Callahan vs Rio

Baby Name Comparison — 2026

Callahan

Boy #364 Most Popular 3 Syllables

"lover of churches"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Boy #517 Most Popular 2 Syllables

"river"

Origin: Spanish/Portuguese

Spanish Portuguese Brazilian American

✓ All Clear

Callahan Rank #364

Rio Rank #517

Callahan is more popular, ranked #364 vs #517 for Rio.

Is Callahan or Rio more popular?

Callahan is more popular, ranked #364 compared to Rio at #517 in the United States.

What do Callahan and Rio mean?

Callahan means "lover of churches" (Irish Gaelic origin). Rio means "river" (Spanish/Portuguese origin).

Are Callahan and Rio boy or girl names?

Callahan is primarily a boy name. Rio is primarily a boy name.