Mary Power, daughter of John Power, 5th Baron le Power and Coroghmore, married Philip Magrath, in County Waterford, Ireland. This is not the same Mary Power. See: Mosley, Charles, editor. Burke's Peerage, Baronetage & Knightage, 107th edition, 3 volumes. Wilmington, Delaware, U.S.A.: Burke's Peerage (Genealogical Books) Ltd, 2003.
