Updated June 9, 2019

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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’.