| Date | Age | Bishop | Title |
|---|
| unknown | 71.7 | Massenzio dei Conti Filo † | Bishop of Castellaneta, Italy |
| unknown | | Romualdu Massei † | Bishop of Nebbio, France |
| unknown | | Giovan Battista Miceli † | Bishop of Cassano all’Jonio, Italy |
| unknown | | Francesco Pacca † | Archbishop of Benevento, Italy |
| unknown | | Domenico Rovegno † | Archbishop of Brindisi, Italy |
| unknown | | Richard Walsh † | Bishop of Cork, Ireland |
| 18 Jan | 54.7 | Girolamo Colonna di Sciarra † | Cardinal, Cardinal-Deacon of S. Agata de’ Goti |
| 19 Jan | | Antoine-Jérôme Boyvin de Vaurouy † | Former Bishop-Elect of Perpignan-Elne, France |
| 19 Jan | 76.6 | Antoni Józef Zolkowski † | Auxiliary Bishop of Vilnius, Lithuania |
| 27 Jan | 59.4 | Johann Theodor von Bayern † | Cardinal, Bishop of Regensburg, Germany |
| 29 Jan | 67.0 | Juan José de Eguiara y Eguren † | Former Bishop-Elect of Yucatán (Mérida), Yucatán, México |
| 8 Feb | 87.1 | Charles-Alexandre Le Filleul de La Chapelle † | Bishop of Vabres, France |
| 2 Mar | 53.2 | Baldassare Cenci (Jr.) † | Cardinal, Cardinal-Priest of S. Maria in Ara Coeli |
| 4 Apr | 59.6 | Nicolás Gil Martínez y Malo † | Bishop of Santa Marta, Colombia |
| 12 Apr | 69.2 | Giuseppe Spinelli † | Cardinal, Cardinal-Bishop of Ostia |
| 4 Jun | 73.9 | Johann Friedrich Karl Reichgraf von Ostein † | Archbishop of Mainz, Germany |
| 11 Jun | 70.5 | Camillo Paolucci † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 15 Jun | 50.1 | Josef Maria Reichsgraf von Thun und Hohenstein † | Bishop of Passau, Germany |
| 21 Jun | | Richard Lincoln † | Archbishop of Dublin, Ireland |
| 18 Jul | 64.5 | Pierre-Annet de Pérouse † | Bishop of Gap, France |
| 23 Aug | | Charles-François Couton † | Bishop of Nice, France |
| 12 Sep | 72.3 | Simon-Pierre de Lacoré (La Corée) † | Bishop of Saintes, France |
| 2 Oct | 65.9 | Claude-Antoine de Choiseul-Beaupré † | Bishop of Chalons-sur-Marne, France |
| 11 Oct | 74.8 | Pierre Louis Jacquet † | Auxiliary Bishop of Liège, Belgium |
| 16 Oct | | Michele Vittorio Villa † | Bishop of Ivrea, Italy |
| 18 Oct | 69.1 | Giovanni Francesco Banchieri † | Cardinal, Cardinal-Priest of S. Adriano al Foro |
| 18 Oct | 68.5 | Ludovico Valenti † | Cardinal, Bishop of Rimini, Italy |
| 26 Oct | 87.4 | Johann Moritz Gustav Reichsgraf von Manderscheid-Blankenheim † | Archbishop of Praha {Prague}, Czech Republic |
| 2 Nov | | Joseph-Nicolas Deschamps de Chaumont † | Bishop of Genève {Geneva}, Switzerland |
| 7 Nov | 76.9 | Ferdinando Romualdo Guiccioli † | Archbishop of Ravenna, Italy |
| 8 Nov | 73.3 | Henri-Constance de Lort de Sérignan de Valras † | Bishop of Mâcon, France |
| 20 Nov | 43.4 | Philipp Wirich Lorenz Graf von Daun zu Sassenheim und Callenborn † | Auxiliary Bishop of Passau, Germany |
| 28 Nov | 80.3 | Domingo Pantaleón Álvarez de Abreu † | Bishop of Tlaxcala, Tlaxcala, México |
| 11 Dec | 79.4 | Ramón Francisco Agustín Eura, O.S.A. † | Bishop of Orense, Spain |
| 23 Dec | 55.0 | Antoine de Lastic † | Bishop of (Saint-Bernard de) Comminges, France |
| 23 Dec | | Antoine de Lastic † | Bishop of Chalons-sur-Marne, France |
| 23 Dec | 76.8 | Costantino Serra, C.R.S. † | Bishop of Albenga, Italy |
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