Boy name · Latin
Cassian
“hollow”
Vibes
Common nicknames
Short-forms and diminutives parents often use for Cassian.
Explore Cassian further
Similar-feel alternatives, or middle-name candidates that pair well with Cassian — both ranked by the same scoring system (vibe overlap, syllable rhythm, origin compatibility).
About the name
Cassian is Latin — from the Roman family Cassius, traditionally "hollow" — worn by John Cassian, the fourth-century monk who carried desert monasticism to Europe, and lately by a certain Star Wars rebel spy.
Cassian has climbed into the American top 600, the thinking parent's alternative to Sebastian — same music, fresher face.
Three velvet syllables with Cass as the built-in nickname. It pairs well with short middles (Cassian Reed, Cassian Cole). On our vibe map it is Dark Academia's cloister with Mythological echoes and Heirloom stone.
More Latin names
Cassian sits in our Latin set — these share its roots.
All Latin names →Cassian — common questions
Is Cassian a boy or girl name?
Cassian is traditionally a boy name of Latin origin. It ranked #479 among US boys' names in 2025.
What does the name Cassian mean?
Cassian means “hollow” of Latin origin. Cassian is Latin — from the Roman family Cassius, traditionally "hollow" — worn by John Cassian, the fourth-century monk who carried desert monasticism to Europe, and lately by a certain Star Wars rebel spy.
Where does the name Cassian come from?
Cassian is Latin in origin. Cassian has climbed into the American top 600, the thinking parent's alternative to Sebastian — same music, fresher face.
What are common nicknames for Cassian?
Cash and Cass — the short-forms parents most often use for Cassian.
How popular is Cassian?
Cassian ranked #479 in US Social Security Administration data for 2025, which makes it familiar without being crowded.
Bring the name into the room
A couple of nice things named Cassian you might want for the nursery.