LAST NAME · 2020 CENSUS
Oneill
Oneill is the 673rd most common last name in the United States. In the 2020 Census, 49,365 people carried it — about 16.5 of every 100,000 people. Most people named Oneill are White.
WHO CARRIES THIS NAME · 2020
White89.8%
Hispanic5.2%
Multiracial2.8%
Black1.1%
Asian American0.9%
Native American0.2%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#768
39,794
2000
#633
48,656
2010
#689
50,028
2020
#673
49,365