Peter O'Donnellan was a long serving Irish prelate who served as
Bishop of Clonfert for over forty years.
He was selected as
Clonfert on 3 August 1733, and confirmed on the 11 August that year. He died on 7 May 1778 aged 100.
References
Roman Catholic bishops of Clonfert
18th-century Roman Catholic bishops in Ireland
1778 deaths
Christian clergy from County Galway
Irish centenarians
Men centenarians
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