Liam vs Theodorus

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
Theodorus Rank #6,307

Liam is more popular, ranked #1 vs #6307 for Theodorus.

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

Theodorus ___

  • Theodorus James
  • Theodorus William
  • Theodorus Charles
  • Theodorus Finn
  • Theodorus Miles
  • Theodorus August

Sibling Name Ideas

Names that pair well as siblings.

If you choose Liam

Olivia Emma Noah Charlotte Sophia

If you choose Theodorus

Cornelius Maximilian Archibald Seraphina Valentina

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 Theodorus more popular?

Liam is more popular, ranked #1 compared to Theodorus at #6307 in the United States.

What do Liam and Theodorus mean?

Liam means "strong-willed warrior" (Irish origin). Theodorus means "gift of God" (Ancient Greek origin).

Are Liam and Theodorus boy or girl names?

Liam is primarily a boy name. Theodorus is primarily a boy name.

More Comparisons

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