Rex vs Keith

Baby Name Comparison — 2026

Rex

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Boy #758 Most Popular 1 Syllable

"wood, forest"

Origin: Celtic

Scottish English American Australian

✓ All Clear

Rex Rank #793

Keith Rank #758

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

Is Rex or Keith more popular?

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

What do Rex and Keith mean?

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

Are Rex and Keith boy or girl names?

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