| Date | Age | Bishop | Title |
|---|
| unknown | 50.8 | Valentinus Matthias Arcemberski † | Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| unknown | 54.3 | Lukasz Jacek Czermiński † | Auxiliary Bishop of Przemyśl, Poland |
| unknown | 67.0 | Bernard Donogher † | Vicar Apostolic of Ardagh (and Clonmacnois), Ireland |
| Jan | 70.6 | Giovanni Uva, O.F.M. † | Archbishop of Lanciano, Italy |
| 1 Jan | 62.0 | 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 | 74.2 | Silvius de Cavalieri † | Titular Archbishop of Athenae |
| 12 Jan | 75.9 | Taddeo Luigi dal Verme † | Cardinal, Bishop of Ferrara, Italy |
| 5 Feb | 82.0 | Francesco Antonio Leopardi † | Bishop of Tricarico, Italy |
| 17 Feb | 41.3 | Dondazio Alessio Malvicini Fontana † | Bishop of Foligno, Italy |
| 25 Feb | 59.8 | Filippo della Torre † | Bishop of Adria, Italy |
| 10 Mar | 58.3 | Joseph de 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 | 72.3 | Mateo Foncillas Mozárabe † | Bishop of Jaca, Spain |
| 2 Jun | 65.0 | Franz Theodor von Guttenberg † | Auxiliary Bishop of Augsburg, Germany |
| 7 Jun | 73.4 | Pedro Granell † | Bishop of Barbastro, Spain |
| 15 Jun | 74.2 | Fabrizio Spada † | Cardinal, Cardinal-Bishop of Palestrina |
| 18 Jul | 36.6 | Adamus Benedictus Ratkaj (Ratkay) † | Bishop of Senj (-Modruš), Croatia |
| 31 Jul | 63.8 | Pietro Paolo Calorio (Calore), C.R.S. † | Bishop of Krk (Veglia), Croatia |
| 19 Aug | 74.6 | Manuel de Santo Tomás y Mendoza, O.P. † | Bishop of Málaga, Spain |
| 20 Aug | 73.2 | François-Joseph de Grammont † | Archbishop of Besançon, France |
| 27 Aug | 40.8 | Franz Karl von Kaunitz-Rietberg † | Bishop of Ljubljana (Laybach; Laibach), Slovenia |
| Sep | 61.8 | Matteo Gagliani † | Bishop of Sora, Italy |
| Sep | 66.6 | Ambrose MacDermott, O.P. † | Bishop of Elphin, Ireland |
| Sep | 81.8 | Domenico Pacifico † | Bishop of Teano, Italy |
| 6 Sep | 65.6 | Gilles-Jean-François de Beauvau du Rivau † | Bishop of Nantes, France |
| 19 Sep | 71.4 | Marco Battista Battaglini † | Bishop of Cesena, Italy |
| 28 Sep | 84.6 | Francesco Martelli † | Cardinal, Cardinal-Priest of Sant’Eusebio |
| 13 Oct | 64.7 | François-Louis de Polastron † | Bishop of Lectoure, France |
| 25 Oct | 71.8 | 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 | 80.1 | Louis-Marie Pidou de Saint-Olon, C.R. † | Bishop of Baghdad, Iraq |
| 21 Nov | 67.8 | Carlo Ottaviano Guasco † | Bishop of Cremona, Italy |
| 25 Nov | 53.8 | Antonio María Casiani, O.S.Bas. † | Bishop of Cartagena, Colombia |
| 1 Dec | 72.2 | Ferdinando Nuzzi † | Cardinal, Bishop of Orvieto, Italy |
| 15 Dec | 61.9 | Juan Miguélez Mendaña † | Bishop of Tortosa, Spain |
| 15 Dec | 57.7 | Andreas Riggio † | Bishop of Catania, Italy |
| 23 Dec | 72.3 | António Vasconcelos e Sousa † | Bishop of Coimbra, Portugal |
| 30 Dec | 47.9 | Adam Daemen † | Vicar Apostolic of Batavia (Holland Mission), Netherlands |
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