Lucie’s name day is December 13, the feast of Lucy of Syracuse.
Churches that follow the Old (Julian) Calendar keep the same feast on December 26 of the civil calendar. See everything commemorated on December 13.
The saint behind the name
Lucy of Syracuse
December 13, Holy Woman, Λουκία
The holy virgin martyr Lucy was a Christian of Syracuse in Sicily who suffered under the persecution of Diocletian at the beginning of the fourth century. Having vowed her virginity to Christ and given her dowry to the poor, she was denounced by her suitor and brought before the governor.
Also celebrating on December 13
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.