Quick answer
Cassian is a boy name.
Pronunciation: English /ˈkæʃ.ən/; English /ˈkæs.i.ən/.
Meaning and history
This name comes from the Roman cognomen Cassianus, which was derived from the family name Cassius. This was the name of several saints, including a 3rd-century martyr from Tangier who is the patron saint of stenographers and a 5th-century mystic who founded a monastery in Marseille.
Notes and context
Usage: ancient roman