Theosebia’s name day is January 10, the feast of Theosebia the Deaconess.
Churches that follow the Old (Julian) Calendar keep the same feast on January 23 of the civil calendar. See everything commemorated on January 10.
The saint behind the name
Theosebia the Deaconess
January 10, Holy Woman, Θεοσεβία
St. Theosebia was a sister of St. Basil the Great and St. Gregory of Nyssa, from the family of St. Emmelia and St. Makrina. She served the Church as a deaconess and was praised by St. Gregory the Theologian for her holiness.
Also celebrating on January 10
These names share the feast, many of them other forms of the same name:
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.