173 | 2 |
| First-Class Career Bowling (1881-1914) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Overall | 484 | 36 | 340 | 4 | 1-10 | 85.00 | 0 | 0 | 121.00 | 4.21 |