Cannon vs Rex

Baby Name Comparison — 2026

Cannon

Boy #766 Most Popular 2 Syllables

"large gun, artillery piece"

Origin: Old French

American English

✓ All Clear

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Cannon Rank #766

Rex Rank #793

Cannon is more popular, ranked #766 vs #793 for Rex.

Is Cannon or Rex more popular?

Cannon is more popular, ranked #766 compared to Rex at #793 in the United States.

What do Cannon and Rex mean?

Cannon means "large gun, artillery piece" (Old French origin). Rex means "king" (Latin origin).

Are Cannon and Rex boy or girl names?

Cannon is primarily a boy name. Rex is primarily a boy name.