Rex vs Case

Baby Name Comparison — 2026

Rex

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Boy #723 Most Popular 1 Syllable

"maker of cases or boxes"

Origin: Old French casse/Latin capsa

American English

✓ All Clear

Rex Rank #793

Case Rank #723

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

Is Rex or Case more popular?

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

What do Rex and Case mean?

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

Are Rex and Case boy or girl names?

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