Daniel O’Reilly (1700–1778) was the Roman Catholic Bishop of Clogher from 1747 to 1778.
Born in Drumgora, Lurgan, County Cavan, Ireland, he was ordained to the priesthood in June 1728.
Daniel O'Reilly was ordained a bishop on 13 November 1747 by Cardinal d'Alsace, Archbishop of Mechelen.
[1][2] He died in office on 28 March 1778 having served as bishop of his diocese for almost thirty-one years.
He is buried in the old graveyard at Lurgan, near Virginia, County Cavan.