Updated June 9, 2019

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Family name origins & meanings

  • Irish : variant of Dermond, a reduced Anglicized form of Gaelic Ó Duibhdhiorma ‘descendant of Duibhdhiorma’ a personal name meaning ‘black trooper’ (see Dormer 3). There has been some confusion between the personal names Duibhdhiorma and Diarmaid, so that Dearmond alternates with McDermott.