Muldoon Family History
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Muldoon Name Meaning
Irish: Anglicized form of Gaelic Ó Maoldúin ‘descendant of Maoldúin’, a personal name composed of the elements maol ‘chieftain’ + dún ‘fortress’. This is a name associated with Fermanagh, Sligo, and Munster.
Source: Dictionary of American Family Names ©2013, Oxford University Press