| Date | Age | Bishop | Title |
|---|
| unknown | 58.2 | Franciszek Kaznowski † | Auxiliary Bishop of Poznań, Poland |
| unknown | 74.0 | Edmund Kelly † | Bishop of Clonfert, Ireland |
| unknown | 45.0 | Nikola Tomašić † | Bishop of Scardona (Skradin), Croatia |
| 3 Jan | 84.7 | Magino Ventallol, O.P. † | Vicar Apostolic of Fukien (Kuiceu), China |
| 8 Jan | 59.2 | Hieronim Maciej Jełowicki † | Auxiliary Bishop of Lviv, Ukraine |
| 15 Jan | | Francesco Barabàra † | Prelate of Santa Lucia del Mela, Italy |
| 3 Feb | 76.9 | Jean-Claude de La Poype de Vertrieu † | Bishop of Poitiers, France |
| 10 Feb | 73.1 | Rodrigo Marín y Rubio † | Bishop of Jaén, Spain |
| 24 Feb | 78.4 | Prospero Marefoschi † | Cardinal, Cardinal-Priest of San Silvestro in Capite |
| Mar | 52.0 | Lelio Valentino Contessini-Ettorio † | Bishop of Pula (Pola), Croatia |
| 11 Apr | 72.0 | Colombino Bassi, O.S.B. † | Bishop of Pistoia e Prato, Italy |
| 12 Apr | 56.6 | Giulio Cesare Compagnoni † | Bishop of San Severino (Marche), Italy |
| 15 Apr | 78.2 | Jacques-Antoine Phélypeaux † | Bishop of Lodève, France |
| 18 Apr | 67.7 | Franz Ludwig am Rhein zu Neuburg † | Archbishop-Elect of Mainz, Germany |
| 24 Apr | 45.3 | Charles-Louis-Auguste Le Tonnelier de Breteuil † | Bishop of Rennes, France |
| 30 Apr | 64.3 | Nicola Guerriero † | Bishop of Ravello e Scala, Italy |
| 14 May | 75.6 | Vittorio Mazzocca, O.P. † | Bishop of Novigrad (Cittanova), Croatia |
| 21 May | 74.5 | Raymond Recrosio, B. † | Bishop of Nice, France |
| 23 May | 53.0 | Winimar Knippschild, O.S.B. † | Auxiliary Bishop of Paderborn, Germany |
| 2 Jul | 63.6 | Felicjan Konstanty Szaniawski † | Bishop of Kraków, Poland |
| 9 Jul | 74.2 | Donato Ansani † | Bishop of Marsico Nuovo, Italy |
| 10 Jul | 61.6 | Gabriel Germanos Farhat, O.L.M. † | Bishop of Alep [Beroea, Halab] (Maronite), Syria |
| Aug | 72.7 | Giovanni Antonio Chiaiese † | Bishop of Mottola (Motula), Italy |
| Aug | 81.0 | Giambattista Isnardi de Castello † | Bishop of Mondovi, Italy |
| 3 Aug | 51.6 | Filippo de Amato † | Bishop of Umbriatico (Umbriaticum), Italy |
| 5 Aug | 66.7 | Miguel Esteban Pérez Estremera, O.S. † | Titular Bishop of Danaba |
| 13 Aug | 73.6 | Jan Joachim Tarło † | Bishop of Poznań, Poland |
| 16 Aug | | Francis Burke, O.F.M. Obs. † | Bishop of Kilmacduagh, Ireland |
| 28 Aug | 59.8 | Imre Csáky † | Cardinal, Archbishop of Kalocsa, Hungary |
| 29 Aug | 69.4 | Luigi Antonio Appiani, C.M. † | Priest of Congregation of the Mission |
| 22 Sep | 61.0 | Marco Antonio Raimundi † | Bishop of Cariati e Cerenzia, Italy |
| 29 Sep | 80.2 | Wilhelm Franz Johann Bertrand von Nesselrode † | Bishop of Pécs, Hungary |
| 7 Oct | 52.7 | Giovanni Francesco Bossi, O.F.M. Conv. † | Archbishop of Naxos, Greece |
| 8 Oct | 83.6 | Antonio Vaira † | Bishop of Adria, Italy |
| 15 Oct | 75.0 | Tommaso d’Aquino, C.R. † | Bishop of Vico Equense, Italy |
| Nov | 79.6 | Thomas Angelus Passante, Sch. P. † | Bishop of Pozzuoli, Italy |
| 3 Nov | 65.8 | Josaphat Parysowicz, O.F.M. Conv. † | Bishop of Bacău, Romania |
| 15 Nov | 40.1 | Franciscus Aloysius von Lamberg † | Auxiliary Bishop of Passau, Germany |
| 28 Nov | 68.2 | Henri-Charles du Camboust de Coislin † | Bishop of Metz, France |
| Dec | 68.5 | Dionigi Gioacchino Belmont, O.S.M. † | Bishop of Alghero, Italy |
| Dec | 55.0 | Filippo Positano † | Bishop of Calvi Risorta, Italy |
| 13 Dec | 74.6 | Francesco Trevisani † | Bishop of Verona, Italy |
| 14 Dec | 80.9 | Bernard d’Abbadie d’Arbocave † | Bishop of Acqs (Dax), France |
| 19 Dec | 70.3 | Nicolao Gaetano Aprosio, C.R. † | Bishop of Nebbio, France |
| 25 Dec | 74.9 | Francisco Ochoa Mendarozqueta y Arzamendi † | Bishop of Palencia, Spain |
| 30 Dec | 64.7 | Cornelio Bentivoglio † | Cardinal, Cardinal-Priest of Santa Cecilia |
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