Allan vs Liam

Baby Name Comparison — 2026

Allan

Boy #854 Most Popular 2 Syllables

Meaning

"rock, harmony"

Origin: Celtic/Brythonic

Cultural Roots

Scottish English French American

Quick Stats

Popularity Rank
#854
Total SSA Count
283
Syllables
2
Formality
Moderate
Nicknames
Al

Playground Safety Score

✓ All Clear
Full profile for Allan →

Popularity Comparison

Allan Rank #854
Liam Rank #1

Liam is more popular, ranked #1 vs #854 for Allan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Allan ___

  • Allan James
  • Allan Robert
  • Allan John
  • Allan Thomas
  • Allan Lee
  • Allan Scott

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 Allan

Colin Duncan Kenneth Ross Janet

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 Allan or Liam more popular?

Liam is more popular, ranked #1 compared to Allan at #854 in the United States.

What do Allan and Liam mean?

Allan means "rock, harmony" (Celtic/Brythonic origin). Liam means "strong-willed warrior" (Irish origin).

Are Allan and Liam boy or girl names?

Allan is primarily a boy name. Liam is primarily a boy name.

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