O'mahoney Family History
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O'mahoney Name Meaning
Irish: Anglicized form of Gaelic Ó Mathghamhna ‘descendant of Mathghamhain’ (see Mahoney). There are two families of this name, in Cork and Ulster, but the Ulster family name was usually Anglicized as McMahon.
Source: Dictionary of American Family Names ©2013, Oxford University Press
Similar surnames: Mahoney, Mcmahon, Mahon, Malone, O'kane, Maloney, Mooney, Moroney