Kacey vs Brett

Baby Name Comparison — 2026

Kacey

Boy #1,045 Most Popular 2 Syllables

"brave in battle, vigilant"

Origin: Irish Gaelic

Irish American

✓ All Clear

Boy #1,061 Most Popular 1 Syllable

"a Breton, person from Brittany"

Origin: Celtic/Old French

English American Australian

✓ All Clear

Kacey Rank #1,045

Brett Rank #1,061

Kacey is more popular, ranked #1045 vs #1061 for Brett.

Is Kacey or Brett more popular?

Kacey is more popular, ranked #1045 compared to Brett at #1061 in the United States.

What do Kacey and Brett mean?

Kacey means "brave in battle, vigilant" (Irish Gaelic origin). Brett means "a Breton, person from Brittany" (Celtic/Old French origin).

Are Kacey and Brett boy or girl names?

Kacey is primarily a boy name. Brett is primarily a boy name.