Kellen vs Duncan

Baby Name Comparison — 2026

Kellen

Boy #1,031 Most Popular 2 Syllables

"slender, narrow"

Origin: Irish Gaelic 'caol'

Irish American German

✓ All Clear

Boy #1,104 Most Popular 2 Syllables

"dark warrior"

Origin: Scottish Gaelic

Scottish Irish British American

✓ All Clear

Kellen Rank #1,031

Duncan Rank #1,104

Kellen is more popular, ranked #1031 vs #1104 for Duncan.

Is Kellen or Duncan more popular?

Kellen is more popular, ranked #1031 compared to Duncan at #1104 in the United States.

What do Kellen and Duncan mean?

Kellen means "slender, narrow" (Irish Gaelic 'caol' origin). Duncan means "dark warrior" (Scottish Gaelic origin).

Are Kellen and Duncan boy or girl names?

Kellen is primarily a boy name. Duncan is primarily a boy name.