| Date | Age | Bishop | Title |
|---|
| unknown | 72.2 | Jean-Sébastien de Barral † | Bishop of Castres, France |
| unknown | 85.0 | Charles-François-Alexandre Cardevac de Gouy d'Havrincourt † | Bishop of Perpignan-Elne, France |
| unknown | | Donato Antonio Giannelli † | Bishop of Bisceglie, Italy |
| unknown | 76.2 | Joaquín Herrera Bárcena, O.S.B. † | Bishop of Islas Canarias {Canary Islands}, Spain |
| unknown | 77.0 | Józef Tadeusz Kierski † | Bishop of Przemyśl, Poland |
| unknown | | Peter Kilkelly, O.P. † | Bishop of Kilmacduagh, Ireland |
| unknown | 78.8 | Alfonso Sozy Carafa, C.R.S. † | Bishop of Lecce, Italy |
| unknown | 77.8 | Nicola Spedalieri † | Bishop of Oppido Mamertina, Italy |
| 11 Jan | 58.5 | Jacques-Thomas Astesan † | Archbishop of Oristano, Italy |
| 31 Jan | 67.3 | João Cosme da Cunha (de Nossa Senhora da Porta), O.C.S.A. † | Cardinal, Archbishop of Évora, Portugal |
| 12 Mar | | Domenico Volpe † | Bishop of Sant’Angelo dei Lombardi-Bisaccia, Italy |
| 13 Mar | 74.5 | Leopold Ernst von Firmian † | Cardinal, Bishop of Passau, Germany |
| 14 Mar | 65.8 | Alessandro Pisani † | Bishop of Piacenza, Italy |
| 3 Apr | 74.3 | Manuel Buenaventura Figueroa Barrero † | Patriarch of West Indies, Antilles |
| 4 Apr | | Francesco Angelo Pastrovich † | Bishop of Viterbo e Tuscania, Italy |
| 4 Apr | 67.0 | Joaquín Antonio Sánchez Ferragudo † | Bishop of Lérida, Spain |
| 25 Apr | 68.3 | François de Révol † | Bishop of Oloron, France |
| 27 Apr | 86.7 | Giuseppe Pozzobenelli † | Cardinal, Archbishop of Milano {Milan}, Italy |
| 14 May | 74.7 | Francisco Laso Santos de San Pedro † | Bishop of Santander, Spain |
| 14 May | | Isidoro Sanchez de Luna, O.S.B. † | Archbishop of Salerno, Italy |
| 23 May | 66.8 | Juan García Montenegro † | Bishop of Urgell, Spain |
| Jun | 62.4 | Claude-Marc-Antoine d'Apchon de Corgenon † | Archbishop of Auch, France |
| 5 Jun | 61.3 | Juan Molina Lario y Navarro † | Bishop of Málaga, Spain |
| 5 Jul | 50.5 | Joaquín Santiyán Valdivieso † | Archbishop of Tarragona, Spain |
| 21 Jul | 43.1 | Giovanni Battista Rezzonico † | Cardinal, Cardinal-Deacon of S. Nicola in Carcere |
| 10 Aug | 57.6 | Francisco de São Simão, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 19 Sep | 68.7 | 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 | 79.9 | 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 |
| 29 Nov | 79.6 | Pierre François de Sales de Thorens † | Bishop of Aosta, Italy |
| 30 Nov | 79.1 | Felipe Beltrán Serrano † | Bishop of Salamanca, Spain |
| 5 Dec | | Lourenço de Santa Maria † | Bishop of Faro {Algarve}, Portugal |
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