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- Oneil - Last Name Meaning & Origin
Oneil
- Used in: 2 countries
Name Variants & Related
Popularity by Country
Oneil
Rank #1145
Frequency
28,020 people (10.39 per 100k)
Ethnic Distribution
White 89.68% Hispanic 1.87% Black 6.34% Asian/PI 0.47% Native Am. 0.37% Two+ 1.27%
Similar Names to Oneil
Last names that start with O, sorted by popularity.