Brennan Family History
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Brennan Name Meaning
(predominantly southern) Anglicized form of Gaelic Ó Braonáin ‘descendant of Braonán’, a personal name from a diminutive of braon ‘moisture’, ‘drop’. Compare Breen. (predominantly northern) Anglicized form of Gaelic Ó Branáin ‘descendant of Branán’, a personal name meaning ‘little raven’ (see Brannigan).
Source: Dictionary of American Family Names ©2013, Oxford University Press
Similar surnames: Drennan, Greenan, Grennan, Bressan, Brenna, Grannan, Breihan, Brenton