He went to Blackrock College secondary school, and earned a Science Degree from University College Dublin, following which he went to Rome to study theology at Gregorian University and in 1970 was awarded an STL in dogma.
[2] He was ordained a priest on 6 July 1969, for the Congregation of the Holy Spirit.
Pope Francis accepted his canonical resignation on 30 November 2017.
[3] Ellison died at Kimmage Manor, Dublin, on 22 February 2024, at the age of 82.
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