Rex vs Cal

Baby Name Comparison — 2026

Rex

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Boy #671 Most Popular 1 Syllable

"bald (short for Calvin from Latin Calvinus)"

Origin: Latin

American English Scottish

✓ All Clear

Rex Rank #793

Cal Rank #671

Cal is more popular, ranked #671 vs #793 for Rex.

Is Rex or Cal more popular?

Cal is more popular, ranked #671 compared to Rex at #793 in the United States.

What do Rex and Cal mean?

Rex means "king" (Latin origin). Cal means "bald (short for Calvin from Latin Calvinus)" (Latin origin).

Are Rex and Cal boy or girl names?

Rex is primarily a boy name. Cal is primarily a boy name.