Karlos vs Theodore

Baby Name Comparison — 2026

Karlos

Boy #4,821 Most Popular 2 Syllables

Meaning

"free man, man"

Origin: Germanic

Cultural Roots

Spanish Latin American Portuguese Basque

Quick Stats

Popularity Rank
#4,821
Total SSA Count
21
Syllables
2
Formality
Moderate
Nicknames
Karl, Karlo, Los

Playground Safety Score

✓ All Clear
Full profile for Karlos →

Popularity Comparison

Karlos Rank #4,821
Theodore Rank #4

Theodore is more popular, ranked #4 vs #4821 for Karlos.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Karlos ___

  • Karlos Andres
  • Karlos Miguel
  • Karlos Antonio
  • Karlos Luis
  • Karlos Eduardo
  • Karlos Rafael

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 Karlos

Diego Alejandro Sofia Isabella Marco

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 Karlos or Theodore more popular?

Theodore is more popular, ranked #4 compared to Karlos at #4821 in the United States.

What do Karlos and Theodore mean?

Karlos means "free man, man" (Germanic origin). Theodore means "divine gift" (Greek origin).

Are Karlos and Theodore boy or girl names?

Karlos is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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