Changes in Ecclesiastical Jurisdictions in Australia

Date	Change
1816	Apostolic Prefecture of New Holland was established (from Apostolic Vicariate of London District)
1819.04.04	Apostolic Prefecture of New Holland was suppressed (to Apostolic Vicariate of Cape of Good Hope and adjacent territories)
1834.06.03	Apostolic Vicariate of New Holland and Van Diemen’s Land was restored (from Apostolic Vicariate of Cape of Good Hope and adjacent territories)
1842.04.05	Apostolic Vicariate of Adelaide was established (from Apostolic Vicariate of New Holland and Van Diemen’s Land)
1842.04.05	Apostolic Vicariate of Hobart was established (from Apostolic Vicariate of New Holland and Van Diemen’s Land)
1842.04.05	Apostolic Vicariate of New Holland and Van Diemen’s Land was renamed as Apostolic Vicariate of Sydney (lost territory to establish Apostolic Vicariate of Adelaide and Apostolic Vicariate of Hobart)
1842.04.22	Apostolic Vicariate of Adelaide was promoted as Diocese of Adelaide (became suffragan of Sydney)
1842.04.22	Apostolic Vicariate of Hobart was promoted as Diocese of Hobart (became suffragan of Sydney)
1842.04.22	Apostolic Vicariate of Sydney was promoted as Metropolitan Archdiocese of Sydney (with suffragan sees Adelaide and Hobart)
1845.05.06	Apostolic Vicariate of Essington was established (from Metropolitan Archdiocese of Sydney and became suffragan of Sydney)
1845.05.06	Apostolic Vicariate of King George Sounde - The Sound was established (from Metropolitan Archdiocese of Sydney and Diocese of Adelaide and became suffragan of Sydney)
1845.05.06	Diocese of Perth was established (from Metropolitan Archdiocese of Sydney and became suffragan of Sydney)
1847	Apostolic Vicariate of King George Sounde - The Sound was suppressed (to Diocese of Adelaide and Diocese of Perth)
1847.05.27	Apostolic Vicariate of Essington was promoted as Diocese of Victoria
1847.06.25	Diocese of Maitland was established (from Metropolitan Archdiocese of Sydney and became suffragan of Sydney)
1847.06.25	Diocese of Melbourne was established (from Metropolitan Archdiocese of Sydney and became suffragan of Sydney)
1859.04.12	Diocese of Brisbane was established (from Metropolitan Archdiocese of Sydney and became suffragan of Sydney)
1862.11.17	Diocese of Goulburn was established (from Metropolitan Archdiocese of Sydney and became suffragan of Sydney)
1865.06.20	Diocese of Bathurst was established (from Metropolitan Archdiocese of Sydney and became suffragan of Sydney)
1866.11.01	Metropolitan Archdiocese of Sydney lost territory to Diocese of Maitland
1867.03.12	Abbacy nullius of New Norcia was established (from Diocese of Perth and became suffragan of Sydney)
1869.11.28	Diocese of Armidale was established (from Metropolitan Archdiocese of Sydney and became suffragan of Sydney)
1874.03.30	Diocese of Ballarat was established (from Diocese of Melbourne and became suffragan of Melbourne)
1874.03.30	Diocese of Melbourne was promoted as Metropolitan Archdiocese of Melbourne (with suffragan sees Adelaide, Ballarat, Perth and Sandhurst and lost territory to establish Diocese of Ballarat and Diocese of Sandhurst)
1874.03.30	Diocese of Sandhurst was established (from Diocese of Melbourne and became suffragan of Melbourne)
1877.01.30	Apostolic Vicariate of Queensland was established (from Diocese of Brisbane and became suffragan of Sydney)
1882.12.29	Diocese of Rockhampton was established (from Diocese of Brisbane and became suffragan of Sydney)
1885	Apostolic Vicariate of Queensland lost territory to Diocese of Victoria
1887.05.05	Diocese of Grafton was established (from Diocese of Armidale, gained territory from Diocese of Maitland and became suffragan of Sydney)
1887.05.05	Diocese of Maitland lost territory to Diocese of Armidale and Diocese of Grafton
1887.05.10	Diocese of Adelaide was promoted as Metropolitan Archdiocese of Adelaide (with suffragan sees Port Augusta and Victoria and lost territory to establish Diocese of Port Augusta)
1887.05.10	Diocese of Brisbane was promoted as Metropolitan Archdiocese of Brisbane (with suffragan sees Rockhampton and Cooktown)
1887.05.10	Apostolic Vicariate of Queensland was renamed as Apostolic Vicariate of Cooktown (became suffragan of Brisbane)
1887.05.10	Apostolic Vicariate of Kimberley in Western Australia was established (from Diocese of Perth and became suffragan of Melbourne)
1887.05.10	Diocese of Port Augusta was established (from Diocese of Adelaide and became suffragan of Adelaide)
1887.05.10	Diocese of Sale was established (from Metropolitan Archdiocese of Melbourne and became suffragan of Melbourne)
