Rex vs Keegan

Baby Name Comparison — 2026

Rex

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Boy #595 Most Popular 2 Syllables

"son of Egan, little fire"

Origin: Irish Gaelic (Mac Aodhagáin)

Irish American British

✓ All Clear

Rex Rank #793

Keegan Rank #595

Keegan is more popular, ranked #595 vs #793 for Rex.

Is Rex or Keegan more popular?

Keegan is more popular, ranked #595 compared to Rex at #793 in the United States.

What do Rex and Keegan mean?

Rex means "king" (Latin origin). Keegan means "son of Egan, little fire" (Irish Gaelic (Mac Aodhagáin) origin).

Are Rex and Keegan boy or girl names?

Rex is primarily a boy name. Keegan is primarily a boy name.