Efstathia can be celebrated on 2 feasts in the Orthodox calendar. People keep the feast of the saint they were named for, or the one their family has always kept.
Every feast on which Efstathia is celebrated
| New Calendar | Feast | Old Calendar (civil date) |
|---|---|---|
| February 21 | Eustathios of Antioch | March 6 |
| September 20 | Eustace the Great Martyr | October 3 |
The saints behind the name
Eustathios of Antioch
February 21, Hierarch, Ευστάθιος Αντιοχείας
St. Eustathios was born in Side of Pamphylia and became Bishop of Beroea and then Archbishop of Antioch. He took a leading part in the First Ecumenical Council at Nicaea in 325, defending the divinity of Christ against Arius.
Name days: Efstathios, Eustathios, Stathis, Eustathius, Efstathia, Stathoula

Eustace the Great Martyr
September 20, Martyr, Ευστάθιος ο Μεγαλομάρτυς
St. Eustathios, called Placidas before his baptism, was a Roman general of the second century. According to tradition he was converted while hunting, beholding a vision of the Cross between the antlers of a stag; he was baptized with his wife Theopiste and their two sons, endured the loss of all his possessions and family, and after years of trial was reunited with them.
Name days: Efstathios, Efstathis, Stathis, Eustace, Eustathius, Efstathia, Stathoula, Theopisti, Theopiste
Also celebrating with Efstathia
These names share the feast, many of them other forms of the same name:
Efstathios, Eustathios, Stathis, Eustathius, Stathoula, Efstathis, Eustace, Theopisti, Theopiste
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.