| Date | Age | Bishop | Title |
| unknown | 58.3 | Franciszek Kaznowski † | Auxiliary Bishop of Poznań, Poland |
| unknown | 65.0 | Josaphat Parysowicz, O.F.M. Conv. † | Bishop of Bacău, Romania |
| unknown | 66.2 | Miguel Esteban Pérez Estremera, O.S. † | Titular Bishop of Danaba |
| unknown | 39.3 | Franciscus Aloysius von Lamberg † | Auxiliary Bishop of Passau, Germany |
| 3 Jan | 84.8 | Magino Ventallol, O.P. † | Vicar Apostolic of Fo-Kien, China |
| 8 Jan | 59.3 | Hieronim Maciej Jełowicki † | Auxiliary Bishop of Lviv, Ukraine |
| 15 Jan | | Francesco Barabara † | Prelate of Santa Lucia del Mela, Italy |
| 3 Feb | 77.1 | Jean-Claude de La Poype de Vertrieu † | Bishop of Poitiers, France |
| 10 Feb | 73.1 | Rodrigo Marín 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 | 72.1 | Colombino Bassi, O.S.B. † | Bishop of Pistoia e Prato, Italy |
| 12 Apr | 56.7 | Giulio Cesare Compagnoni † | Bishop of San Severino (Marche), Italy |
| 15 Apr | 78.3 | 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 | 74.6 | 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 Anzani † | Bishop of Marsico Nuovo, Italy |
| 10 Jul | 61.6 | Gabriel Germanos Farhat, O.L.M. † | Bishop of Alep [Beroea, Halab] (Maronite), Syria |
| Aug | 72.8 | Giovanni Antonio Chiaiese † | Bishop of Mottola (Motula), Italy |
| Aug | 81.2 | Giambattista Isnardi de Castello † | Bishop of Mondovi, Italy |
| 3 Aug | 51.7 | Philippus de Amato † | Bishop of Umbriatico (Umbriaticum), Italy |
| 13 Aug | 73.7 | Jan Joachim Tarło † | Bishop of Poznań, Poland |
| 28 Aug | 59.8 | Imre Csáky † | Cardinal, Archbishop of Kalocsa, Hungary |
| 22 Sep | 61.0 | Marco Antonio Raimundi † | Bishop of Cariati e Cerenzia, Italy |
| 29 Sep | 80.3 | Wilhelm Franz Johann Bertrand von Nesselrode † | Bishop of Pécs, Hungary |
| Oct | 53.8 | Giovanni Francesco Bossi, O.F.M. Conv. † | Archbishop of Naxos, Greece |
| 8 Oct | 83.7 | Antonio Vaira † | Bishop of Adria, Italy |
| 15 Oct | 75.1 | Tommaso d’Aquino, C.R. † | Bishop of Vico Equense, Italy |
| Nov | 79.6 | Thomas Angelus Passante, Sch. P. † | Bishop of Pozzuoli, Italy |
| 28 Nov | 68.2 | Henri-Charles du Camboust de Coislin † | Bishop of Metz, France |
| Dec | 68.6 | Dionigi Gioacchino Belmont † | Bishop of Alghero, Italy |
| Dec | 55.0 | Filippo Positano † | Bishop of Calvi Risorta, Italy |
| 13 Dec | 74.7 | Francesco Trevisani † | Bishop of Verona, Italy |
| 14 Dec | 81.0 | Bernard d’Abbadie d’Arbocave † | Bishop of Acqs (Dax), France |
| 25 Dec | 75.0 | Francisco Ochoa Mendarozqueta y Arzamendi † | Bishop of Palencia, Spain |
| 30 Dec | 64.8 | Cornelio Bentivoglio † | Cardinal, Cardinal-Priest of Santa Cecilia |