William Ussher (1718–1780) was an 18th-century Irish Anglican priest.
[1] Ussher was born in County Armagh and educated at Trinity College Dublin.
He held incumbencies at Kilmactalway and Clondalkin.
He was appointed Archdeacon of Glendalough in 1752 and resigned in 1760.
This article about an Irish Anglican cleric is a stub.