William Ussher (1718–1780) was an 18th-century Irish Anglican priest."The Ussher memoirs; or, Genealogical memoirs of the Ussher families in Ireland (with appendix, pedigree and index of names), compiled from public and private sources"
Ussher was born in County Armagh and educated at Trinity College Dublin.'Alumni Dublinenses: a register of the students, graduates, professors and provosts of Trinity College in the University of Dublin (1593-1860)', Burtchaell, George Dames/Sadleir, Thomas Ulick (eds), p. 834: Dublin, Alex Thom and Co, 1935. He was ordained deacon in 1741; and priest in 1742. He held incumbencies at Kilmactalway and Clondalkin. He was appointed Archdeacon of Glendalough in 1752 and resigned in 1760.Fasti Ecclesiae Hibernicae: The succession of the Prelates- Volume 2 Cotton, H., p. 220: Dublin, Hodges, 1848.
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