An Irish surname, anglicized from the Gaelic Ó Dochartaigh, meaning 'descendant of Dochartach.' Common in Ireland and among Irish diaspora communities, particularly in the United States.
From Irish Gaelic 'Ó Dochartaigh,' where 'Ó' means 'grandson/descendant of' and 'Dochartach' possibly means 'obstructive' or 'hurtful.' The name originated in County Donegal, Ireland, and was anglicized in various forms including Doherty, Dockerty, and Dougherty.
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