Galligan Family History
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Galligan Name Meaning
Southern Irish: reduced Anglicized form of Gaelic Ó Gealagáin ‘descendant of Gealagán’, a personal name from a double diminutive of geal ‘bright’, ‘white’.
Source: Dictionary of American Family Names ©2013, Oxford University Press
Similar surnames: Halligan, Gilligan, Gillian, Gallivan, Nelligan, Milligan, Hallinan