as a Last Name
- 23,032
- people in the U.S. have this name Get contact details for 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.
| 1,574th in the U.S. for 2011 |
Nicknames & variations
Mcwilliam, Mcwillams, Mcwilson, Mcwithey, Mcwiluams, Mcwiliams, Mcwillis, Mcwillie, Mcwillians, Mckillion
Quick facts
- Tens of Thousands
- of people in the U.S have this name
- 23,032
- to be exact (as of February 2011)
- Mississippi
- has the most people named Mcwilliams per capita
Top state populations
U.S. Distribution Map