Genevieve’s name day is January 3, the feast of Genevieve of Paris.
Churches that follow the Old (Julian) Calendar keep the same feast on January 16 of the civil calendar. See everything commemorated on January 3.
The saint behind the name
Genevieve of Paris
January 3, Holy Woman, Γενεβιέβη
St. Genevieve lived in Gaul in the fifth century and was consecrated to God from childhood. Tradition relates that she encouraged the people of Paris to stand firm through prayer and fasting when the Huns threatened the city, and that it was spared.
Also celebrating on January 3
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.