The Irish Ecclesiastical Record
Irish Ecclesiastical Record, Volume 1, May 1865
The territory of Cineal-Eoghain, from a very early period, formed a distinct diocese, which took its name from the church of Arderath, now Ardstraw, situated on the River Derg, and founded by St. Eugene, first bishop of this see. In the synod of Rathbreasail, an. 1110, it is c...