Case vs Rex

Baby Name Comparison — 2026

Case

Boy #723 Most Popular 1 Syllable

"maker of cases or boxes"

Origin: Old French casse/Latin capsa

American English

✓ All Clear

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Case Rank #723

Rex Rank #793

Case is more popular, ranked #723 vs #793 for Rex.

Is Case or Rex more popular?

Case is more popular, ranked #723 compared to Rex at #793 in the United States.

What do Case and Rex mean?

Case means "maker of cases or boxes" (Old French casse/Latin capsa origin). Rex means "king" (Latin origin).

Are Case and Rex boy or girl names?

Case is primarily a boy name. Rex is primarily a boy name.