Ieronimos’s name day is June 15, the feast of Jerome of Stridon.
Churches that follow the Old (Julian) Calendar keep the same feast on June 28 of the civil calendar. See everything commemorated on June 15.
The saint behind the name
Jerome of Stridon
June 15, Venerable, Ιερώνυμος
Saint Jerome was born in Stridon in Dalmatia around 347 and studied in Rome. After years of asceticism in the Syrian desert he settled in Bethlehem, where he lived in a monastery near the cave of the Nativity and produced his Latin translation of the Scriptures and many commentaries.
Name days: Ieronymos, Jerome, Hieronymus, Ieronimos, Geronimo
Also celebrating on June 15
These names share the feast, many of them other forms of the same name:
Ieronymos, Jerome, Hieronymus, Geronimo
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.