 He is also the co-chairman of the Porvoo Communion of Anglican and Lutheran churches.Jackson was born in Lurgan, County Armagh, Northern Ireland, the son of a Church of Ireland rector (latterly appointed Archdeacon of Elphin & Ardagh), and educated at Ballinamallard Primary School and Portora Royal School, Enniskillen.In 1979 he achieved the Louis Claude Purser Entrance Scholarship to Trinity College, Dublin.