Rex vs Avi

Baby Name Comparison — 2026

Rex

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Boy #846 Most Popular 2 Syllables

"father figure, patriarch"

Origin: Hebrew

Hebrew Israeli American Indian

✓ All Clear

Rex Rank #793

Avi Rank #846

Rex is more popular, ranked #793 vs #846 for Avi.

Is Rex or Avi more popular?

Rex is more popular, ranked #793 compared to Avi at #846 in the United States.

What do Rex and Avi mean?

Rex means "king" (Latin origin). Avi means "father figure, patriarch" (Hebrew origin).

Are Rex and Avi boy or girl names?

Rex is primarily a boy name. Avi is primarily a boy name.