Rex vs Jimmy

Baby Name Comparison — 2026

Rex

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Boy #860 Most Popular 2 Syllables

"supplanter, one who follows"

Origin: Hebrew via James/Jacob

English American Irish Australian

✓ All Clear

Rex Rank #793

Jimmy Rank #860

Rex is more popular, ranked #793 vs #860 for Jimmy.

Is Rex or Jimmy more popular?

Rex is more popular, ranked #793 compared to Jimmy at #860 in the United States.

What do Rex and Jimmy mean?

Rex means "king" (Latin origin). Jimmy means "supplanter, one who follows" (Hebrew via James/Jacob origin).

Are Rex and Jimmy boy or girl names?

Rex is primarily a boy name. Jimmy is primarily a boy name.