Jefferson vs Rio

Baby Name Comparison — 2026

Jefferson

Boy #711 Most Popular 3 Syllables

"son of Jeffrey, son of God's peace"

Origin: Old English via Germanic

American English

✓ All Clear

Boy #517 Most Popular 2 Syllables

"river"

Origin: Spanish/Portuguese

Spanish Portuguese Brazilian American

✓ All Clear

Jefferson Rank #711

Rio Rank #517

Rio is more popular, ranked #517 vs #711 for Jefferson.

Is Jefferson or Rio more popular?

Rio is more popular, ranked #517 compared to Jefferson at #711 in the United States.

What do Jefferson and Rio mean?

Jefferson means "son of Jeffrey, son of God's peace" (Old English via Germanic origin). Rio means "river" (Spanish/Portuguese origin).

Are Jefferson and Rio boy or girl names?

Jefferson is primarily a boy name. Rio is primarily a boy name.