Saint Ailill the Second (also called Ailill the Younger, Ailill II, Ailiell, Ailild, Ailid, Alild, Ailillus, Alellus, Alildus, Oilill, Oileal, Oileald, Olildus, Olild, Elias, Eulalius, Helias; c. 480 – 1 July 536) was the Bishop of Armagh, Ireland from 526 to 536.
St. Ailill was a member of the Úi Bressail, a clan from the south side of Lough Neagh.
He was born in Drum Cád in the Barony of Oneilland East, County Armagh.
[1] On the death of his kinsman Saint Ailill the First, the Bishop of Armagh, on 13 January 526, St. Ailill was appointed as the 8th Bishop in succession to Saint Patrick.
The Annals of Ireland give the following obits- After his death St. Ailill was venerated as a saint and his feast was celebrated on 1 July, the day of his death.