Definition of "Williamson"

An Scottish and English surname originating as a patronymic from William +‎ -son.  examples

An Irish surname originating as a patronymic, an adopted anglicization of Mac Uilliam (McWilliam)  examples

A locale in the United States.

1. A city in Georgia; named for early settler Isaac Henry Williamson.  examples

2. A city in Iowa; named for founder George E. Williamson.  examples

3. A city, the county seat of Mingo County, West Virginia; named for landowner Wallace J. Williamson.  examples

4. A town in New York; named for landowner Charles Williamson.  examples

5. A village in Illinois; named for landowners John and Matthew Williamson.  examples

6. A census-designated place in Arizona.  examples