| Date | Age | Bishop | Title |
| unknown | | Jan Bużeński † | Auxiliary Bishop of Gniezno, Poland |
| 12 Jan | 42.0 | Antonio do Espirito Santo, O.C.D. † | Bishop of Angola e Congo |
| 21 Jan | 53.0 | Matteo di Génnaro † | Archbishop of Reggio Calabria, Italy |
| 30 Jan | 64.0 | Matteo Benlich, O.F.M. † | Bishop of Beograd {Belgrade}, Serbia |
| 8 Feb | 73.1 | Fabio dos Reis Fernandes, O. Carm. † | Bishop of Santiago de Cabo Verde |
| 12 Feb | 60.8 | Juan López, O.P. † | Archbishop of Manila, Philippines |
| 27 Feb | 77.1 | Bartolomé de Foncalda (Fontcalda), O.S.A. † | Bishop of Huesca, Spain |
| 5 Mar | | Raffaele de Palma, O.F.M. Conv. † | Bishop of Oria, Italy |
| 6 Mar | 78.1 | Pietro Lanfranconi, O.S.A. † | Bishop of Terni, Italy |
| 16 Mar | 68.2 | Claude Ruffier † | Bishop of Saint-Paul-Trois-Châteaux, France |
| 25 Mar | 69.1 | Giacinto Tarugi (Torisi), O.P. † | Bishop of Venosa, Italy |
| 3 Apr | 77.3 | Gabriel Adarzo de Santander y Martínez de Viaín, O. de M. † | Archbishop of Otranto, Italy |
| 13 Apr | 76.2 | Giovanni Battista Imperiali, C.R. † | Bishop of Aleria, France |
| 29 Apr | 59.3 | Pietro Martire Rusca, O.F.M. Conv. † | Bishop of Caorle, Italy |
| 7 May | 86.3 | Wolther Heinrich von Strevesdorff, O.E.S.A. † | Auxiliary Bishop of Mainz, Germany |
| 12 May | 64.3 | Francesco Maria Annoni, C.R. † | Bishop of Muro Lucano, Italy |
| 15 May | 57.3 | Kazimierz Florian Czartoryski † | Archbishop of Gniezno, Poland |
| 17 May | 54.3 | Francisco José Crespos de Escobar † | Bishop of Agrigento (Girgenti), Italy |
| 21 May | 68.3 | Gabriel (Havrylo) Kolenda, O.S.B.M. † | Archbishop of Kyiv-Halyč {Kiev} (Ukrainian), Ukraine |
| 22 May | 75.1 | Francisco de Gamboa, O.S.A. † | Archbishop of Zaragoza, Spain |
| 4 Jun | 89.4 | Giovanni Agostino Marliani † | Bishop of Reggio Emilia, Italy |
| 9 Jun | 58.4 | Alfonso Bravo de Laguna, O.F.M. † | Bishop of Nicaragua |
| 14 Jun | 76.4 | Benedicto Sánchez de Herrera † | Bishop of Pozzuoli, Italy |
| 28 Jun | 68.4 | Pierre de Bertier † | Bishop of Montauban, France |
| 13 Jul | 53.5 | Gabriel de Almeida, O. Cist. † | Bishop of Funchal, Portugal |
| 14 Jul | 66.5 | Matteo Avanian, O.P. † | Archbishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia |
| 23 Jul | 66.2 | Giuseppe Zonga Ondedei † | Bishop of Fréjus, France |
| 23 Jul | 66.5 | Pierre Parcevich † | Vicar Apostolic of Moldavia |
| 13 Aug | 44.6 | Filippo Soldani † | Bishop of Fiesole, Italy |
| 27 Aug | 66.6 | Alexander Fabri † | Bishop of Orange, France |
| 1 Sep | 73.6 | Petăr Bogdan Bakšič, O.F.M. Obs. † | Archbishop of Sardica (Sredek, Sofia), Bulgaria |
| 13 Sep | 59.6 | Jacques Adhémar de Monteil de Grignan † | Bishop of Uzés, France |
| 19 Sep | 54.7 | Louis-Henri de Pardaillon de Gondrin † | Archbishop of Sens, France |
| 22 Sep | | Ladislas Jonnart † | Archbishop of Cambrai, France |
| 26 Sep | 65.0 | Ottavio Acquaviva d’Aragona (Jr.) † | Cardinal, Cardinal-Priest of Santa Cecilia |
| 20 Oct | 68.8 | Rodrigo de Mandia y Parga † | Bishop of Astorga, Spain |
| 28 Oct | 65.0 | Giovanni Bona † | Cardinal, Cardinal-Priest of San Bernardo alle Terme |
| 13 Nov | 76.8 | Pietro Francesco Moia, C.R.S. † | Bishop of Telese o Cerreto Sannita, Italy |
| 16 Nov | 76.8 | Vincenzo Maffia, O.P. † | Bishop of Patti, Italy |
| 15 Dec | 59.9 | Francesco Angelucci † | Bishop of Veroli, Italy |
| 19 Dec | 55.5 | Marcello Santacroce † | Cardinal, Bishop of Tivoli, Italy |
| 24 Dec | 53.9 | Daniel Mackey † | Bishop of Dromore, Ireland |
| 24 Dec | | Michele Angelo Vincentini † | Bishop Emeritus of Gerace, Italy |