O'Brien, Ó Briain
MacBrody, MacBruaideadha
Bruodin, Brodin, Broderick, Ó Bruadair
MacClancy, MacFlannacadha
O'Cleary, Clery, MacCleary, Ó Cleirigh
O'Connor, O'Conor, Ó Conchobhair
Considine, MacConsaidín
O'Daly, Daly, Ó Dálaigh
O'Davoran, O'Davoren, Ó Dabhoireann
O'Dea, O'Day, O'Dee, Ó Deághaidh
O'Grady, Ó Grádaigh, Ó Gráda
McGrath, MacCraith
O'Halloran, Halloran, Ó h-Allmhurain
O'Hickey, Ó hIceada
Hogan, O'Hogan, Ó hOgáin
Hynes, Hines, O'Heyne, Ó h-Eidhin
MacInerney, MacEnery, MacKinery
Kennedy, O'Kennedy, Ó Cinnéide
O'Loughlin, O'Loghlen, O'Loughlen, Loghlen
MacMahon, MacMathúna
O'Molony, O'Moloney, Molony, Ó Maoldomhnaigh
O'Mulconry, Ó Maolconaire
MacNamara, MacConmara