| Date | Age | Bishop | Title |
| unknown | 78.0 | Giuseppe Giusti † | Bishop of Venosa, Italy |
| Jan | 66.5 | Felice Amato † | Bishop of Ischia, Italy |
| 1 Jan | 76.2 | Michael Wodzicki † | Bishop of Przemyśl, Poland |
| 3 Jan | 64.5 | 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 | 62.5 | Carlo Ronchi † | Bishop of Cariati e Cerenzia, Italy |
| 14 Jan | 78.9 | Giuseppe Alessandro Furietti † | Cardinal, Cardinal-Priest of Santi Quirico e Giulitta |
| 22 Jan | 75.5 | Silvestro Merani, O.S.A. † | Titular Bishop of Porphyreon |
| 30 Jan | 55.3 | Manuel Antonio Rojo del Rio Lafuente y Veiyra † | Archbishop of Manila, Philippines |
| 4 Feb | 87.5 | Charles-Alexandre Le Filleul de La Chapelle † | Bishop of Vabres, France |
| 6 Feb | 64.4 | Giovanni Francesco Cavallini † | Bishop of Alatri, Italy |
| 6 Feb | 51.9 | Agatino Maria Reggio Statella † | Bishop Emeritus of Cefalù, Italy |
| 14 Feb | 81.2 | Alessandro Borgia † | Archbishop of Fermo, Italy |
| 15 Feb | 78.3 | Troiano Caracciolo del Sole † | Bishop of Nola, Italy |
| 17 Feb | 76.2 | Francisco Díaz Santos y Bullón † | Archbishop of Burgos, Spain |
| 22 Feb | 79.9 | Francisco Ignacio Añoa Busto † | Archbishop of Zaragoza, Spain |
| 29 Feb | 73.1 | José Javier de Arauz y Rojas † | Archbishop of Santafé en Nueva Granada, Colombia |
| 7 Mar | 69.7 | Octavius Antonius Baiardi † | Titular Archbishop of Tyrus |
| 9 Mar | 52.0 | Petru Pavel Aaron, O.S.B.M. † | Bishop of Făgăraş (Romanian), Romania |
| 19 Mar | 77.4 | Muzio Gaeta (Jr.) † | Archbishop of Capua, Italy |
| 19 Mar | 66.8 | Antônio da Madre de Deus Galvão, O.F.M. Ref. † | Bishop of São Paulo, Brazil |
| 27 Mar | 67.5 | Jacinto Aguado y Chacón † | Bishop of Osma, Spain |
| 30 Mar | 71.0 | Hilário de Santa Rosa, O.F.M. Ref. † | Bishop Emeritus of Macau, China |
| 4 Apr | 72.2 | Pierre-Jean-Baptiste Durand de Missy † | Bishop of Avranches, France |
| 5 Apr | 79.1 | Pierre-François Lafitau † | Bishop of Sisteron, France |
| 9 Apr | 68.0 | Giovanni Filippo Cauti † | Titular Bishop of Erythrae |
| 9 May | 66.0 | Charles de Saint-Albin † | Archbishop of Cambrai, France |
| 10 May | 74.3 | Giovanni Battista Giampè † | Titular Bishop of Philippopolis in Arabia |
| 11 May | 84.3 | Giuseppe Barlotta y Ferro † | Titular Bishop of Thelepte |
| 12 May | 67.8 | Buenaventura Blanco y Elguero (Helguero) † | Bishop of Antequera, Oaxaca, México |
| 16 May | 74.8 | Jean Joseph Claret, C.R.A. † | Abbot of Saint-Maurice, Switzerland |
| 27 May | 52.1 | Nicola Cimaglia, O.S.B. † | Bishop of Vieste, Italy |
| Jun | 63.7 | Nicolaus Dinaricio † | Archbishop of Split (Spalato), Croatia |
| 16 Jun | 87.2 | Giacomo Beni † | Bishop of Fano, Italy |
| 16 Jun | 55.7 | Andrés Porras y Termes † | Bishop of Calahorra y La Calzada, Spain |
| 18 Jun | 58.5 | Girolamo Clarelli † | Bishop of Rieti, Italy |
| 19 Jul | 55.1 | François de Fitz-James † | Bishop of Soissons, France |
| 22 Jul | 61.5 | Lorenzo Despuig Cotoner † | Archbishop of Tarragona, Spain |
| Aug | 63.7 | Antonio Correale † | Bishop of Sora, Italy |
| 2 Aug | 67.5 | Bernardo de Ustáriz, O.P. † | Bishop-Elect of Nueva Segovia, Philippines |
| 5 Aug | 53.3 | 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 | 57.6 | Jacques Le Févre du Quesnoy † | Bishop of Coutances, France |
| 11 Sep | 67.0 | Honuphrius Belsito † | Bishop Emeritus of Lavello, Italy |
| 13 Oct | 79.4 | Cosimo Imperiali † | Cardinal, Cardinal-Priest of Santa Cecilia |
| 19 Oct | 84.6 | 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 | 46.8 | Jean-Baptiste-Joseph de Fontanges † | Bishop of Lavaur, France |