Callaghan 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

Callaghan Rank #3,457
Liam Rank #1

Liam is more popular, ranked #1 vs #3457 for Callaghan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Callaghan ___

  • Callaghan James
  • Callaghan Patrick
  • Callaghan Sean
  • Callaghan Brendan
  • Callaghan Michael
  • Callaghan Thomas

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 Callaghan

Finnegan Declan Brigid Siobhan Kieran

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 Callaghan or Liam more popular?

Liam is more popular, ranked #1 compared to Callaghan at #3457 in the United States.

What do Callaghan and Liam mean?

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

Are Callaghan and Liam boy or girl names?

Callaghan is primarily a boy name. Liam is primarily a boy name.

More Comparisons

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