Kylan vs Cassian

Baby Name Comparison — 2026

Kylan

Boy #533 Most Popular 2 Syllables

"narrow strait"

Origin: Scottish Gaelic

American Irish English

✓ All Clear

Boy #617 Most Popular 3 Syllables

"of the Cassian family (Roman gens)"

Origin: Latin

English American European

✓ All Clear

Kylan Rank #533

Cassian Rank #617

Kylan is more popular, ranked #533 vs #617 for Cassian.

Is Kylan or Cassian more popular?

Kylan is more popular, ranked #533 compared to Cassian at #617 in the United States.

What do Kylan and Cassian mean?

Kylan means "narrow strait" (Scottish Gaelic origin). Cassian means "of the Cassian family (Roman gens)" (Latin origin).

Are Kylan and Cassian boy or girl names?

Kylan is primarily a boy name. Cassian is primarily a boy name.