Syllabification Θα-να-σί-α Gender feminine Θανασία is a modern form of Greek name Αθανασία. Saints Athanasius and Cyril, Patriarchs of Alexandria Feast day January 18 When is Θανασία's name day? Θανασία's Day is celebrated on January 18 in memory of Saints Athanasius and Cyril. Variantes et traductions Θανασούλα (el) Transcriptions Thanassia (la) Log in or register to post comments Be the first to rate this name Leave this field blank Copied to clipboard