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Oneil
BoyMeaning of Oneil: Irish: 'champion'
Oneil is a boy's name most strongly associated with Irish naming. It has 5 letters and 2 syllables, and it is a genuinely rare and unique choice — 9596th most popular boys' name in the United States in 2025.
US rank 2025
#9596
7 babies in 2025
England & Wales 2024
—
Fewer than 3 babies or unlisted
US babies since 1880
1,774
First recorded 1892 · peak 1924
Trend
stable
Style: rare
Popularity over time
Gender split
99% boys · 1% girls, based on US, UK and international usage.
Origins & cultures
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