Liam vs Theodore

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

Liam Rank #1
Theodore Rank #4

Liam is more popular, ranked #1 vs #4 for Theodore.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Liam ___

  • Liam James
  • Liam Alexander
  • Liam Thomas
  • Liam Michael
  • Liam Patrick
  • Liam Joseph

Theodore ___

  • Theodore James
  • Theodore William
  • Theodore Alexander
  • Theodore John
  • Theodore Henry
  • Theodore Arthur

Sibling Name Ideas

Names that pair well as siblings.

If you choose Liam

Olivia Emma Noah Charlotte Sophia

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

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 Liam or Theodore more popular?

Liam is more popular, ranked #1 compared to Theodore at #4 in the United States.

What do Liam and Theodore mean?

Liam means "strong-willed warrior" (Irish origin). Theodore means "divine gift" (Greek origin).

Are Liam and Theodore boy or girl names?

Liam is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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