Mark O'Brien is the brother of Jamie O'Brien (Bluebell United AFC).
Mark O'Brien is the cousin of Cliff Byrne (Assistant Manager Doncaster Rovers).
Mark O'Brien
- Date of birth/Age: Nov 20, 1992 (31)
- Place of birth: Dublin
- Citizenship: Ireland
- Height: 1,85 m
- Position: Centre-Back
- Former International: Ireland U21
- Caps/Goals: 0 / 0
Currently working as:
Club representative
Club:
Newport County
Further information