Family name origins & meanings
- Irish : Anglicized form of Gaelic Ó Cobhthaigh ‘descendant of Cobhthach’, a byname meaning ‘victorious’.
- Irish : Anglicized form of Gaelic Ó Cathbhadha ‘descendant of Cathbhadh’ (‘battle tent’), Ó Cathbhuadhaigh ‘descendant of Cathbhuadhach’ (‘battle victorious’), or Ó Cathmhogha ‘descendant of Cathmhugh’, a byname meaning ‘battle slave’.