| Date | Age | Bishop | Title |
| unknown | 60.7 | Nicola Bedini † | Bishop of Terracina, Priverno e Sezze, Italy |
| unknown | 82.6 | Nicola-Maria Laudisio † | Bishop of Policastro, Italy |
| unknown | 62.7 | Michelangelo Pieramico † | Bishop of Potenza e Marsico Nuovo, Italy |
| unknown | 55.7 | Domenico Ventura † | Archbishop of Amalfi, Italy |
| 3 Jan | 51.3 | Manuel de Santa Rita Barros, T.O.R. † | Bishop of Angola e Congo, Angola |
| 17 Jan | 64.2 | Florencio Llorente Montón † | Bishop of Gerona, Spain |
| 30 Jan | 82.0 | Gaspare Bernardo Pianetti † | Cardinal, Bishop Emeritus of Viterbo e Tuscania, Italy |
| 3 Mar | 49.2 | Adam Jasinski † | Bishop of Przemyśl, Poland |
| 11 Mar | 76.2 | José Lázaro de la Garza y Ballesteros † | Archbishop of México, Federal District |
| 15 Mar | 64.3 | José Xavier de Cerveira e Sousa † | Bishop of Viseu, Portugal |
| 26 Mar | 73.0 | Luigi Fransoni † | Archbishop of Torino {Turin}, Italy |
| 13 Apr | 62.5 | Giovanni Domenico Rizzolati, O.F.M. † | Vicar Apostolic of Northern Honan {Ho-Nan Settentrionale}, China |
| 10 Jun | 59.5 | Andrew Byrne † | Bishop of Little Rock, Arkansas, USA |
| 18 Jun | 63.7 | Patrick Raymond Griffith, O.P. † | Vicar Apostolic of Cape of Good Hope, Western District {Capo di Buona Speranza, Distretto Occidentale}, South Africa |
| 18 Jun | 56.7 | Jean-Baptiste Pallegoix, M.E.P. † | Vicar Apostolic of Eastern Siam {Siam Orientale}, Thailand |
| 4 Jul | 68.5 | Jacques-Louis Daniel † | Bishop of Coutances (-Avranches), France |
| 8 Jul | 56.0 | Antonio Palau Termes † | Bishop of Barcelona, Spain |
| 31 Jul | 51.5 | André-Pierre Borgniet, S.J. † | Vicar Apostolic of Kiangnan, China |
| 26 Aug | 80.4 | Manuel Joaquín Tarancón y Morón † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 30 Aug | 83.9 | Johann Peter Mirer † | Bishop of Sankt Gallen, Switzerland |
| 13 Sep | 49.6 | François-Marie-Henri-Agathon Pellerin, M.E.P. † | Vicar Apostolic of Northern Cochin {Cocincina Settentrionale}, Viêt Nam |
| 19 Sep | 41.7 | Ferdinand English † | Archbishop of Port of Spain, Trinidad and Tobago, Antilles |
| 24 Sep | 61.8 | Bl. Anton Martin Slomšek † | Bishop of Lavant, Slovenia |
| 5 Oct | 62.8 | Joseph-Auguste-Victorin Morlhon † | Bishop of Le Puy-en-Velay, France |
| 13 Oct | 59.1 | Luis José Gabriel Segura y Cubas † | Bishop of Paraná, Argentina |
| 5 Nov | 60.2 | Sébastin-Théophille Neyret † | Vicar Apostolic of Vizagapatam, India |
| 17 Dec | 66.1 | Karl Arnold-Obrist † | Bishop of Basel, Switzerland |
| 28 Dec | 66.2 | Rafael Manso † | Bishop of Zamora, Spain |
| 29 Dec | 67.0 | François-Nicholas-Madeleine Morlot † | Cardinal, Archbishop of Paris, France |