Memnon’s name day is May 19, the feast of Memnon the Wonderworker.
Churches that follow the Old (Julian) Calendar keep the same feast on June 1 of the civil calendar. See everything commemorated on May 19.
The saint behind the name
Memnon the Wonderworker
May 19, Venerable, Μέμνων ο Θαυματουργός
Memnon was an abbot of a monastery in Egypt, remembered for his gift of working wonders; tradition relates that he brought forth water in the desert and delivered the district from locusts through his prayer.
Name days: Memnon
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.