Rio vs Dalton

Baby Name Comparison — 2026

Rio

Boy #517 Most Popular 2 Syllables

"river"

Origin: Spanish/Portuguese

Spanish Portuguese Brazilian American

✓ All Clear

Boy #433 Most Popular 2 Syllables

"from the valley town"

Origin: Old English

English American

✓ All Clear

Rio Rank #517

Dalton Rank #433

Dalton is more popular, ranked #433 vs #517 for Rio.

Is Rio or Dalton more popular?

Dalton is more popular, ranked #433 compared to Rio at #517 in the United States.

What do Rio and Dalton mean?

Rio means "river" (Spanish/Portuguese origin). Dalton means "from the valley town" (Old English origin).

Are Rio and Dalton boy or girl names?

Rio is primarily a boy name. Dalton is primarily a boy name.