 |  O’Halloran, Bethany  Actress |
|
 |  O’Hanlon, Ardal  Actor | |
 |  O’Hara, Emelie  Actress | |
 |  O’Hare, Aidan  Actor | |
 |  O’Hare, Jim  Actor | |
 |  O’Kane, Conor  Actor | |
 |  O’Leary, Helen  Actress | |
 |  O’Loan, Mary  Actress | |
 |  O’loughlin, Rose  Actress | |
 |  O’Mahony, Benjamin  Actor | |
 |  O’Mara, Rebecca  Actress | |
 |  O’Meara, David  Actor | |
 |  O’Neal, Jamie  Singer | |
 |  O’Neill, Ann  Actress | |
 |  O’Neill, Brian  NFL Player | |
 |  O’Neill, Eimear  Actress | |
 |  O’Neill, Kim  Actress | |
 |  O’Neill, Steve  Actor | |
 |  O’Reilly, Ian  Actor | |
 |  O’reilly, Steve  Actor | |
 |  O’Rourke, John  Actor | |
 |  O’Rourke, Toni  Actress | |
 |  O’Shea, Ashling  Actress | |
 |  O’Shun, Ayana  Actress | |
 |  O’sullivan, Brian James  Actor | |
 |  O’Sullivan, Gilbert  Singer / Songwriter | |
 |  O’Sullivan, Richard  Actor | |
 |  O’Toole, Jeff  Actor | |