Rex vs Zack

Baby Name Comparison — 2026

Rex

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Boy #1,388 Most Popular 1 Syllable

"God has remembered"

Origin: Hebrew

English American Hebrew

✓ All Clear

Rex Rank #793

Zack Rank #1,388

Rex is more popular, ranked #793 vs #1388 for Zack.

Is Rex or Zack more popular?

Rex is more popular, ranked #793 compared to Zack at #1388 in the United States.

What do Rex and Zack mean?

Rex means "king" (Latin origin). Zack means "God has remembered" (Hebrew origin).

Are Rex and Zack boy or girl names?

Rex is primarily a boy name. Zack is primarily a boy name.