Popularity of the last name by country

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Origine of last name

DUNCAN : 1: Scottish: from the Older Scots personal name Dunecan itself from the traditional Irish royal name Donnchad(h) derived from donn ‘brown-haired’ + cath ‘battle’. Judging by the Scots form the Scottish Gaelic intermediary seems to have been understood as containing ceann ‘head’ as if the whole name meant ‘brown head’; compare sense 2. In Ireland the name was Anglicized as Donagh or Donaghue. Compare <a href="https://en.geneanet.org/surnames/Donahue">Donahue</a>.2: Irish: 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’.

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