Background
He was born at Galway, County Galway.
He was born at Galway, County Galway.
O'Brien was a right-handed batsman. O'Brien made his first-class debut for Ireland in 1966 against Scotland. From 1966 to 1981, he represented Ireland in 11 first-class matches, the last of which came against Scotland.
In his 11 first-class matches, he scored 319 runs at a batting average of 19.93, with a high score of 45*. O'Brien represented Ireland in 2 List A matches. The first came in the 1980 Gillette Cup against Middlesex with the second coming in the 1981 NatWest Trophy against Gloucestershire.
O'Brien scored just 2 runs in his 2 List A matches, averaging 1.00. O'Brien is the father of Niall and Kevin O'Brien, both of whom play One Day International and Twenty20 International cricket for Ireland. Niall has a county contract with Northamptonshire.
In the 2011 World Cup in India, Kevin broke the world record for the fastest century in a World Cup, which he made from just 50 balls.