Duncan Family History
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Duncan Name Meaning
Scottish and Irish (of Scottish origin): from the Gaelic personal name Donnchadh, composed of the elements donn ‘brown-haired man’ or ‘chieftain’ + a derivative of cath ‘battle’, Anglicized in Ireland as Donagh or Donaghue. Compare Donahue. Irish (Sligo): used as an Anglicized equivalent of Gaelic Ó Duinnchinn ‘descendant of Donncheann’, a byname composed of the elements donn ‘brown-haired man’ or ‘chieftain’ + ceann ‘head’.
Source: Dictionary of American Family Names ©2013, Oxford University Press