Last name: MCWILLIAM

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All you have to know about the last name MCWILLIAM

Last name frequency

MCWILLIAM : This last name is indexed 17,818 times on Geneanet!

Origin of last name

MCWILLIAM : Scottish and Irish: Anglicized form of Gaelic Mac Uilleim a patronymic from a Gaelicized form of William also Anglicized as Williamson in Scotland. The name is thought to be mainly Scottish in Ulster though there has been some confusion with McQuillan in County Down. In Connacht McWilliam was a branch of Burke.

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