| Date | Age | Bishop | Title |
| unknown | | Gaetano Barbaroli † | Bishop of Policastro, Italy |
| unknown | 68.0 | Gaudenzio Patrignani, O.F.M. † | Bishop of Ferentino, Italy |
| unknown | | Joaquim de Sant'Ana Carvalho † | Bishop of Faro {Algarve}, Portugal |
| 4 Jan | 70.2 | Ignacio Ramón Roda † | Bishop of León, Spain |
| 4 Feb | 70.2 | François de Pierre de Bernis † | Archbishop of Rouen, France |
| 7 Feb | 67.4 | Joaquín de Osés y Alzúa y Caparacio † | Archbishop of Santiago de Cuba |
| 9 Feb | 72.3 | Manuel Vicente Martínez Jiménez † | Archbishop of Zaragoza, Spain |
| 19 Feb | 81.6 | Ignacy Jan Zygmunt von Raczynski † | Archbishop Emeritus of Gniezno, Poland |
| 10 Mar | 78.0 | Lorenzo Villani † | Bishop of Monopoli, Italy |
| 19 Mar | 45.8 | Luis María Borbón Vallabriga † | Cardinal, Archbishop Emeritus of Toledo, Spain |
| 24 Mar | | Vincenzo Torrusio † | Bishop of Nola, Italy |
| 31 Mar | 60.0 | Vicente da Soledade e Castro, O.S.B. † | Archbishop of São Salvador da Bahia, Brazil |
| 7 Apr | 73.7 | Dominique Lacombe † | Bishop of Angoulême, France |
| 13 Apr | 83.2 | Antonio Felice Zondadari † | Cardinal, Archbishop of Siena, Italy |
| 16 Apr | 62.5 | Ramón Strauch Vidal, O.F.M. † | Bishop of Vic, Spain |
| 2 May | 77.4 | Gabriel Cortois de Pressigny † | Archbishop of Besançon, France |
| 8 May | 71.7 | Viviano Orfini † | Cardinal, Priest of the Roman Curia - Other |
| 9 May | 66.7 | Pietro Paolo Mazzichi † | Bishop of Montalto, Italy |
| 11 May | 84.0 | John Thomas Troy, O.P. † | Archbishop of Dublin, Ireland |
| 12 May | 63.4 | Gaspard-Jean-André Jauffret † | Bishop of Metz, France |
| 29 May | | Basilios Haractengi, O.B.C. † | Bishop of Alep (Melkite), Syria |
| 31 May | 65.1 | Andrés García Palomares † | Bishop of Albarracin, Spain |
| 10 Jun | 73.4 | Johann Nepomuk Ritter von Dankesreither † | Bishop of Sankt Pölten, Austria |
| 18 Jun | 62.4 | Jean-Jacques Guérard, M.E.P. † | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 29 Jun | 71.9 | Pierre-Vincent Dombideau de Crouseilhes † | Bishop of Quimper, France |
| 6 Aug | 77.0 | Jean Labartette, M.E.P. † | Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 10 Aug | 91.7 | François Mouchet de Villedieu † | Bishop Emeritus of Digne, France |
| 20 Aug | 83.0 | Barnaba (Gregorio) Chiaramonti, O.S.B. † | Pope (Roma {Rome}, Italy) |
| 31 Aug | 66.5 | Giulio Maria Alvisini † | Bishop of Fossombrone, Italy |
| 6 Sep | 80.4 | Bartolomé María de las Heras Navarro † | Archbishop of Lima, Peru |
| 27 Sep | 69.6 | Antoine-Eustache d'Osmond † | Bishop of Nancy, France |
| 21 Oct | 89.9 | Carlo Scribani Rossi † | Bishop of Piacenza, Italy |
| 22 Oct | 75.4 | José Higinio Durán y Martel, O. de M. † | Bishop of Panamá |
| 27 Nov | 53.9 | Nicholas Joseph Archdeacon † | Bishop of Kilmacduagh, Ireland |
| 21 Dec | 84.8 | Domenico Spinucci † | Cardinal, Archbishop of Benevento, Italy |
| 30 Dec | 85.9 | Tiberio Cortese † | Bishop of Modena, Italy |
| 31 Dec | 62.0 | Paolo Leardi † | Apostolic Nuncio to Austria |