Foster vs Kellen

Baby Name Comparison — 2026

Foster

Boy #1,077 Most Popular 2 Syllables

"forest keeper, forester"

Origin: Old English

English American

✓ All Clear

Boy #1,031 Most Popular 2 Syllables

"slender, narrow"

Origin: Irish Gaelic 'caol'

Irish American German

✓ All Clear

Foster Rank #1,077

Kellen Rank #1,031

Kellen is more popular, ranked #1031 vs #1077 for Foster.

Is Foster or Kellen more popular?

Kellen is more popular, ranked #1031 compared to Foster at #1077 in the United States.

What do Foster and Kellen mean?

Foster means "forest keeper, forester" (Old English origin). Kellen means "slender, narrow" (Irish Gaelic 'caol' origin).

Are Foster and Kellen boy or girl names?

Foster is primarily a boy name. Kellen is primarily a boy name.