Gender masculine Female form Θανασούλα Θανασούλης is a diminutive form of Greek name Θανάσης.Feasts and saints related to given name Θανασούλης Saints Athanasius and Cyril, Patriarchs of Alexandria Feast day January 18 When is Θανασούλης's name day? Θανασούλης's Day is celebrated on January 18 in memory of Saints Athanasius and Cyril. Variantes et traductions Σούλης (el) Log in or register to post comments Be the first to rate this name Leave this field blank