Rex vs Aries

Baby Name Comparison — 2026

Rex

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Boy #701 Most Popular 3 Syllables

"the ram"

Origin: Latin

American Hispanic Astrological

✓ All Clear

Rex Rank #793

Aries Rank #701

Aries is more popular, ranked #701 vs #793 for Rex.

Is Rex or Aries more popular?

Aries is more popular, ranked #701 compared to Rex at #793 in the United States.

What do Rex and Aries mean?

Rex means "king" (Latin origin). Aries means "the ram" (Latin origin).

Are Rex and Aries boy or girl names?

Rex is primarily a boy name. Aries is primarily a boy name.