| Date | Age | Bishop | Title |
| unknown | 61.2 | Kryspin Cieszkowski † | Auxiliary Bishop of Lviv, Ukraine |
| unknown | 76.9 | Giambattista Donati † | Bishop of Cervia, Italy |
| unknown | 54.3 | José Ramón de Estrada y Orgas † | Bishop of Santa Cruz de la Sierra, Bolivia |
| unknown | | Anselmo José de Fraga y Márquez † | Bishop of Santa Marta, Colombia |
| unknown | 59.7 | Ladislaus Luzenszky † | Auxiliary Bishop of Esztergom, Hungary |
| unknown | 74.5 | Paolino Pace † | Bishop of Vico Equense, Italy |
| 8 Jan | 78.9 | Gregorio Lazzari, O.S.B. † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 18 Jan | 84.9 | Nicola Molinari, O.F.M. Cap. † | Bishop of Bovino, Italy |
| 24 Jan | 76.2 | Anselmo (Nicolò) Cattich, O.F.M. † | Bishop of Trebinje e Mrkan, Bosnia and Herzegovina |
| 20 Feb | 71.2 | Mariano Martí † | Bishop of Caracas, Santiago de Venezuela |
| 11 Mar | 72.9 | Miguel de Pamplona González Bassecourt, O.F.M. Cap. † | Bishop Emeritus of Arequipa, Peru |
| 12 Mar | 52.4 | Jean-Baptiste-Auguste de Villoutreix de Faye † | Bishop of Oloron (Oloron-Sainte-Marie), France |
| 19 Mar | 66.6 | Raymond de Durfort † | Archbishop of Besançon, France |
| 22 Apr | 71.2 | João Teixeira de Carvalho † | Bishop of Elvas, Portugal |
| 4 May | 66.5 | Giuseppe Garampi † | Cardinal, Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 21 May | 68.2 | Agustín Benito Torres, O. Carm. † | Bishop of Albarracin, Spain |
| 22 May | 83.4 | Giuseppe Luigi Avogadro, C.R.L. † | Bishop of Casale Monferrato, Italy |
| 4 Jun | 67.8 | César Constantin François de Hoensbroeck † | Bishop of Liège, Belgium |
| 15 Jun | 68.3 | Luis Velasco, O.F.M. † | Bishop of Paraguay |
| 16 Jun | 83.0 | Jean-Baptiste-Amédée de Grégoire de Saint-Sauveur † | Bishop of Bazas, France |
| 17 Jun | 75.8 | Rafael Lasala Locela, O.S.A. † | Bishop of Solsona, Spain |
| 21 Jun | 78.3 | Pietro Paolo Leonardi † | Bishop of Ascoli Piceno, Italy |
| 17 Jul | 55.9 | Cayetano Francos y Monroy † | Archbishop of Guatemala |
| 7 Aug | 91.4 | Antonio Alcalde y Barriga, O.P. † | Bishop of Guadalajara, Jalisco, México |
| 2 Sep | 53.8 | Bl. Jean-Marie du Lau d’Allemans † | Archbishop of Arles, France |
| 2 Sep | 56.3 | Bl. François-Joseph de La Rochefoucauld-Bayers † | Bishop of Beauvais, France |
| 2 Sep | 47.9 | Bl. Pierre-Louis de La Rochefoucauld-Bayers † | Bishop of Saintes, France |
| 9 Sep | 58.7 | Jean-Arnauld de Castellane † | Bishop of Mende, France |
| 9 Sep | 74.9 | Bernardo Pinto Ribeiro Seixas † | Bishop of Bragança e Miranda, Portugal |
| 28 Sep | 66.6 | François Pottier, M.E.P. † | Vicar Apostolic of Se-Ciuen (Setchoan), China |
| Oct | 53.9 | Giacinto Ignazio Pellegrini, O.P. † | Bishop of Krk (Veglia), Croatia |
| 15 Oct | 48.9 | Cayetano Peña Granada † | Bishop of Huesca, Spain |
| 31 Oct | 60.3 | Francesco Vincenzo Layezza (Laiezza) † | Bishop of Marsi, Italy |
| 2 Nov | 76.5 | Antonio Puoti † | Archbishop of Amalfi, Italy |
| 12 Nov | 72.9 | François de Narbonne-Lara † | Bishop of Evreux, France |
| 13 Nov | 72.3 | Tiberio Borghesi † | Archbishop of Siena, Italy |
| 26 Nov | 67.5 | Johann Heinrich von Kerens, S.J. † | Bishop of Sankt Pölten, Austria |
| 11 Dec | 73.3 | Antonino Cavaleri † | Bishop of Agrigento (Girgenti), Italy |
| 27 Dec | 54.8 | Erasmus Dionys Krieger † | Auxiliary Bishop of Praha {Prague}, Czech Republic |