Surname Checker / Williamson
How Common Is the Last Name Williamson?
Estimated U.S. bearers of the surname Williamson today
127,285
Ranked #267 of 162,254 published surnames · 38.97 per 100,000 Americans (2010 Census) · 114,959 bearers counted in 2010, scaled to today's population.
Ancestry breakdown reported in the 2010 Census
White
77.17%
Black
17.41%
Asian / Pacific Islander
0.5%
Hispanic
2.27%
Percentages are the Census Bureau's published figures for surname bearers in 2010. Figures are estimates from public records — see the methodology page.