| Year | From | To | ||
|---|---|---|---|---|
| 1837 | Diocese of Saint Louis, Missouri, USA | Territory Lost | Diocese of Dubuque, Iowa, USA (Territory of Wisconsin, between the Mississippi and Missouri Rivers) | Erected |
| 1837 | Diocese of New Orleans, Louisiana, USA | Territory Lost | Diocese of Natchez, Mississippi, USA (Name changed and Vicariate raised to a Diocese; State of Mississippi) | Erected |
| 1837 | Diocese of Bardstown, Kentucky, USA | Territory Lost | Diocese of Nashville, Tennessee, USA (State of Tennessee) | Erected |
| 1868 | Vicariate Apostolic of Lhassa, China | Name Changed | Vicariate Apostolic of Thibet, China | Name Changed |
| 1896 | Vicariate Apostolic of Kottayam (Syro-Malabar), India
Vicariate Apostolic of Trichur (Syro-Malabar), India | Territory Lost | Vicariate Apostolic of Ernakulam (Syro-Malabar), India | Erected |
| 1896 | Vicariate Apostolic of Kottayam (Syro-Malabar), India | Name Changed | Vicariate Apostolic of Changanacherry (Syro-Malabar), India | Name Changed |
| 1897 | Diocese of Mérida, Venezuela | Territory Lost | Diocese of Zulia, Venezuela | Erected |
| 1917 | Diocese of Goulburn, Australia (Wagga-Wagga, Junee, Coolamon, Ganmain, Narrandera, Leeton, Jerilderie, Berrigan, Lockhart, Urana, Henty, Balldale, Corowa, Albury, and Germanton) | Territory Lost | Diocese of Wagga Wagga, Australia | Erected |
| 1917 | Diocese of Bathurst, Australia (Forbes, Parkes, Peak Hill, Condobolin, Narromine, and Warren)
Diocese of Wilcannia, Australia | Name Changed | Diocese of Wilcannia-Forbes, Australia | Name Changed |
| 1917 | Archdiocese of Sydney, Australia (Milton, Braidwood, Araluen, Moruya, Cobargo, Bega, Pambula, Bombala, Cooma, Michelego, Queanbeyan, and Bungendore) | Territory Lost | Diocese of Goulburn, Australia | Territory Added |
| 1926 | Vicariate Apostolic of Nouvelle-Anvers, Congo (Dem. Rep.) (Lulonga) | Territory Lost | Prefecture Apostolic of Basankusu, Congo (Dem. Rep.) | Erected |
| 1926 | Vicariate Apostolic of Nyassa, Malawi (Area left of Longwa river up to 30th meridian and area left of the 30th meridian) | Territory Lost | Prefecture Apostolic of Zambese, Zimbabwe | Territory Added |
| 1934 | Diocese of Natal, Brazil | Territory Lost | Diocese of Mossoró, Rio Grande do Norte, Brazil | Erected |
| 1965 | Diocese of Eldoret, Kenya (Western part of Nyandarua) | Territory Lost | Diocese of Nyeri, Kenya | Territory Added |
| 1965 | Diocese of Tournai {Doornik}, Belgium (Kapelle-S. Petri, Bever-Akrenbos, Bever-S. Martini) | Territory Lost | Archdiocese of Mechelen-Brussel {Malines-Brussels}, Belgium | Territory Added |
| 1965 | Archdiocese of Mechelen-Brussel {Malines-Brussels}, Belgium (Vert-Chemin, Warresaix) | Territory Lost | Diocese of Tournai {Doornik}, Belgium | Territory Added |
| 1983 | Territorial Prelature of Coroico, Bolivia | Elevated | Diocese of Coroico, Bolivia | Elevated |
| 1994 | Territorial Prelature of Escuintla, Guatemala | Elevated | Diocese of Escuintla, Guatemala | Elevated |
| 1994 | Diocese of Badajoz, Spain | Elevated | Archdiocese of Mérida-Badajoz, Spain | Elevated |
| 1994 | Titular See of Emerita Augusta | Territory Added | ||
| 2003 | Archiepiscopal Exarchate of Kyiv-Vyshhorod (Ukrainian), Ukraine | Territory Lost | Archiepiscopal Exarchate of Odessa-Krym (Ukrainian), Ukraine | Erected |
| 2016 | Eparchy of Great Britain (Syro-Malabar) | Erected | ||
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