Rex vs Trevor

Baby Name Comparison — 2026

Rex

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Boy #626 Most Popular 2 Syllables

"large homestead, great settlement"

Origin: Welsh

English Welsh American Irish

✓ All Clear

Rex Rank #793

Trevor Rank #626

Trevor is more popular, ranked #626 vs #793 for Rex.

Is Rex or Trevor more popular?

Trevor is more popular, ranked #626 compared to Rex at #793 in the United States.

What do Rex and Trevor mean?

Rex means "king" (Latin origin). Trevor means "large homestead, great settlement" (Welsh origin).

Are Rex and Trevor boy or girl names?

Rex is primarily a boy name. Trevor is primarily a boy name.