Coby vs Niall

Baby Name Comparison — 2026

Coby

Boy #1,590 Most Popular 2 Syllables

Meaning

"supplanter, one who replaces another"

Origin: Hebrew

Cultural Roots

American English Australian

Quick Stats

Popularity Rank
#1,590
Total SSA Count
108
Syllables
2
Formality
Casual
Nicknames
Cobe

Playground Safety Score

✓ All Clear
Full profile for Coby →

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

Coby Rank #1,590
Niall Rank #1,586

Niall is more popular, ranked #1586 vs #1590 for Coby.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Coby ___

  • Coby James
  • Coby Lee
  • Coby Blake
  • Coby Dean
  • Coby Ray
  • Coby Cole

Niall ___

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

Sibling Name Ideas

Names that pair well as siblings.

If you choose Coby

Taylor Brooklyn Harper Jaxon Riley

If you choose Niall

Cormac Fionn Brigid Aoife Ciaran

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Coby or Niall more popular?

Niall is more popular, ranked #1586 compared to Coby at #1590 in the United States.

What do Coby and Niall mean?

Coby means "supplanter, one who replaces another" (Hebrew origin). Niall means "champion" (Old Irish origin).

Are Coby and Niall boy or girl names?

Coby is primarily a boy name. Niall is primarily a boy name.

More Comparisons

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