Achillios’s name day is May 15, the feast of Achillios of Larisa.
Churches that follow the Old (Julian) Calendar keep the same feast on May 28 of the civil calendar. See everything commemorated on May 15.
The saint behind the name
Achillios of Larisa
May 15, Hierarch, Αχίλλιος Λαρίσης
Achillios was born in Cappadocia and, after travels in the Holy Land and Rome, was chosen Bishop of Larisa in Thessaly in the fourth century. He took part in the Council of Nicaea in 325, where tradition relates that he confounded the Arians by a miracle.
Name days: Achillios, Achilleas, Achilles, Achillefs, Achileas
Also celebrating on May 15
These names share the feast, many of them other forms of the same name:
Achilleas, Achilles, Achillefs, Achileas
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.