Rio vs Kayce

Baby Name Comparison — 2026

Rio

Boy #517 Most Popular 2 Syllables

"river"

Origin: Spanish/Portuguese

Spanish Portuguese Brazilian American

✓ All Clear

Boy #420 Most Popular 2 Syllables

"alert, watchful, vigilant"

Origin: Irish Gaelic

American Irish

✓ All Clear

Rio Rank #517

Kayce Rank #420

Kayce is more popular, ranked #420 vs #517 for Rio.

Is Rio or Kayce more popular?

Kayce is more popular, ranked #420 compared to Rio at #517 in the United States.

What do Rio and Kayce mean?

Rio means "river" (Spanish/Portuguese origin). Kayce means "alert, watchful, vigilant" (Irish Gaelic origin).

Are Rio and Kayce boy or girl names?

Rio is primarily a boy name. Kayce is primarily a boy name.