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The mcwilliams Surname

mcwilliams Name Meaning and History

Irish: Anglicized form of Gaelic Mac Uilleim, a patronymic from a Gaelicized form of William, with the redundant addition of English patronymic -s. In many cases it represents a partial Gaelicization of Welsh Williams.

Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
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The mcwilliams name in History

A unique volume of fascinating facts, statistics and commentary following the mcwilliams family name as far back in history as possible.

mcwilliams Family Facts

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Distribution of mcwilliams Families in the US in 1920
Number of mcwilliams families
 92-182
 31-91		 1-30
 0
Compiled by Ancestry.com from the 1920 US Federal Census records

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