| Full name: | Gerard O'Brien |
| Relations: | Brother: P O'Brien; Brother: C O'Brien; Father: BA O'Brien; Sister: CM O'Brien |
| Teams: | Railway Union (Irish Senior Cup: 2003-2012); Railway Union (Leinster League: 2005); Railway Union (Leinster Cups: 2001-2002); Railway Union (Leinster Twenty20: 2005); All teams |
| Lists of matches and more detailed statistics | |