as a Last Name
- 19,585
- people in the U.S. have this name View all people named Mcwilliams
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.
| 1,580th in the U.S. for 2011 |
Nicknames & variations
Mcwilliam, Mcwillams, Mcwilson, Mcwithey, Mcwiluams, Mcwiliams, Mcwillis, Mcwillie, Mcwillians, Mckillion
Quick facts
- Thousands
- of people in the U.S have this name
- 19,585
- to be exact (as of February 2011)
- Mississippi
- has the most people named Mcwilliams per capita
Top state populations
U.S. Distribution Map
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