Back to Baby Names

Caio vs Romulus

Baby Name Comparison — 2026

Caio

Boy #3,730 Most Popular 3 Syllables

Meaning

"to rejoice, to be glad"

Origin: Latin

Cultural Roots

Brazilian Portuguese Italian Roman

Quick Stats

Popularity Rank
#3,730
Total SSA Count
30
Syllables
3
Formality
Moderate

Playground Safety Score

All Clear

Similar Names

Popularity Comparison

Caio Rank #3,730
Romulus Rank #3,662

Romulus is more popular, ranked #3662 vs #3730 for Caio.

Frequently Asked Questions

Is Caio or Romulus more popular?

Romulus is more popular, ranked #3662 compared to Caio at #3730 in the United States.

What do Caio and Romulus mean?

Caio means "to rejoice, to be glad" (Latin origin). Romulus means "of Rome, strength" (Latin origin).

Are Caio and Romulus boy or girl names?

Caio is primarily a boy name. Romulus is primarily a boy name.

More Comparisons