| Date | Age | Bishop | Title |
|---|
| unknown | 50.9 | Valentinus Matthias Arcemberski † | Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| unknown | 54.4 | Hyacinthus Lucas Czermiński † | Auxiliary Bishop of Przemyśl, Poland |
| Jan | 70.6 | Giovanni Uva, O.F.M. † | 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}, Viet Nam |
| 11 Jan | 74.3 | Silvius de Cavalieri † | Titular Archbishop of Athenae |
| 12 Jan | 75.9 | Taddeo Luigi dal Verme † | Cardinal, Bishop of Ferrara, Italy |
| Feb | 82.0 | Francesco Antonio Leopardi † | Bishop of Tricarico, Italy |
| 17 Feb | 41.3 | Dondazio Alessio Malvicini Fontana † | Bishop of Foligno, Italy |
| 25 Feb | 61.1 | Filippo della Torre † | Bishop of Adria, Italy |
| 10 Mar | 58.4 | Joseph-Maurel du Chaffaut † | Bishop of Saint-Paul-Trois-Châteaux, France |
| 20 Mar | 83.2 | Onofrio Costantini † | Titular Archbishop of Derbe |
| 7 Apr | 58.8 | Lamberto Manuel López † | Bishop of Teruel, Spain |
| May | 71.3 | Francesco Masones y Nin † | Archbishop of Oristano, Italy |
| May | 64.3 | Biagio Terzi † | Bishop of Isernia, Italy |
| 8 May | 72.4 | Mateo Foncillas Mozárabe † | Bishop of Jaca, Spain |
| 1 Jun | 65.0 | Franz Theodor von Guttenberg † | Auxiliary Bishop of Augsburg, Germany |
| 7 Jun | 73.4 | Pedro Granell † | Bishop of Barbastro, Spain |
| 12 Jun | 77.4 | Diego Ladrón de Guevara † | Bishop of Quito, Ecuador |
| 15 Jun | 74.2 | Fabrizio Spada † | Cardinal, Cardinal-Bishop of Palestrina |
| Jul | 36.7 | Adamus Ratkay † | Bishop of Senj (-Modruš), Croatia |
| 31 Jul | 63.9 | Pietro Paolo Calorio, C.R.S. † | Bishop of Krk (Veglia), Croatia |
| 19 Aug | 74.6 | Manuel de Santo Tomás Mendoza, O.P. † | Bishop of Málaga, Spain |
| 20 Aug | 73.3 | François-Joseph de Grammont † | Archbishop of Besançon, France |
| Sep | 61.9 | Matteo Gagliani † | Bishop of Sora, Italy |
| Sep | | Ambrose MacDermott, O.P. † | Bishop of Elphin, Ireland |
| Sep | 81.9 | Domenico Pacifico † | Bishop of Teano, Italy |
| 7 Sep | 65.7 | Gilles-Jean-François de Beauvau † | Bishop of Nantes, France |
| 19 Sep | 71.5 | Marco Battista Battaglini † | Bishop of Cesena, Italy |
| 25 Sep | 40.9 | Franz Karl von Kaunitz-Rietberg † | Bishop of Ljubljana, Slovenia |
| 28 Sep | 84.7 | Francesco Martelli † | Cardinal, Cardinal-Priest of Sant’Eusebio |
| 13 Oct | | François-Louis de Polastron † | Bishop of Lectoure, France |
| 25 Oct | 71.9 | Nicola Grimaldi † | Cardinal, Cardinal-Priest of San Matteo in Merulana |
| 16 Nov | 79.0 | Manuel Arias y Porres, O.S.Io.Hieros. † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 20 Nov | 80.9 | Louis-Marie Pidou de Saint-Olon, C.R. † | Bishop of Baghdad, Iraq |
| 21 Nov | 67.9 | 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, Bishop of Orvieto, Italy |
| 15 Dec | 62.0 | Juan Miguélez Mendaña † | Bishop of Tortosa, Spain |
| 15 Dec | 57.8 | Andreas 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 Batavia (Holland Mission), Netherlands |
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