To mark the appointment he concelebrated Mass on Monday morning in the Cathedral of Saint Mary & Saint Anne in Cork City with the Apostolic Nuncio to Ireland, Archbishop Jude Thaddeus Okolo.
Bishop-elect Gavin was born in Dublin in 1966. He completed his philosophical and theological studies at Holy Cross College in Clonliffe, Dublin. He then obtained a Doctorate in Canon Law from the Pontifical Gregorian University in Rome.
He was ordained a priest for the Archdiocese of Dublin on 7 June 1991.
After ordination he was chaplain and teacher at St. Gerard’s School, Bray (1991-1994) and at the Killinarden Community School (1978-1994).