Keith vs Rex

Baby Name Comparison — 2026

Keith

Boy #758 Most Popular 1 Syllable

"wood, forest"

Origin: Celtic

Scottish English American Australian

✓ All Clear

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Keith Rank #758

Rex Rank #793

Keith is more popular, ranked #758 vs #793 for Rex.

Is Keith or Rex more popular?

Keith is more popular, ranked #758 compared to Rex at #793 in the United States.

What do Keith and Rex mean?

Keith means "wood, forest" (Celtic origin). Rex means "king" (Latin origin).

Are Keith and Rex boy or girl names?

Keith is primarily a boy name. Rex is primarily a boy name.