Costas 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

Costas Rank #17,353
Liam Rank #1

Liam is more popular, ranked #1 vs #17353 for Costas.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Costas ___

No pairings available yet.

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 Costas

No sibling data available yet.

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 Costas or Liam more popular?

Liam is more popular, ranked #1 compared to Costas at #17353 in the United States.

What do Costas and Liam mean?

Liam means "strong-willed warrior" (Irish origin).

Are Costas and Liam boy or girl names?

Costas is primarily a boy name. Liam is primarily a boy name.

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