| Date | Age | Bishop | Title | 
|---|
| 5 Jan | 67.2 | Giambattista Muggiasca † | Bishop of Como, Italy | 
| 6 Jan | 61.7 | Friedrich Wilhelm von Westphalen † | Bishop of Hildesheim, Germany | 
| 10 Jan | 69.5 | 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 | 72.2 | Gaspar de Bragança † | Archbishop of Braga, Portugal | 
| 19 Jan | 63.4 | Santiago José Hechavarría y Elguesúa † | Bishop of Tlaxcala (Puebla de los Angeles), México | 
| 20 Jan | 46.8 | Cirillo Antonini † | Bishop of Anagni, Italy | 
| 20 Jan | 46.2 | Pedro Luis Ozta Múzquiz † | Bishop of Calahorra y La Calzada, Spain | 
| Feb | 71.3 | Gennaro Giordano † | Bishop of Acerra, Italy | 
| 16 Feb | 68.9 | Giuseppe Coppula † | Bishop of Lipari, Italy | 
| 17 Feb | 73.8 | Paolo Francesco Giustiniani, O.F.M. Cap. † | Bishop Emeritus of Treviso, Italy | 
| 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 | 49.9 | Pierre de Séguiran † | Bishop of Nevers, France | 
| 7 Apr | 70.2 | Giacinto Archiopoli † | Titular Bishop of Callipolis | 
| 11 Apr | 63.8 | Baldassare Barone de Moncada † | Bishop of San Marco (Argentano), Italy | 
| 19 Apr | 67.5 | Luis da Anunciação Azevedo, O.P. † | Bishop Emeritus of Angola e Congo | 
| 4 May | 69.3 | Diego Martín Rodríguez, O.F.M. Obs. † | Bishop of Coria, Spain | 
| 17 May | 63.9 | Marco Aurelio Balbis Bertone † | Bishop of Novara, Italy | 
| Jun | 71.2 | Michel Joseph de Laulanhier † | Titular Bishop of Aegae | 
| 7 Jun | 54.0 | François-Joseph-Emmanuel de Crussol d’Uzès d’Amboise † | Bishop of La Rochelle, France | 
| 15 Jun | 62.3 | Giacinto Francesco Rolfi, O.E.S.A. † | Bishop of Iglesias, Italy | 
| 11 Jul | 80.7 | Franciszek Podkański, S.J. † | Auxiliary Bishop Emeritus of Kraków, Poland | 
| 17 Aug | 60.8 | Jean Davoust, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam | 
| 18 Aug | 70.0 | Giovanni Morosini, O.S.B. † | Bishop of Verona, Italy | 
| 31 Aug | 87.6 | Nicolò de Amato † | Bishop of Lacedonia, Italy | 
| 7 Sep | 54.6 | Manuel Obellar, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam | 
| 13 Sep | 81.3 | 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 | 64.5 | Juan Manuel Cornel † | Bishop of Barbastro, Spain | 
| 8 Oct | 77.0 | François-Joseph-Gaston de Partz de Pressy † | Bishop of Boulogne (-Sur-Mer), France | 
| 8 Oct | 57.1 | 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 | 71.7 | Manoel da Ressurreição, O.F.M. Obs. † | Bishop of São Paulo, Brazil | 
| 3 Nov | 73.1 | Nicola Ciafaglione (Cifaglione) † | Archbishop of Messina, Italy | 
| 5 Nov | 56.5 | Ignác Nagy de Séllye † | Bishop of Székesfehérvár (Albareale), Hungary | 
| 19 Nov | 80.7 | Charles-François de Pélissier de Saint-Ferréol † | Bishop Emeritus of Vaison, France | 
| 21 Nov | 67.1 | Gerolamo Dandolfi (Landolfi) † | Bishop of Pozzuoli, Italy | 
| 7 Dec | 67.3 | Charles-Bernard Collin de Contrisson † | Auxiliary Bishop of Laon, France | 
| 7 Dec | 73.3 | Emmanuel Ernst von Waldstein † | Bishop of Litoměřice, Czechia | 
| 22 Dec | 70.9 | Gregorio Francisco de Campos † | Bishop of La Paz, Bolivia | 
| 30 Dec | 50.1 | Max Polykarp von Törring-Jettenbach † | Bishop of Regensburg, Germany |