| Date | Age | Bishop | Title |
|---|
| unknown | 72.4 | Nicola Ciafaglione (Cifaglione) † | Archbishop of Messina, Italy |
| unknown | 79.8 | Charles-François de Pélissier de Saint-Ferréol † | Bishop Emeritus of Vaison, France |
| 5 Jan | 67.3 | Giambattista Muggiasca † | Bishop of Como, Italy |
| 6 Jan | 61.8 | Friedrich Wilhelm von Westphalen † | Bishop of Hildesheim, Germany |
| 10 Jan | 69.6 | Domenico Orsini d’Aragona † | Cardinal, Cardinal-Deacon of Santa Maria in Via Lata |
| 17 Jan | 78.2 | Andrea Negroni † | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 18 Jan | 72.3 | Gaspar de Bragança † | Archbishop of Braga, Portugal |
| 19 Jan | 63.5 | Santiago José Echaverría Nieto de Osorio y Elguera † | Bishop of Tlaxcala, México |
| 20 Jan | 46.8 | Cyrillus Antonini † | Bishop of Anagni, Italy |
| 20 Jan | 46.3 | Pedro Luis Ozta Múzquiz † | Bishop of Calahorra y La Calzada, Spain |
| Feb | 72.1 | Gennaro Giordano † | Bishop of Acerra, Italy |
| 16 Feb | 69.0 | Giuseppe Coppula † | Bishop of Lipari, Italy |
| 17 Feb | 73.8 | Paolo Francesco Giustiniani, O.F.M. Cap. † | Bishop Emeritus of Treviso, Italy |
| 25 Feb | 58.9 | Antonius Belglava † | Bishop of Trogir (Traù), Croatia |
| 15 Mar | 44.2 | John Dunne † | Bishop of Ossory, Ireland |
| 29 Mar | 68.7 | Giovanni Cornaro † | Cardinal, Cardinal-Deacon of San Cesareo in Palatio |
| 3 Apr | 50.0 | Pierre de Séguiran † | Bishop of Nevers, France |
| 7 Apr | | Hyacinthus Archiopoli † | Titular Bishop of Callipolis |
| 11 Apr | 63.8 | Baldassare de Moncada † | Bishop of San Marco (Argentano), Italy |
| 19 Apr | 68.3 | Luis da Anunciação Azevedo, O.P. † | Bishop Emeritus of Angola e Congo, Angola |
| 4 May | 69.4 | Diego Martín Rodríguez, O.F.M. † | Bishop of Coria, Spain |
| 17 May | 64.0 | Marco Aurelio Balbis Bertone † | Bishop of Novara, Italy |
| 7 Jun | 54.0 | François-Joseph-Emmanuel de Crussol d’Uzès d’Amboise † | Bishop of La Rochelle, France |
| 16 Aug | 48.7 | Francesco Pio Santi † | Bishop of Sovana (Soana), Italy |
| 17 Aug | 60.9 | Jean Davoust, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 18 Aug | 70.1 | Giovanni Morosini, O.S.B. † | Bishop of Verona, Italy |
| 31 Aug | 87.7 | Nicolò de Amato † | Bishop of Lacedonia, Italy |
| 7 Sep | 54.7 | Manuel Obellar, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 13 Sep | 81.4 | Aldrago Antonio de Piccardi † | Bishop of Senj (-Modruš), Croatia |
| 30 Sep | 61.1 | Dominik Piotr Karwosiecki, O.F.M. Conv. † | Bishop of Bacău, Romania |
| 8 Oct | 64.6 | Juan Manuel Cornel † | Bishop of Barbastro, Spain |
| 8 Oct | 77.8 | François-Joseph-Gaston de Partz de Pressy † | Bishop of Boulogne (-Sur-Mer), France |
| 8 Oct | 57.2 | Johann Andreas Seelmann † | Auxiliary Bishop of Speyer, Germany |
| 10 Oct | 82.0 | Pascual López Estaún (Estac) † | Bishop of Huesca, Spain |
| 12 Oct | 71.0 | Giovanni Maria Riminaldi † | Cardinal, Cardinal-Priest of San Silvestro in Capite |
| 21 Oct | 71.8 | Manoel da Ressurreição, O.F.M. † | Bishop of São Paulo, Brazil |
| 5 Nov | 56.5 | Ignatius Nagy de Sellye † | Bishop of Székesfehérvár (Albareale), Hungary |
| 21 Nov | 67.2 | Gerolamo Landolfi (Dandolfi) † | Bishop of Pozzuoli, Italy |
| 7 Dec | 73.4 | Emmanuel Ernst von Waldstein † | Bishop of Litoměřice, Czech Republic |
| 22 Dec | 70.0 | Gregorio Francisco de Campos † | Bishop of La Paz, Bolivia |
| 29 Dec | 74.9 | Jean-Georges Lefranc de Pompignan † | Archbishop of Vienne, France |
| 30 Dec | 50.2 | Max Polykarp von Törring-Jettenbach † | Bishop of Regensburg, Germany |
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