Cassian vs Sean

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 #437 Most Popular 1 Syllable

"God is gracious"

Origin: Hebrew via Irish

Irish English American Scottish

✓ All Clear

Cassian Rank #617

Sean Rank #437

Sean is more popular, ranked #437 vs #617 for Cassian.

Is Cassian or Sean more popular?

Sean is more popular, ranked #437 compared to Cassian at #617 in the United States.

What do Cassian and Sean mean?

Cassian means "of the Cassian family (Roman gens)" (Latin origin). Sean means "God is gracious" (Hebrew via Irish origin).

Are Cassian and Sean boy or girl names?

Cassian is primarily a boy name. Sean is primarily a boy name.