Niall vs Oliver

Baby Name Comparison — 2026

Niall

Boy #1,586 Most Popular 1 Syllable

Meaning

"champion"

Origin: Old Irish

Cultural Roots

Irish Scottish English

Quick Stats

Popularity Rank
#1,586
Total SSA Count
109
Syllables
1
Formality
Moderate
Nicknames
Nia, Niy, Niie

Playground Safety Score

✓ All Clear
Full profile for Niall →

Popularity Comparison

Niall Rank #1,586
Oliver Rank #3

Oliver is more popular, ranked #3 vs #1586 for Niall.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Niall ___

  • Niall James
  • Niall Patrick
  • Niall Brendan
  • Niall Cormac
  • Niall Finn
  • Niall Declan

Oliver ___

  • Oliver James
  • Oliver Thomas
  • Oliver William
  • Oliver Henry
  • Oliver John
  • Oliver Benjamin

Sibling Name Ideas

Names that pair well as siblings.

If you choose Niall

Cormac Fionn Brigid Aoife Ciaran

If you choose Oliver

Olivia Charlotte Emma Sophia Amelia

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Niall or Oliver more popular?

Oliver is more popular, ranked #3 compared to Niall at #1586 in the United States.

What do Niall and Oliver mean?

Niall means "champion" (Old Irish origin). Oliver means "olive tree" (Latin origin).

Are Niall and Oliver boy or girl names?

Niall is primarily a boy name. Oliver is primarily a boy name.

More Comparisons

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← Full profile: Niall ← Full profile: Oliver Browse all baby names