Surname Checker / Sinclair
How Common Is the Last Name Sinclair?
Estimated U.S. bearers of the surname Sinclair today
30,164
Ranked #1,290 of 162,254 published surnames · 9.24 per 100,000 Americans (2010 Census) · 27,243 bearers counted in 2010, scaled to today's population.
Ancestry breakdown reported in the 2010 Census
White
73.01%
Black
19.94%
Asian / Pacific Islander
0.66%
Hispanic
3.81%
Percentages are the Census Bureau's published figures for surname bearers in 2010. Figures are estimates from public records — see the methodology page.