| Date | Age | Bishop | Title |
|---|
| unknown | | Jacopo Maria Erizzo, O.P. † | Bishop of Concordia, Italy |
| unknown | 79.1 | Camillo Marazzani † | Bishop of Parma, Italy |
| unknown | | Bernardo José Pérez de Oblitas † | Bishop of Santa Cruz de la Sierra, Bolivia |
| unknown | | Nicola Terzago † | Bishop of Narni, Italy |
| 29 Feb | 64.4 | Claude de Rouvroy de Saint-Simon † | Bishop of Metz, France |
| 1 Mar | 56.1 | Franz Dominikus Reichsgraf von Almesloe † | Auxiliary Bishop of Wrocław, Poland |
| 27 Mar | 50.3 | Arnaud-François Lefèbvre, M.E.P. † | Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 31 Mar | 76.2 | Henri-Ignace de Brancas † | Bishop of Lisieux, France |
| 22 Apr | 70.2 | Agostino Maria Neuroni, O.F.M. Cap. † | Bishop of Como, Italy |
| 27 Apr | 59.3 | Pedro Martínez de Oneca † | Bishop of Puerto Rico (Porto Rico) |
| 1 May | 86.3 | José de Toro y Zambrano † | Bishop of Concepción, Chile |
| 2 May | | Francesco De Novellis † | Bishop of Sarno, Italy |
| 14 May | 71.4 | Claude-François de Narbonne-Pelet † | Bishop of Lectoure, France |
| 8 Jun | 52.4 | Henri-Marie du Breuil de Pontbriand † | Bishop of Québec, Québec, Canada |
| 17 Jun | 72.5 | Louis-Guy de Guérapin de Vauréal † | Bishop Emeritus of Rennes, France |
| 18 Jun | | Edmund O'Doran † | Bishop of Down and Connor, Ireland |
| 20 Jun | 89.2 | Giovanni Battista Mesmer † | Cardinal, Cardinal-Priest of S. Onofrio |
| 22 Jun | 79.2 | Joaquín Fernández de Portocarrero Mendoza † | Cardinal, Cardinal-Bishop of Sabina |
| 20 Jul | 64.6 | Ignacio Padilla Estrada (Guardiola), O.S.A. † | Bishop of Yucatán (Mérida), Yucatán, México |
| 1 Aug | | Maximos II Hakim † | Patriarch of Antiochia {Antioch} (Melkite), Syria |
| 21 Aug | 82.3 | Agapito Mosca † | Cardinal, Cardinal-Deacon of S. Agata de’ Goti |
| 28 Aug | 63.7 | Cayetano Marcellano y Agramont † | Archbishop of La Plata o Charcas, Bolivia |
| 29 Aug | 68.7 | Pedro Clemente de Aróstegui † | Bishop of Osma, Spain |
| Sep | 72.2 | Domenico Antonio Brizi † | Bishop of Marsi, Italy |
| 5 Sep | | Pierre-Joseph Artaud † | Bishop of Cavaillon, France |
| 16 Sep | | Bonaventura MacDonnell, O.F.M. † | Bishop of Killala, Ireland |
| 19 Sep | 38.6 | Johann Hildebrand Roten † | Bishop of Sion {Sitten}, Switzerland |
| 24 Oct | 69.9 | Domenico Zicari † | Archbishop of Reggio Calabria, Italy |
| 6 Nov | | Valério do Sacramento, O.F.M. Cap. † | Bishop Emeritus of Angra, Portugal |
| 4 Dec | 60.1 | Gaspar Molina Rocha, O.S.A. † | Bishop of Almería, Spain |
| 15 Dec | 64.6 | Leopold Friedrich Reichsgraf von Egkh und Hungersbach † | Bishop of Olomouc, Czech Republic |
| 20 Dec | 74.6 | José Francisco de San Buenaventura Martínez de Tejada y Díez de Velasco, O.F.M. † | Bishop of Guadalajara, Jalisco, México |
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