1887.05.10	Diocese of Wilcannia was established (from Diocese of Armidale, Diocese of Bathurst and Diocese of Goulburn and became suffragan of Sydney)
1888.08.03	Diocese of Hobart was promoted as Metropolitan Archdiocese of Hobart
1888.08.10	Diocese of Victoria was renamed as Diocese of Victoria–Palmerston
1898.01.30	Diocese of Geraldton was established (from Diocese of Perth and became suffragan of Sydney)
1900.06.13	Diocese of Grafton was renamed as Diocese of Lismore
1910.05.04	Mission sui juris of Drisdale River was established (from Apostolic Vicariate of Kimberley in Western Australia and became suffragan of Melbourne)
1913.08.28	Diocese of Perth was promoted as Metropolitan Archdiocese of Perth (with suffragan sees Geraldton, Kimberley in Western Australia and Drisdale River)
1914	Metropolitan Archdiocese of Hobart was demoted as Archdiocese of Hobart (without ecclesiastical province)
1917	Diocese of Goulburn lost territory to Metropolitan Archdiocese of Sydney
1917.07.28	Diocese of Bathurst lost territory to Diocese of Wilcannia–Forbes
1917.07.28	Diocese of Wagga Wagga was established (from Diocese of Goulburn and became suffragan of Sydney)
1917.07.28	Diocese of Wilcannia was renamed as Diocese of Wilcannia–Forbes (gained territory from Diocese of Bathurst)
1929.05.28	Metropolitan Archdiocese of Brisbane lost territory to Diocese of Rockhampton
1929.05.28	Diocese of Toowoomba was established (from Metropolitan Archdiocese of Brisbane and became suffragan of Brisbane)
1930.02.12	Diocese of Townsville was established (from Diocese of Rockhampton and became suffragan of Brisbane)
1938.03.29	Diocese of Victoria–Palmerston was renamed as Diocese of Darwin (gained territory from Apostolic Vicariate of Papua)
1941.07.08	Apostolic Vicariate of Cooktown was promoted as Diocese of Cairns
1948.02.05	Archdiocese of Canberra and Goulburn was established (from the suppressed Diocese of Goulburn and without ecclesiastical province)
1948.02.05	Diocese of Goulburn was suppressed (to establish Archdiocese of Canberra and Goulburn)
1951.06.07	Diocese of Port Augusta was renamed as Diocese of Port Pirie
1951.11.15	Diocese of Wollongong was established (from Metropolitan Archdiocese of Sydney and Archdiocese of Canberra and Goulburn and became suffragan of Sydney)
1954.11.12	Diocese of Bunbury was established (from Metropolitan Archdiocese of Perth and became suffragan of Perth)
1958.05.10	Apostolic Vicariate of Australia (Ukrainian Rite) was established
1959	Metropolitan Archdiocese of Melbourne lost territory to Diocese of Sale
1959.11.13	Apostolic Vicariate of Kimberley in Western Australia was renamed as Apostolic Vicariate of Kimberleys
1960.02.19	Abbacy nullius of New Norcia lost territory to Metropolitan Archdiocese of Perth
1966	Diocese of Maitland lost territory to Diocese of Lismore
1966	Metropolitan Archdiocese of Sydney lost territory to Diocese of Maitland
1966.06.07	Apostolic Vicariate of Kimberleys was promoted as Diocese of Broome
1967.02.14	Diocese of Darwin lost territory to Diocese of Cairns
1969.03.06	Military Vicariate of Australia was established
1971.09.08	Mission sui juris of Drisdale River was renamed as Mission sui juris of Kalumburu
1971.09.21	Abbacy nullius of New Norcia lost territory to Metropolitan Archdiocese of Perth
1973.06.25	Diocese of Saint Maron of Sydney (Maronite Rite) was established (without ecclesiastical province)
1981	Mission sui juris of Kalumburu was suppressed (to Diocese of Broome)
1982.03.12	Abbacy nullius of New Norcia was suppressed (to Metropolitan Archdiocese of Perth)
1982.06.24	Apostolic Vicariate of Australia (Ukrainian Rite) was promoted as Diocese of Saints Peter and Paul of Melbourne (became suffragan of Melbourne)
1986.04.08	Diocese of Broken Bay was established (from Metropolitan Archdiocese of Sydney and became suffragan of Sydney)
1986.04.08	Diocese of Parramatta was established (from Metropolitan Archdiocese of Sydney and became suffragan of Sydney)
1986.07.21	Military Vicariate of Australia was promoted as Military Ordinariate of Military Ordinariate of Australia
1987.03.26	Diocese of Saint Michael’s of Sydney (Greek-Melkite Rite) was established (without ecclesiastical province)
1995.06.14	Diocese of Maitland was renamed as Diocese of Maitland–Newcastle
2006.10.21	Diocese of Saint Thomas the Apostle of Sydney (Chaldean Rite) was established (without ecclesiastical province)
2012.06.15	Personal Ordinariate of Our Lady of the Southern Cross (Anglican Rite) was established
2013.12.23	Diocese of Saint Thomas the Apostle of Melbourne (Syro-Malabar Rite) was established (without ecclesiastical province)