Niall Coll


Niall Coll, KC*HS, is an Irish Catholic prelate and theologian who served as Bishop of Ossory from 22 January 2023 to 25 January 2026. On 13 November 2025, he was appointed as Roman [Catholic Diocese of Raphoe|Bishop of Raphoe] by Pope Leo XIV and installed on 25 January 2026.

Early life and education

Coll was born in Letterkenny, County Donegal, on 25 August 1963, one of four children to Willie and Kathleen Coll. He grew up in nearby St Johnston and attended secondary school at St Eunan's College.
Coll began studying for the priesthood at St Patrick's College, Maynooth, in 1981, completing a Bachelor of Arts in history and geography from the National University of Ireland, Maynooth, in 1984, and a Bachelor of Divinity from the Pontifical University in 1987.
He was Catholic Church|ordained a priest] for the Diocese of Raphoe on 3 July 1988.

Presbyteral ministry

Following ordination, Coll completed a licentiate in dogmatic theology from the Pontifical Gregorian University in Rome in 1989, before returning to Ireland for his first diocesan assignment, as a teacher at St Eunan's College until 1991. He subsequently obtained a higher diploma in education from Trinity College, Dublin, in 1992, before returning to Rome to complete doctoral studies in Christology at the Pontifical Gregorian University.
Coll returned to Ireland once again in 1995, upon his appointment as a lecturer at St Patrick's, Carlow College. He returned to the Diocese of Raphoe in 1998, serving as curate in Dungloe and simultaneously as chaplain and teacher at Pobalscoil na Rosann.
In 2001, Coll was appointed professor in religious studies and religious education at St Mary’s University College in Belfast. He returned to the Diocese of Raphoe once again in 2020, when he was appointed as parish priest of Drumholm, before being appointed parish priest of Tawnawilly the following year. Coll also served on the diocesan pastoral council and coordinated the promotion of the diocesan pastoral plan upon its publication in April 2022.
In an interview with Irish Catholic">Irish people">Irish Catholic in 2018, he emphasised the importance of intelligence and reason in faith development.
In conjunction with his priestly appointments, Coll has conducted retreats for clergy, contributed to publications including Doctrine and Life, The Furrow, Irish Theological Quarterly and The Tablet, and edited the Catholic school ethos journal Le Chéile. He has also edited a collection of essays evaluating Ireland's response to the Second Vatican Council.
On a national level, Coll has also served as a member of the Inter-Church Committee of the Irish Council of Churches.

Episcopal ministry

Coll was appointed Bishop-elect of Ossory by Pope Francis on 28 October 2022.
He was consecrated by his predecessor, The Most Rev. Dermot Farrell, Archbishop of Dublin, on 22 January 2023 in St Mary's Cathedral, Kilkenny. Bishop Coll was appointed as Bishop-elect of Raphoe on 13 November 2025 by Pope Leo XIV. He was consecrated by Eamon Martin at the Cathedral of [St Eunan and St Columba] in Letterkenny on 25 January 2026.