Callister vs Kassius

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 #1,897 Most Popular 3 Syllables

"hollow, empty"

Origin: Latin

American English

✓ All Clear

Callister Rank #43,579

Kassius Rank #1,897

Kassius is more popular, ranked #1897 vs #43579 for Callister.

Is Callister or Kassius more popular?

Kassius is more popular, ranked #1897 compared to Callister at #43579 in the United States.

What do Callister and Kassius mean?

Callister means "defender of men" (Greek via Gaelic origin). Kassius means "hollow, empty" (Latin origin).

Are Callister and Kassius boy or girl names?

Callister is primarily a boy name. Kassius is primarily a boy name.