Callahan vs Liam

Baby Name Comparison — 2026

Liam

Boy #1 Most Popular 2 Syllables

Meaning

"strong-willed warrior"

Origin: Irish

Cultural Roots

Irish English American

Quick Stats

Popularity Rank
#1
Total SSA Count
22,164
Syllables
2
Formality
Moderate
Nicknames
Lee

Playground Safety Score

✓ All Clear
Full profile for Liam →

Popularity Comparison

Callahan Rank #364
Liam Rank #1

Liam is more popular, ranked #1 vs #364 for Callahan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Callahan ___

  • Callahan James
  • Callahan Patrick
  • Callahan Thomas
  • Callahan Joseph
  • Callahan Sean
  • Callahan Michael

Liam ___

  • Liam James
  • Liam Alexander
  • Liam Thomas
  • Liam Michael
  • Liam Patrick
  • Liam Joseph

Sibling Name Ideas

Names that pair well as siblings.

If you choose Callahan

Brennan Delaney Riordan Aoife Fiona

If you choose Liam

Olivia Emma Noah Charlotte Sophia

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 Callahan or Liam more popular?

Liam is more popular, ranked #1 compared to Callahan at #364 in the United States.

What do Callahan and Liam mean?

Callahan means "lover of churches" (Irish Gaelic origin). Liam means "strong-willed warrior" (Irish origin).

Are Callahan and Liam boy or girl names?

Callahan is primarily a boy name. Liam is primarily a boy name.

More Comparisons

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← Full profile: Callahan ← Full profile: Liam Browse all baby names