Rex vs Otis

Baby Name Comparison — 2026

Rex

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Boy #733 Most Popular 2 Syllables

"wealth, fortune"

Origin: Germanic

Germanic English American

✓ All Clear

Rex Rank #793

Otis Rank #733

Otis is more popular, ranked #733 vs #793 for Rex.

Is Rex or Otis more popular?

Otis is more popular, ranked #733 compared to Rex at #793 in the United States.

What do Rex and Otis mean?

Rex means "king" (Latin origin). Otis means "wealth, fortune" (Germanic origin).

Are Rex and Otis boy or girl names?

Rex is primarily a boy name. Otis is primarily a boy name.