Kacey vs Duncan

Baby Name Comparison — 2026

Kacey

Boy #1,045 Most Popular 2 Syllables

"brave in battle, vigilant"

Origin: Irish Gaelic

Irish American

✓ All Clear

Boy #1,104 Most Popular 2 Syllables

"dark warrior"

Origin: Scottish Gaelic

Scottish Irish British American

✓ All Clear

Kacey Rank #1,045

Duncan Rank #1,104

Kacey is more popular, ranked #1045 vs #1104 for Duncan.

Is Kacey or Duncan more popular?

Kacey is more popular, ranked #1045 compared to Duncan at #1104 in the United States.

What do Kacey and Duncan mean?

Kacey means "brave in battle, vigilant" (Irish Gaelic origin). Duncan means "dark warrior" (Scottish Gaelic origin).

Are Kacey and Duncan boy or girl names?

Kacey is primarily a boy name. Duncan is primarily a boy name.