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Updated June 9, 2019

Family name origins & meanings

  • Irish : Anglicized form of Gaelic Mac Maghnuis, patronymic from a Gaelic form of the Scandinavian personal name Magnus. As an Irish name this is found chiefly in Roscommon and Fermanagh and is connected with the O’Connors or the Maguires; in Scotland it is connected with the Colquhouns.

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