Origin & Meaning of the Oneil Surname
What does the last name Oneil mean?
The surname Oneil carries the meaning "Family name of European origin." It is derived from the European language and has been passed down through generations, reflecting the occupations, locations, or characteristics of early bearers of the name. With 28,949 bearers in the 2010 US Census, Oneil ranks as the #1,220 most common surname in the United States.
Where does the surname Oneil come from?
The Oneil surname has its roots in European heritage. Names of European origin often reflect the cultural, linguistic, and historical traditions of the communities where they first appeared. Over centuries, migration and cultural exchange have spread the Oneil name far beyond its original homeland.
Language of Origin
The linguistic roots of Oneil trace back to European. Understanding the original language helps decode the meaning and evolution of the name from its earliest recorded forms to the modern spelling used today.
Quick Facts
| Surname | Oneil |
|---|---|
| Meaning | Family name of European origin |
| Origin | European |
| Language | European |
| US Rank (2010) | #1,220 |
| US Count (2010) | 28,949 |
| Per 100K People | 9.81 |
| First Letter | O |
Ethnic Distribution of Oneil
According to the US Census, the Oneil surname is distributed across the following ethnic groups. This data reflects self-reported ethnicity among 28,949 Americans with the Oneil last name.
| Ethnicity | Percentage |
|---|---|
| White | 88.03% |
| Black | 6.46% |
| Hispanic | 2.67% |
| Asian/Pacific Islander | 0.55% |
| Native American | 0.51% |
| Two or More Races | 1.78% |
Popularity of Oneil Over Time
Comparing US Census data from 2000 and 2010 shows how the Oneil surname has changed in prevalence.
The number of Americans with the Oneil surname increased by 929 between 2000 and 2010.
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Other European Surnames
Explore more surnames with European roots. There are 162,254 surnames in our database — here are some that share the same European origin as Oneil.
Frequently Asked Questions About Oneil
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