Kellen vs Marcellus

Baby Name Comparison — 2026

Kellen

Boy #1,031 Most Popular 2 Syllables

"slender, narrow"

Origin: Irish Gaelic 'caol'

Irish American German

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Boy #951 Most Popular 3 Syllables

"little warrior, young Mars"

Origin: Latin

English French Italian Roman German

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Kellen Rank #1,031

Marcellus Rank #951

Marcellus is more popular, ranked #951 vs #1031 for Kellen.

Is Kellen or Marcellus more popular?

Marcellus is more popular, ranked #951 compared to Kellen at #1031 in the United States.

What do Kellen and Marcellus mean?

Kellen means "slender, narrow" (Irish Gaelic 'caol' origin). Marcellus means "little warrior, young Mars" (Latin origin).

Are Kellen and Marcellus boy or girl names?

Kellen is primarily a boy name. Marcellus is primarily a boy name.