Foster vs Kolby

Baby Name Comparison — 2026

Foster

Boy #1,077 Most Popular 2 Syllables

"forest keeper, forester"

Origin: Old English

English American

✓ All Clear

Boy #1,272 Most Popular 2 Syllables

"dark settlement, coal town"

Origin: Old Norse

American Scandinavian English

✓ All Clear

Foster Rank #1,077

Kolby Rank #1,272

Foster is more popular, ranked #1077 vs #1272 for Kolby.

Is Foster or Kolby more popular?

Foster is more popular, ranked #1077 compared to Kolby at #1272 in the United States.

What do Foster and Kolby mean?

Foster means "forest keeper, forester" (Old English origin). Kolby means "dark settlement, coal town" (Old Norse origin).

Are Foster and Kolby boy or girl names?

Foster is primarily a boy name. Kolby is primarily a boy name.