Rex vs Rudy

Baby Name Comparison — 2026

Rex

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Boy #822 Most Popular 2 Syllables

"famous wolf"

Origin: Germanic

American English German Italian

✓ All Clear

Rex Rank #793

Rudy Rank #822

Rex is more popular, ranked #793 vs #822 for Rudy.

Is Rex or Rudy more popular?

Rex is more popular, ranked #793 compared to Rudy at #822 in the United States.

What do Rex and Rudy mean?

Rex means "king" (Latin origin). Rudy means "famous wolf" (Germanic origin).

Are Rex and Rudy boy or girl names?

Rex is primarily a boy name. Rudy is primarily a boy name.