Allister 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

Allister Rank #2,601
Liam Rank #1

Liam is more popular, ranked #1 vs #2601 for Allister.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Allister ___

  • Allister James
  • Allister Reid
  • Allister Grant
  • Allister Scott
  • Allister Ross
  • Allister Graham

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 Allister

Callum Angus Fiona Catriona Duncan

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 Allister or Liam more popular?

Liam is more popular, ranked #1 compared to Allister at #2601 in the United States.

What do Allister and Liam mean?

Allister means "defender of men" (Greek via Scottish Gaelic origin). Liam means "strong-willed warrior" (Irish origin).

Are Allister and Liam boy or girl names?

Allister is primarily a boy name. Liam is primarily a boy name.

More Comparisons

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