| Country: | Ireland |
| Fullname: | John George O'Brien |
| Birth Date: | 10 January 1866 |
| Birth Place: | Dublin, Ireland |
| Death Place: | Dublin, Ireland |
| Family: | Tim O'Brien (brother) |
| Batting: | Right-handed |
| Bowling: | Right-arm slow |
| Club1: | Ireland |
| Year1: | 1910 |
| Columns: | 1 |
| Column1: | First-class |
| Matches1: | 1 |
| Runs1: | 7 |
| Bat Avg1: | 3.50 |
| 100S/50S1: | –/– |
| Top Score1: | 4 |
| Hidedeliveries: | true |
| Catches/Stumpings1: | 1/– |
| Date: | 21 October |
| Year: | 2018 |
| Source: | http://www.espncricinfo.com/ireland/content/player/24480.html Cricinfo |
John George O'Brien (10 January 1866 - 15 August 1920) was an Irish first-class cricketer.
O'Brien was born at Dublin in January 1866, the son of Timothy O'Brien and Mary O'Dwyer.[1] He was educated at the Catholic Downside School in England.[2] He served in the British Army with the Royal Monmouthshire Royal Engineers, Royal Field Artillery, and the King's Shropshire Light Infantry, reaching the rank of captain.[1] He made one appearance in first-class cricket for Ireland against Scotland at Dublin in 1910 at the age of 43, when he was called up to play as a late replacement for Robert St Leger Fowler.[2] [3] He was dismissed by John Bruce Lockhart for 4 runs in Ireland's first-innings, while in their second-innings he was dismissed by Robert Tait for 3 runs.[4] His brother, Tim O'Brien, played Test cricket for England.