How Common Is the Last Name Oneil?

Estimated U.S. bearers of the surname Oneil today

32,053

Ranked #1,220 of 162,254 published surnames · 9.81 per 100,000 Americans (2010 Census) · 28,949 bearers counted in 2010, scaled to today's population.

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Ancestry breakdown reported in the 2010 Census

White

88.03%

Black

6.46%

Asian / Pacific Islander

0.55%

Hispanic

2.67%

Percentages are the Census Bureau's published figures for surname bearers in 2010. Figures are estimates from public records — see the methodology page.