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42,106
people in the U.S. have this name View Mcwilliams on WhitePages Raquote

Meaning & Origins

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.
981st in the U.S.

Nicknames & variations

Quick facts

Tens of Thousands
of people in the U.S have this name
42,106
to be exact
Mississippi
has the most people named Mcwilliams per capita

Top state populations

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