Cassian vs Callister

Baby Name Comparison — 2026

Cassian

Boy #617 Most Popular 3 Syllables

"of the Cassian family (Roman gens)"

Origin: Latin

English American European

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Cassian Rank #617

Callister Rank #43,579

Cassian is more popular, ranked #617 vs #43579 for Callister.

Is Cassian or Callister more popular?

Cassian is more popular, ranked #617 compared to Callister at #43579 in the United States.

What do Cassian and Callister mean?

Cassian means "of the Cassian family (Roman gens)" (Latin origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Cassian and Callister boy or girl names?

Cassian is primarily a boy name. Callister is primarily a boy name.