Cullen vs Liam

Baby Name Comparison — 2026

Cullen

Boy #1,131 Most Popular 2 Syllables

Meaning

"at the holly trees"

Origin: Irish Gaelic

Cultural Roots

Irish Scottish American

Quick Stats

Popularity Rank
#1,131
Total SSA Count
187
Syllables
2
Formality
Moderate
Nicknames
Cull, Cully

Playground Safety Score

✓ All Clear
Full profile for Cullen →

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

Cullen Rank #1,131
Liam Rank #1

Liam is more popular, ranked #1 vs #1131 for Cullen.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cullen ___

  • Cullen James
  • Cullen Patrick
  • Cullen Thomas
  • Cullen Edward
  • Cullen Michael
  • Cullen Reid

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 Cullen

Emmett Jasper Alice Rosalie Esme

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 Cullen or Liam more popular?

Liam is more popular, ranked #1 compared to Cullen at #1131 in the United States.

What do Cullen and Liam mean?

Cullen means "at the holly trees" (Irish Gaelic origin). Liam means "strong-willed warrior" (Irish origin).

Are Cullen and Liam boy or girl names?

Cullen is primarily a boy name. Liam is primarily a boy name.

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