Enda of Aran was a 5th-century Irish monk and abbot who is often called the patriarch of Irish monasticism. Originally a warrior-king of Oriel, he was converted to Christianity by his sister, Fanchea. Following his conversion, he transitioned from a life of warfare to one of religious devotion, eventually establishing a significant monastic presence on the Aran Islands. His community on Inis Mór practiced a rigorous, ascetic lifestyle modeled after the desert hermits of Egypt, emphasizing manual labor, prayer, and simplicity.