Surname Checker / Oneill
How Common Is the Last Name Oneill?
Estimated U.S. bearers of the surname Oneill today
55,392
Ranked #689 of 162,254 published surnames · 16.96 per 100,000 Americans (2010 Census) · 50,028 bearers counted in 2010, scaled to today's population.
Ancestry breakdown reported in the 2010 Census
White
92.67%
Black
0.94%
Asian / Pacific Islander
0.77%
Hispanic
3.99%
Percentages are the Census Bureau's published figures for surname bearers in 2010. Figures are estimates from public records — see the methodology page.