| Date | Age | Bishop | Title |
|---|
| unknown | 67.8 | Joannes Philippus Cauti † | Titular Bishop of Erythrae |
| unknown | 78.0 | Giuseppe Giusti † | Bishop of Venosa, Italy |
| Jan | 66.6 | Felice Amato † | Bishop of Ischia, Italy |
| 1 Jan | 76.3 | Michael Wodzicki † | Bishop of Przemyśl, Poland |
| 3 Jan | 64.6 | Georgius Wolfgangus Chiolich † | Bishop of Senj (-Modruš), Croatia |
| 3 Jan | 73.9 | Manoel da Cruz Nogueira, O. Cist. † | Bishop of Mariana, Brazil |
| 6 Jan | 68.6 | Salvator Angelo Cadello † | Bishop of Ampurias e Civita, Italy |
| 9 Jan | 62.6 | Carolus Ronchi † | Bishop of Cariati e Cerenzia, Italy |
| 14 Jan | 79.0 | Giuseppe Alessandro Furietti † | Cardinal, Cardinal-Priest of Santi Quirico e Giulitta |
| 22 Jan | 75.6 | Silvestro Merani, O.S.A. † | Titular Bishop of Porphyreon |
| 27 Jan | 51.9 | Petru Pavel Aron, O.S.B.M. † | Bishop of Făgăraş (Romanian), Romania |
| 30 Jan | 55.3 | Manuel Antonio Rojo del Rio Vera † | Archbishop of Manila, Philippines |
| Feb | | José Javier de Arauz y Rojas † | Archbishop of Santafé en Nueva Granada, Colombia |
| 6 Feb | 64.4 | Giovanni Francesco Cavallini † | Bishop of Alatri, Italy |
| 8 Feb | 88.1 | Charles-Alexandre Le Filleul de La Chapelle † | Bishop of Vabres, France |
| 14 Feb | 81.3 | Alessandro Borgia † | Archbishop of Fermo, Italy |
| 16 Feb | 78.3 | Troiano Caracciolo Del Sole † | Bishop of Nola, Italy |
| 17 Feb | 76.2 | Francisco Díaz Santos y Bullón † | Archbishop of Burgos, Spain |
| 7 Mar | 69.7 | Octavius Antonius Baiardi † | Titular Archbishop of Tyrus |
| 19 Mar | 74.4 | Muzio Gaeta (Jr.) † | Archbishop of Capua, Italy |
| 19 Mar | 66.8 | Antônio da Madre de Deus Galvão, O.F.M. † | Bishop of São Paulo, Brazil |
| 27 Mar | 67.5 | Jacinto Aguado y Chacón † | Bishop of Osma, Spain |
| 30 Mar | 71.1 | Hilário de Santa Rosa, O.F.M. † | Bishop Emeritus of Macau, China |
| 2 Apr | 72.3 | Pierre-Jean-Baptiste Durand de Missy † | Bishop of Avranches, France |
| 5 Apr | 79.2 | Pierre-François Lafitau † | Bishop of Sisteron, France |
| 9 May | 66.1 | Charles de Saint-Albin † | Archbishop of Cambrai, France |
| 10 May | 74.4 | Giovanni Battista Giampè † | Titular Bishop of Philippopolis in Arabia |
| 11 May | 84.4 | Giuseppe Barlotta y Ferro † | Titular Bishop of Thelepte |
| 12 May | 67.9 | Buenaventura Blanco y Elguero (Helguero) † | Bishop of Antequera, Oaxaca, México |
| 27 May | 52.2 | Nicola Cimaglia, O.S.B. † | Bishop of Vieste, Italy |
| Jun | 63.8 | Nicolaus Dinaricio † | Archbishop of Split (Spalato), Croatia |
| 16 Jun | 87.2 | Giacomo Beni † | Bishop of Fano, Italy |
| 18 Jun | 58.6 | Girolamo Clarelli † | Bishop of Rieti, Italy |
| 16 Jul | 55.8 | Andrés Porras Termes † | Bishop of Calahorra y La Calzada, Spain |
| 19 Jul | 55.1 | François de Fitz-James † | Bishop of Soissons, France |
| 22 Jul | 61.6 | Lorenzo Despuig Cotoner † | Archbishop of Tarragona, Spain |
| Aug | 63.7 | Antonio Correale † | Bishop of Sora, Italy |
| 2 Aug | 68.6 | Bernardo de Ustariz, O.P. † | Bishop-Elect of Nueva Segovia, Philippines |
| 5 Aug | 53.4 | Giovanni Battista Albrici Pellegrini † | Bishop of Como, Italy |
| 15 Aug | 53.0 | João de São José de Queiroz da Silveira, O.S.B. † | Bishop Emeritus of Belém do Pará, Brazil |
| 9 Sep | 70.7 | Jacques Le Févre du Quesnoy † | Bishop of Coutances, France |
| 11 Sep | 67.0 | Honuphrius Belsito † | Bishop Emeritus of Lavello, Italy |
| 13 Oct | 79.5 | Cosimo Imperiali † | Cardinal, Cardinal-Priest of Santa Cecilia |
| 19 Oct | 84.7 | Louis Néez, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 4 Nov | 58.6 | Andrés Bustamante † | Bishop of Palencia, Spain |
| 8 Nov | 46.9 | Jean-Baptiste-Joseph de Fontanges † | Bishop of Lavaur, France |
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