Mcwilliam Family History
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Mcwilliam Name Meaning
Scottish and northern Irish: Anglicized form of Gaelic Mac Uilleim, a patronymic from a Gaelicized form of William, frequently Anglicized as Williamson. Northern Irish: variant of McQuillan.
Source: Dictionary of American Family Names ©2013, Oxford University Press
Similar surnames: Mcwilliams, Mckillip, Mcgill, Mcmillan, Mcgillis, Mcmillin, Mccollum