Rev. Peadar Livingstone (1932–1987) was a Roman Catholic priest in the Diocese of Clogher, Ireland.
Peadar Livingstone was born in 1932 and raised in Castleblayney, County Monaghan. His father was a jeweller. He entered St. Macartan's College, Monaghan in 1945. Following his secondary school education, he enter Maynooth College to study for the priesthood for the diocese. He studied Celtic languages — Gaeilge and Cymraeg — and theology. He was ordained a priest in 1957. Fr. Livingstone continued his studies at Maynooth; however, he was recalled to the diocese in 1957 before he completed his Higher Diploma in Education. He was appointed to the teaching staff of St. Michael's College in Enniskillen, a diocesan seminary in Northern Ireland. At St. Michael's, he taught Irish, history and religious education (RE).
Fr. Livingstone was a renowned scholar in both the Irish language and local history. In 1969, he published The Fermanagh Story[1], a comprehensive history of the county of Fermanagh. In 1979, his work The Monaghan Story[2] was published. He also wrote a regular column for The Fermanagh Herald, a local newspaper, under the name "Ernesense".
In 1977, Fr. Livingstone was appointed president of St. Michael's College where he introduced some disciplinary measures, including mandatory uniforms. He was appointed a curate to the parish of Donaghmoyne in 1977. In 1987 he was assigned to the parish of Clogher in County Tyrone where he died later that year, aged 55.