Ananiah’s name day is October 1, the feast of Ananias the Apostle.
Churches that follow the Old (Julian) Calendar keep the same feast on October 14 of the civil calendar. See everything commemorated on October 1.
The saint behind the name
Ananias the Apostle
October 1, Apostle, Ανανίας
Ananias was a disciple living in Damascus when the Lord sent him to the blinded Saul of Tarsus. Laying his hands on him, he restored Saul's sight and baptized him, as recounted in the Acts of the Apostles.
Also celebrating on October 1
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.