Georgina’s name day is April 23, the feast of George the Great Martyr.
Churches that follow the Old (Julian) Calendar keep the same feast on May 6 of the civil calendar. See everything commemorated on April 23.
Saint George’s feast moves in some years. When April 23 falls before Pascha, it is kept on Bright Monday, the day after Pascha. See when Pascha falls.
The saint behind the name

George the Great Martyr
April 23, Martyr, Γεώργιος ο Μεγαλομάρτυρας
St. George the Great Martyr and Trophy-Bearer was a Roman officer from Cappadocia who suffered for Christ under the Emperor Diocletian at the beginning of the fourth century. Confessing his faith openly before the emperor, he endured many tortures and was beheaded, and his courage brought many to belief.
Name days: Georgios, Giorgos, Yiorgos, George, Jordi, Jiri, György, Giorgio, Yorgos, Giorgis, Jorge, Georges, Georgia, Giorgia, Georgina, Georgette, Gogo
Also celebrating on April 23
These names share the feast, many of them other forms of the same name:
Georgios, Giorgos, Yiorgos, George, Jordi, Jiri, György, Giorgio, Yorgos, Giorgis, Jorge, Georges, Georgia, Giorgia, Georgette, Gogo
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.