Cassian vs Lewis

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 #435 Most Popular 2 Syllables

"famous warrior"

Origin: Germanic via French

English Welsh French American

✓ All Clear

Cassian Rank #617

Lewis Rank #435

Lewis is more popular, ranked #435 vs #617 for Cassian.

Is Cassian or Lewis more popular?

Lewis is more popular, ranked #435 compared to Cassian at #617 in the United States.

What do Cassian and Lewis mean?

Cassian means "of the Cassian family (Roman gens)" (Latin origin). Lewis means "famous warrior" (Germanic via French origin).

Are Cassian and Lewis boy or girl names?

Cassian is primarily a boy name. Lewis is primarily a boy name.