| Date | Age | Bishop | Title |
|---|
| unknown | 40.6 | António da Assunção, O.E.S.A. † | Bishop-Elect of São Tomé of Meliapore, India |
| unknown | 90.4 | Carmine Cioffi † | Titular Bishop of Antaeopolis |
| unknown | 64.4 | Giovanni Tommaso Gallarati Ghislieri † | Titular Bishop of Paros |
| unknown | 65.5 | Domenico Russo † | Bishop of Monopoli, Italy |
| 11 Jan | 58.5 | Jacques-Thomas Astesan, O.P. † | Archbishop of Oristano, Italy |
| 11 Jan | 81.0 | Jakub Stefan Augustynowicz † | Coadjutor Archbishop of Lviv (Armenian), Ukraine |
| 16 Jan | 76.7 | Józef Tadeusz Kierski † | Bishop of Przemyśl, Poland |
| 31 Jan | 67.3 | João Cosme da Cunha (de Nossa Senhora da Porta), O.C.S.A. † | Cardinal, Archbishop of Évora, Portugal |
| 19 Feb | 78.9 | Alfonso Sozi Carafa, C.R.S. † | Bishop of Lecce, Italy |
| 1 Mar | 83.9 | Charles-François-Alexandre Cardevac de Gouy d’Havrincourt † | Bishop of Perpignan-Elne, France |
| 12 Mar | 74.5 | Domenico Volpe † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
| 13 Mar | 74.4 | Leopold Ernst von Firmian † | Cardinal, Bishop of Passau, Germany |
| 14 Mar | 74.5 | Francisco Laso Santos de San Pedro † | Bishop of Santander, Spain |
| 14 Mar | 65.8 | Alessandro Pisani † | Bishop of Piacenza, Italy |
| 3 Apr | 74.2 | Manuel Buenaventura Figueroa Barrero † | Patriarch of West Indies, Spain |
| 4 Apr | 72.5 | Francesco Angelo Pastrovich, O.F.M. Conv. † | Bishop of Viterbo e Tuscania, Italy |
| 4 Apr | 67.0 | Joaquín Antonio Sánchez Ferragudo † | Bishop of Lérida, Spain |
| 5 Apr | 78.1 | Nicola Spedalieri † | Bishop of Oppido Mamertina, Italy |
| 18 Apr | 81.1 | Giovanni Carmine Pellerano, O.S.Io.Hieros. † | Bishop Emeritus of Malta |
| 25 Apr | 67.2 | François de Révol † | Bishop of Oloron (Oloron-Sainte-Marie), France |
| 27 Apr | 86.7 | Giuseppe Pozzobonelli † | Cardinal, Archbishop of Milano {Milan}, Italy |
| 21 May | 61.9 | Claude-Marc-Antoine d’Apchon de Corgenon † | Archbishop of Auch, France |
| 23 May | 66.8 | Juan García Montenegro † | Bishop of Urgell, Spain |
| 29 May | 84.4 | Peter Kilkelly (Killikelly), O.P. † | Bishop of Kilmacduagh, Ireland |
| 5 Jun | 61.2 | José Molina Lario y Navarro † | Bishop of Málaga, Spain |
| 18 Jun | 82.6 | Ferenc Zichy † | Bishop of Győr (Raab), Hungary |
| 28 Jun | 68.0 | Nicolaus Difnico † | Bishop of Šibenik (Knin), Croatia |
| 5 Jul | 50.4 | Joaquín Santiyán y Valdivieso † | Archbishop of Tarragona, Spain |
| 21 Jul | 43.1 | Giovanni Battista Rezzonico † | Cardinal, Cardinal-Deacon of San Nicola in Carcere |
| 23 Jul | 58.2 | Gaspard-Augustin Laurent de Sainte-Agnès, O.F.M. Conv. † | Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
| Aug | 80.1 | Antonio Francesco de Plato † | Bishop of Tricarico, Italy |
| 9 Aug | 83.2 | Hieronim Antoni Szeptycki † | Bishop of Płock, Poland |
| 10 Aug | 56.8 | Francisco de São Simão, O.F.M. Ref. † | Bishop of Santiago de Cabo Verde |
| 19 Sep | 68.4 | Joseph Rolin de Morel de Mons † | Bishop Emeritus of Viviers (Aps), France |
| 20 Sep | 57.6 | Jean-Auguste Frétat de Sarra † | Bishop of Nantes, France |
| 21 Sep | 79.8 | Jacques-Marie de Caritat de Condorcet † | Bishop of Lisieux, France |
| 6 Oct | 62.3 | Antoine-René Bardonnenche † | Bishop of Vence, France |
| 26 Oct | 75.8 | Plaicart de Raigecourt † | Bishop of Aire, France |
| 18 Nov | 56.7 | Pasquale Maria Mastrilli, C.R. † | Titular Archbishop of Nazareth |
| 30 Nov | 79.1 | Felipe Beltrán Serrano † | Bishop of Salamanca, Spain |
| 4 Dec | 77.1 | Joaquín Herrera Bárcena, O. Cist. † | Bishop of Islas Canarias {Canary Islands}, Spain |
| 5 Dec | 79.8 | Francisco de Mello, O.F.M. Ref. † | Bishop of Faro {Algarve}, Portugal |
| 5 Dec | 79.6 | Pierre François de Sales de Thorens † | Bishop of Aosta, Italy |
| 26 Dec | 65.8 | Anton de Révay † | Bishop of Nitra, Slovakia |
| 30 Dec | 66.3 | Giovanni Pietro Riboli † | Bishop of Hvar (Lesina), Croatia |
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