Cassian from the Roman family name Cassianus, which was derived from 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.
Saintly namesake: Cassian of Imola was a 4th-century bishop and martyr, remembered as the patron saint of teachers. (August 13 · 4th century)
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