Marta’s name day is June 4, the feast of Martha and Mary, Sisters of Lazarus.
Churches that follow the Old (Julian) Calendar keep the same feast on June 17 of the civil calendar. See everything commemorated on June 4.
The saint behind the name
Martha and Mary, Sisters of Lazarus
June 4, Holy Woman, Μάρθα και Μαρία
Martha and Mary of Bethany received Christ in their home, and the Gospel records Martha's service and Mary's sitting at the Lord's feet, as well as their faith at the raising of their brother Lazarus. Tradition relates that after Pentecost they left Judea with Lazarus and ended their lives in Cyprus.
Also celebrating on June 4
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.