How Common Is the Surname Williamson?
The surname Williamson is the #267 most common last name in the United States, with an estimated 130,898 bearers. That's about 1 in 2,566 Americans. This data comes from the 2010 U.S. Census Bureau surname frequency tables.
This page covers the Williamson surname's frequency in the U.S. population, its rank among all American surnames, and a breakdown of ancestry and ethnicity data from the Census. You can also check how many people share any first + last name combination involving Williamson.
Estimated Americans with this Surname
130,898
About 1 in 2,566 people in the U.S.
Census Rank
#267
Frequency Rate
38.97
per 100,000 people
Census Count
114,959
2010 Census
Data Source
2010
U.S. Census Bureau
Ancestry and Ethnicity for Williamson
The Williamson surname is most commonly associated with people who identify as White (77.17%). The next largest groups are Black (17.41%) and Hispanic (2.27%).
Self-reported race and ethnicity from the 2010 U.S. Census Bureau surname tables. Some categories may be suppressed for privacy when sample sizes are small.
How Many People Are Named ... Williamson?
Pair the Williamson surname with a first name to estimate how many people share that full name in the United States.
Williamson Surname: Questions and Answers
How common is the last name Williamson?
Williamson is the #267 most common surname in the United States, with an estimated 130,898 people sharing this last name. It appears at a rate of 38.97 per 100,000 Americans.
What ethnicity is the surname Williamson?
The Williamson surname is most commonly associated with people who identify as White (77.17%). The next largest groups are Black (17.41%) and Hispanic (2.27%). This data comes from the 2010 U.S. Census Bureau surname tables, which include self-reported race and ethnicity breakdowns.
How many people named [First Name] Williamson are there?
We can estimate any first + last name combination. Popular examples: Michael Williamson, James Williamson, John Williamson. Search any combination on our homepage.
Where does this surname data come from?
Surname frequency data comes from the 2010 U.S. Census Bureau decennial surname tables. These list every surname appearing in the Census along with frequency rates and demographic breakdowns. Full methodology.
Search for a full name combination
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