Callister vs Marcellus

Baby Name Comparison — 2026

Callister

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Boy #951 Most Popular 3 Syllables

"little warrior, young Mars"

Origin: Latin

English French Italian Roman German

✓ All Clear

Callister Rank #43,579

Marcellus Rank #951

Marcellus is more popular, ranked #951 vs #43579 for Callister.

Is Callister or Marcellus more popular?

Marcellus is more popular, ranked #951 compared to Callister at #43579 in the United States.

What do Callister and Marcellus mean?

Callister means "defender of men" (Greek via Gaelic origin). Marcellus means "little warrior, young Mars" (Latin origin).

Are Callister and Marcellus boy or girl names?

Callister is primarily a boy name. Marcellus is primarily a boy name.