How to say it
CAS · si · an
ˈkæs.i.ən
Masculine
Cassian
From Cassius
What it means
From the Roman family name Cassius, often linked to the Latin cassus, 'hollow' or 'empty.'
Cassian comes from the Roman clan name Cassius, usually tied to the Latin cassus, 'hollow.' Several early saints carried it, including a revered monastic writer. It feels both ancient and freshly stylish, boosted lately by Cassian Andor of the Star Wars series. Cass is the easy short. Said KASS-ee-un.
How to spell Cassian
The standard spelling is Cassian. Common variants include Cassius, Cassio, Kassian, but Cassian is the most widely used form.
Popularity over time
peaked at #479 in 2025, currently #479 in 2025.
Source: U.S. Social Security Administration, names given to at least 5 babies in a year, 1880–2025. Reviewed July 2026. See where the names are moving
Heads-up notes
- Nickname
Cass.
- Pop culture
Cassian Andor of Star Wars.
Who's worn it
Historical figures, characters, and public faces who share the name. The cultural surface, for whatever weight you want to give it.
- Cassian Andor rebel spy in the Star Wars film Rogue One and the series Andor
Spelling variants
- Cassius
- Cassio
- Kassian
Names with the same feeling
Common questions
- What does the name Cassian mean?
- From the Roman family name Cassius, often linked to the Latin cassus, 'hollow' or 'empty.'
- What does Cassian mean in Latin?
- In Latin, Cassian means "From Cassius." Cassian comes from the Roman clan name Cassius, usually tied to the Latin cassus, 'hollow.' Several early saints carried it, including a revered monastic writer. It feels both ancient and freshly stylish, boosted lately by Cassian Andor of the Star Wars series. Cass is the easy short. Said KASS-ee-un.
- How do you pronounce Cassian?
- Cassian is pronounced ˈkæs.i.ən. Say it as CAS-si-an, with the stress on the "cas" syllable.
- How do you spell Cassian?
- The standard spelling is Cassian. Common spelling variants include Cassius, Cassio, Kassian.
- Is Cassian a boy or girl name?
- Cassian is traditionally a masculine name.
- How popular is the name Cassian?
- Cassian ranked #479 in the U.S. in 2025, according to Social Security Administration data.