Syllabification Ι-λα-ρί-ω-νας Gender masculine Ιλαρίωνας is a modern form of Greek name Ιλαρίων. St Hilarion, higoumène du monastère de Dalmate Feast day June 6 When is Ιλαρίωνας's name day? Ιλαρίωνας's Day is celebrated on June 6 in memory of St Hilarion. Transcriptions Ilarionas (la) Famous people named Ιλαρίωνας Log in or register to post comments Be the first to rate this name Leave this field blank Copied to clipboard