Cass vs Callister

Baby Name Comparison — 2026

Cass

Boy #5,414 Most Popular 1 Syllable

"hollow, vain (from Latin Cassius)"

Origin: Latin

English American Greek

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Cass Rank #5,414

Callister Rank #43,579

Cass is more popular, ranked #5414 vs #43579 for Callister.

Is Cass or Callister more popular?

Cass is more popular, ranked #5414 compared to Callister at #43579 in the United States.

What do Cass and Callister mean?

Cass means "hollow, vain (from Latin Cassius)" (Latin origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Cass and Callister boy or girl names?

Cass is primarily a boy name. Callister is primarily a boy name.