Cassiani’s name day is September 7, the feast of Kassiani the Hymnographer.
Churches that follow the Old (Julian) Calendar keep the same feast on September 20 of the civil calendar. See everything commemorated on September 7.
The saint behind the name
Kassiani the Hymnographer
September 7, Holy Woman, Κασσιανή
St. Kassiani was a noblewoman of Constantinople in the ninth century, learned and pious. Tradition relates that she was among the maidens presented to the emperor Theophilos as a prospective bride and that her bold reply cost her the crown; she embraced the monastic life instead and founded a convent in the city.
Name days: Kassiani, Cassiane, Cassiani, Kassia, Cassia, Kasiani
Also celebrating on September 7
These names share the feast, many of them other forms of the same name:
Kassiani, Cassiane, Kassia, Cassia, Kasiani
What to say on a name day
The Greek wish is Χρόνια Πολλά (Chronia Polla), “many years.” A call or a short message on the day is what people remember. See name day wishes you can send and what a name day is.