Rex vs Leroy

Baby Name Comparison — 2026

Rex

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Boy #864 Most Popular 2 Syllables

"the king"

Origin: Old French

French African American English

✓ All Clear

Rex Rank #793

Leroy Rank #864

Rex is more popular, ranked #793 vs #864 for Leroy.

Is Rex or Leroy more popular?

Rex is more popular, ranked #793 compared to Leroy at #864 in the United States.

What do Rex and Leroy mean?

Rex means "king" (Latin origin). Leroy means "the king" (Old French origin).

Are Rex and Leroy boy or girl names?

Rex is primarily a boy name. Leroy is primarily a boy name.