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O Tuama, Seán
O' Brien, Helen
O' Brien, Maja
O' Casey, Sean
O' Connor, Flannery
O' Hara, Catherine (actriță)
O' Hara, Frank
O' Hara, Shelley
O' Leary, Elisabeth
O' Leary, Peter
O' Neill, Eugene
O' Neill, Robert
O' toole, Ceaser
O'Brien, Claire
O'Brien, Cormac
O'Brien, Declan (regizor)
O'Brien, Dominic
de 8 ori campion mondial la concursurile de memorare
O'Brien, Dylan (actor)
O'Brien, Edna
O'Brien, Joan (actriţă)
O'Brien, John
O'Brien, Marie
O'Brien, Robert C.
O'Brien, Tim
O'Byrne, Chelsea
O'Byrne, Nicola
O'Casey, Sean
O'Connell, J.P.
O'Connell, Jessica Beth
O'Connell, Vicent D.
O'Connor, Gavin (regizor)
O'Connor, Jane
O'Connor, Joseph
O'Connor, Scott V.C.
O'Connor, William
O'Dell, Scot
O'Donnell, Cyril
O'Donoghue, Caroline
O'Dowd, Chris
O'Farrell, John
O'Farrell, Maggie
O'Hanlon, Mark
O'Hara, John
O'Hara, Lauren
O'Leary, Beth
O'Malley, Bryan Lee
O'Malley, Stella
O'Meara, Barry Edward
O'Neal, Barbara
O'Neal, Ryan (actor)
O'Neill, Andrew
O'Neill, Kelly
O'Porter, Dawn
O'Reilly, Elaine
O'Reilly, Jane
O'Shea, Ellie
O'Sullivan, Ronnie
O'Sullivan, Ronald Antonio
O'Toole, Kristen
O.A.
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