Rex vs Kase

Baby Name Comparison — 2026

Rex

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Boy #967 Most Popular 1 Syllable

"watchful, vigilant (via Casey)"

Origin: Irish Gaelic Cathasaigh

American English

✓ All Clear

Rex Rank #793

Kase Rank #967

Rex is more popular, ranked #793 vs #967 for Kase.

Is Rex or Kase more popular?

Rex is more popular, ranked #793 compared to Kase at #967 in the United States.

What do Rex and Kase mean?

Rex means "king" (Latin origin). Kase means "watchful, vigilant (via Casey)" (Irish Gaelic Cathasaigh origin).

Are Rex and Kase boy or girl names?

Rex is primarily a boy name. Kase is primarily a boy name.