Cassian
Boy name · Latin · pronounced CASS-ee-un
Verified name
What does Cassian mean?
Empty, hollow, helmeted
Origin and language
Popularity in the United States
Ranked No. 437 in the U.S. in 2025, so it is moderately common. Source: U.S. Social Security Administration data.
Popularity in England and Wales
No. 287 in England and Wales in 2025
Contains Office for National Statistics data licensed under the Open Government Licence v3.0.
Related names, nicknames, and variants
Nickname: Cash, Cass
Variant: Cassianus, Cassien
Related: Caspian
Using Cassian across cultures
Historical and literary favorite in modern usage.
See a mistake?
Name data should be right. If something here looks off, tell us and an editor will review it before anything changes.