Donegan Family History
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Donegan Name Meaning
Irish: reduced Anglicized form of Gaelic Ó Donnagáin ‘descendant of Donnagán’, a personal name from a double diminutive of donn ‘brown-haired man’ or ‘chieftain’.
Source: Dictionary of American Family Names ©2013, Oxford University Press
Similar surnames: Donovan, Donnan, Donelan, Dungan, Dorgan, Lonergan, Ronan, Monahan