| Date | Age | Bishop | Title |
|---|
| unknown | | Matteo Gagliani † | Bishop of Sora, Italy |
| unknown | 80.0 | Louis-Marie Pidou de Saint-Olon † | Bishop of Baghdad, Iraq |
| Jan | | Giovanni Uva † | Archbishop of Lanciano, Italy |
| 1 Jan | 62.1 | Esteban Bellido Guevara † | Bishop of Palencia, Spain |
| 2 Jan | 65.6 | Edme Bélot, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 12 Jan | 75.9 | Taddeo Luigi dal Verme † | Cardinal, Archbishop of Ferrara, Italy |
| 17 Feb | | Dondazio Alessio Malvicini Fontana † | Bishop of Foligno, Italy |
| 10 Mar | 59.2 | Joseph-Maurel du Chaffaut † | Bishop of Saint-Paul-Trois-Châteaux, France |
| 7 Apr | 58.8 | Lamberto Manuel López † | Bishop of Teruel, Spain |
| May | | Biagio Terzi † | Bishop of Isernia, Italy |
| 8 May | 72.4 | Mateo Foncillas Mozárabe † | Bishop of Jaca, Spain |
| 1 Jun | 65.0 | Franz Theodor Reichsritter von Guttenberg † | Auxiliary Bishop of Augsburg, Germany |
| 7 Jun | 73.4 | Pedro Granell † | Bishop of Barbastro, Spain |
| 12 Jun | | Diego Ladrón de Guevara † | Bishop of Quito, Ecuador |
| 15 Jun | 74.2 | Fabrizio Spada † | Cardinal, Cardinal-Bishop of Palestrina |
| 19 Aug | 74.6 | Manuel de Santo Tomás Mendoza, O.P. † | Bishop of Málaga, Spain |
| 20 Aug | | François-Joseph de Grammont † | Archbishop of Besançon, France |
| Sep | | Ambrose MacDermott, O.P. † | Bishop of Elphin, Ireland |
| 7 Sep | 65.7 | Gilles-Jean-François de Beauvau † | Bishop of Nantes, France |
| 25 Sep | 40.9 | Franz Karl Reichsgraf von Kaunitz-Rietberg † | Bishop of Ljubljana, Slovenia |
| 28 Sep | 84.7 | Francesco Martelli † | Cardinal, Titular Patriarch of Gerusalemme {Jerusalem}, Palestine |
| 13 Oct | | François-Louis de Polastron † | Bishop of Lectoure, France |
| 25 Oct | 71.9 | Nicola Grimaldi † | Cardinal, Cardinal-Priest of S. Matteo in Merulana |
| 16 Nov | 79.0 | Manuel Arias y Porres, O.S.H. † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 21 Nov | | Carlo Ottaviano Guasco † | Bishop of Cremona, Italy |
| 25 Nov | 53.9 | Antonio María Casiani, O.S.Bas. † | Bishop of Cartagena, Colombia |
| 1 Dec | 73.2 | Ferdinando Nuzzi † | Cardinal, Archbishop (Personal Title) of Orvieto, Italy |
| 15 Dec | 62.0 | Juan Miguélez Mendaña † | Bishop of Tortosa, Spain |
| 15 Dec | 57.8 | Andrea Riggio † | Bishop of Catania, Italy |
| 17 Dec | 43.0 | Pedro Sanz de la Vega y Landaverde, O. de M. † | Bishop of Cebu, Philippines |
| 23 Dec | 72.3 | António Vasconcelos e Sousa † | Bishop of Coimbra, Portugal |
| 30 Dec | | Adam Daemen † | Vicar Apostolic of Foreign Vicariate |
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