A history of Lough Derg and its Antiquities. This extract comes from an 1836 story in the Dublin Penny Journal Count Raymond de Perilleaux's 1397 journey to the Purgatory.
"There are no holy wells in this district but there are two holy lakes called Lough Patrick and Lough Peter. These lakes are in the townland of Drumlougher and form the boundary between County Monaghan and County Armagh. St Patrick's stone is in a…