The Roman Catholic Diocese of Auckland is a Latin Rite diocese of the Catholic Church in Auckland, New Zealand. It was one of two dioceses in the country that were established on 20 June 1848. Auckland became a suffragan diocese of the Roman Catholic Archdiocese of Wellington in 1887. A large area of the diocese south of Auckland was split from the diocese on 6 March 1980 to form the Roman Catholic Diocese of Hamilton, New Zealand. In 2021 almost 40 per cent of New Zealand’s 471,000 Catholics lived within the diocese of Auckland. Ordinaries of Auckland Delargey was appointed Archbishop of Wellington in 1974 (Cardinal in 1976). Browne was appointed Bishop of Hamilton in New Zealand in 1994. Other bishops Auxiliary bishops Reginald John Delargey (1914–1979) (Priest: 19 Mar 1938; Auxiliary Bishop: 25 Nov 1957; Bishop: 1 Sep 1970 to 25 Apr 1974); later Cardinal. Edward Gaines (Auxiliary Bishop: 28 Oct 1976 to 6 Mar 1980), appointed Bishop of Hamilton. John Hubert Macey Rodgers SM (1915–1997) Vicar Apostolic of Tonga (1953–1957), Vicar Apostolic of Tonga and Niue (1957–1966) Bishop of Tonga (1966–1973), Bishop of Rarotonga (1973–1977), Auxiliary Bishop of Auckland (1977–1985), Superior of the Mission, Funafuti, Tuvalu (1986). Patrick Dunn (Priest: 24 Apr 1976; Auxiliary Bishop: 10 Jun 1994; Bishop: 19 Dec 1994 to 17 Dec 2021). Michael Gielen (born 2 June 1971), Auxiliary Bishop of Auckland (2020–2022). Coadjutor bishop James Michael Liston (1920–1929). Bishop assistant Robin Walsh Leamy SM, Bishop Emeritus of Rarotonga, Cook Islands, (Bishop Assistant in Auckland: 1996–2009)) Other priests of this diocese who became bishops Matthew Joseph Brodie, appointed Bishop of Christchurch in 1915 Peter Thomas McKeefry, appointed Coadjutor Archbishop of Wellington in 1947; Cardinal from 1969 Owen Noel Snedden, appointed Auxiliary Bishop of Wellington in 1962 Current bishops Stephen Lowe, 12th Bishop of Auckland (17 December 2021 - present) Michael Gielen, Auxiliary Bishop of Auckland (2 January 2020 – 21 May 2022) Patrick Dunn, Emeritus Bishop of Auckland Denis Browne, Emeritus Bishop of Hamilton Robin Walsh Leamy, retired Bishop Assistant (2009–present) Cathedral St Patrick's Cathedral, Auckland See also St Michael's Church, Remuera Holy Cross Seminary Marist Seminary Good Shepherd College Holy Name Seminary St Mary's Seminary Roman Catholicism in New Zealand List of New Zealand Catholic bishops Diocese of Rarotonga Secondary schools Baradene College, Remuera, Auckland Carmel College, Milford, Auckland De La Salle College, Mangere East, Auckland Hato Petera College, Northcote, Auckland Liston College,