Latin Cassianus, a derivative of Latin Cassius, the name of a Roman gens possibly derived from Latin cassus 'empty'.
The name of a 4th C Italian saint and a 4th C French saint.
- ● 1326 Cassiani (gen) Friuli-14thC no. 434
Cite as: S.L. Uckelman. "Cassian". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 3. http://dmnes.org/2016/3/name/Cassian.