| Date | Age | Bishop | Title |
| unknown | 62.5 | Rosario Vincenzo Benza † | Bishop of Nicosia, Italy |
| unknown | 82.0 | Giuseppe Casamassima † | Auxiliary Bishop of Bari (-Canosa), Italy |
| 9 Jan | 71.5 | Luigi Reggianini † | Bishop of Modena (e Nonantola), Italy |
| 5 Feb | 64.8 | Stanislao Vincenzo Tomba, B. † | Archbishop of Camerino, Italy |
| 12 Feb | | Luca de Cigalla † | Bishop of Santorini {Thira}, Greece |
| 5 Mar | 89.2 | József Bélik † | Bishop of Spiš, Slovakia |
| 29 Mar | 70.4 | Bernard Georg Kellermann † | Bishop-Elect of Münster, Germany |
| 31 Mar | 83.5 | Serafino Matteo Ignazio Marie Carchero, O.F.M. Cap. † | Bishop of Bisarchio o Bisarcio (Ozieri), Italy |
| Apr | 77.2 | Paul Nicolas Guillier † | Prefect of French Guiana-Cayenne, Antilles |
| 1 Apr | 74.8 | John Murphy † | Bishop of Cork, Ireland |
| 15 Apr | 72.8 | Juan José Cabarcas González y Argüello † | Bishop of Panamá |
| 23 Apr | 59.5 | Michele de Gattis † | Bishop of Venosa, Italy |
| 23 Apr | 69.3 | Paolo Polidori † | Cardinal, Prefect of the Congregation of the Council |
| 25 Apr | 81.3 | Thomas Coen † | Bishop of Clonfert, Ireland |
| 24 May | 71.6 | Ludovico Micara, O.F.M. Cap. † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 26 May | 72.1 | Manoel Joaquim Gonçalves de Andrade † | Bishop of Săo Paulo, Brazil |
| 19 Jun | 45.3 | William Clancy † | Vicar Apostolic Emeritus of British Guiana, Guyana, Antilles |
| 20 Jun | 63.4 | Pawel Straszyński † | Bishop of Sejny o Sejna o Augustów, Poland |
| 21 Jun | 81.2 | Francisco Javier de Cienfuegos y Jovellanos † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 23 Jun | 44.2 | Charles Januarius Acton † | Cardinal, Prefect of the Congregation for Indulgences and Relics |
| 26 Jun | 84.3 | Gaetano Maria de Franci, C.R.M. † | Archbishop of Trani e Nazareth e Bisceglie, Italy |
| 1 Jul | 56.9 | Joăo Henriques Monis † | Bishop of Santiago de Cabo Verde |
| 9 Jul | 77.4 | Tomas Manoel de Noronha e Brito, O.P. † | Bishop Emeritus of Olinda, Brazil |
| 11 Aug | 47.6 | Francis George Mostyn † | Vicar Apostolic of Northern District, England, Great Britain |
| 12 Aug | 56.1 | Thomas Griffiths † | Vicar Apostolic of London District, England, Great Britain |
| 13 Aug | 85.8 | Giovanni De Simone, C.M. † | Bishop of Conversano, Italy |
| 20 Aug | 88.2 | Jean-Armand Chaudru de Trélissac † | Bishop Emeritus of Montauban, France |
| 24 Aug | 63.2 | Ivan (Jan) Snihurskyi † | Bishop of Przemyśl, Sambor, et Sanok (Ukrainian), Poland |
| 2 Sep | 64.3 | Gaetano Antonio Tigani † | Bishop of Anglona-Tursi, Italy |
| 13 Sep | 74.3 | Ugolino Carlini † | Bishop of Cortona, Italy |
| 18 Sep | 72.3 | József Kopácsy † | Archbishop of Esztergom, Hungary |
| 22 Sep | 47.7 | Jean-Pierre Dalmond, C.S.Sp. † | Prefect of Madagascar, Madagascar |
| 29 Sep | 59.6 | Anton Gottfried Claessen † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 30 Sep | 77.0 | Giuseppe Alberghini † | Cardinal, Cardinal-Priest of Santa Prisca |
| 1 Oct | 42.9 | Michael Power † | Bishop of Toronto, Ontario, Canada |
| 6 Oct | 82.3 | Joseph-Julien de Saint-Rome-Gualy † | Bishop of Carcassonne, France |
| 7 Oct | 78.5 | Francisco Pablo Vásquez Bizcaíno (y Sánchez) † | Bishop of Tlaxcala (Puebla de los Angeles), México |
| 16 Oct | 86.7 | Maria Nicolaus Silvester Guillon † | Titular Bishop of Marocco o Marruecos, Titular Sees |
| 2 Nov | 40.7 | William Riddell † | Vicar Apostolic of Northern District, England, Great Britain |
| 6 Nov | 72.9 | Luigi Francesco Paolo Maria Bovio, O.S.B. † | Bishop of Melfi e Rapolla, Italy |
| 6 Nov | 80.1 | Francisco Garcia Cantarines † | Auxiliary Bishop of Antequera, Oaxaca, México |
| 17 Nov | 88.3 | Francesco Saverio Caruana † | Bishop of Malta |
| 22 Nov | 88.1 | Placido Maria Tadini, O.C.D. † | Cardinal, Archbishop of Genova, Italy |
| 23 Nov | 35.0 | Jean-Benoît Truffet, C.S.Sp. † | Vicar Apostolic of Two Guineas {Des Deux Guinées}, Gabon |
| 27 Nov | 75.9 | Francis Joseph O’Finan, O.P. † | Bishop of Killala, Ireland |
| 2 Dec | 75.0 | Ján Krstitel Ladislav Pyrker (Pryker), O. Cist. † | Archbishop of Eger, Hungary |
| 13 Dec | 55.9 | László Barkóczy † | Bishop of Székesfehérvár (Albareale), Hungary |
| 27 Dec | | Fortunato Maria Ercolani, C.P. † | Bishop of Civita Castellana, Orte e Gallese, Italy |
| 29 Dec | 75.3 | Félix Torres y Amat † | Bishop of Astorga, Spain |