Bishop of Ossory, Ferns and Leighlin (1962-77); Archbishop of Dublin and Bishop of Glengal, Primate of Ireland and Metropolitan (1977-85).
The papers of Archbishop McAdoo are housed in the RCB Library, Dublin with ref. MS 341. The collection consists of 14 uncatalogued boxes covering the years 1967-1984. Uncatalogued materials are not available to the public.