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Home › Baby Names Directory › Oniel

Oniel

♂ Boy

Pronounced oh-NEEL /oʊˈniːl/Medium

Meaning: A spelling of the Irish O'Neil/O'Neill, 'descendant of Niall' — Niall meaning 'champion' or 'cloud.' A strong surname-and-clan name in one word.Low

In 30 seconds: A form of O'Neil: Oniel means 'descendant of Neil (champion; cloud)' (said 'oh-NEEL'). Strong and Irish.
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Origin MediumIrish
MeaningA spelling of the Irish O'Neil/O'Neill, 'descendant of Niall' — Niall meaning 'champion' or 'cloud.' A strong surname-and-clan name in one word.
U.S. rank (2024)#10599 ↘ Falling
2024 U.S. births7 boys (0.00% of U.S. boys)
Peak year1993
Total births (all-time)≈ 246

Popularity in the U.S. · SSA data

peak 199319132024

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Oniel is a spelling of O'Neil/O'Neill, from the Irish for 'descendant of Niall,' a legendary high-king name meaning 'champion' or 'cloud.' It reads strong and Irish — rare in the U.S. (said 'oh-NEEL').

In the U.S. it appears rarely, next to O'Neil. Rare, clan-rooted, and strong.

Did you know? Oniel respells the Irish O'Neil/O'Neill, 'descendant of Niall' ('champion' or 'cloud') — a strong clan-and-surname name written as one word (said 'oh-NEEL').
Overall data confidence 48%
References — Oniel — spelling of O'Neil; 'descendant of Niall'

Variations

O'NeilO'NeillOneal

Nicknames

NeilOni

Famous Bearers

  • Famous bearers coming soon.

If you like Oniel…

Neil— the root name within it
Oneal— a like O'Neal spelling
Donovan— a like strong Irish name
Finnian— a like Irish clan-rooted pick

Explore names like Oniel

By themeirishsurnamestrongclan
By meaningStrength

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Frequently Asked

What does the name Oniel mean?

Oniel is a spelling of O'Neil/O'Neill, Irish for 'descendant of Niall' ('champion; cloud').

How do you pronounce Oniel?

It's said oh-NEEL /oʊˈniːl/ — two syllables, stress on the second.

Is Oniel a boy or girl name?

Oniel is a boy's name.

How popular is Oniel?

Oniel is a rare name in the U.S.

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