| Date | Age | Bishop | Title |
| unknown | | Ignace Jarbou † | Archbishop of Alep [Beroea, Halab] (Melkite Greek), Syria |
| unknown | | Jean † | Bishop of Gazireh (Gezira) (Chaldean), Turkey |
| unknown | 82.3 | Francesco Antonio Rocco † | Bishop of Capri, Italy |
| 20 Jan | 62.6 | Francisco Garrido de la Vega † | Bishop of Córdoba, Spain |
| Feb | 89.2 | Tomás del Valle, O.P. † | Bishop of Cádiz, Spain |
| 7 Feb | 73.9 | Jean-François de Chatillard de Montillet-Grenaud † | Archbishop of Auch, France |
| 28 Feb | 73.1 | Dominik Józef Kiełczewski † | Auxiliary Bishop Emeritus of Chełm, Poland |
| 14 Mar | 80.6 | Giovanni Battista Bortoli † | Bishop Emeritus of Feltre, Italy |
| 16 Mar | 69.5 | Cristoforo Sizzo de Noris † | Bishop of Trento, Italy |
| 21 Mar | 63.0 | Francisco de Solís Folch de Cardona † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 25 Mar | 68.2 | Jean-Louis du Buisson de Beauteville † | Bishop of Alès (Alais), France |
| Apr | | Patrick Robert Kirwan † | Bishop of Achonry, Ireland |
| Apr | 70.2 | Stefano Gennaro Spani † | Bishop of Minervino Murge, Italy |
| 15 Apr | 62.3 | Giuseppe Orlandi, O.S.B. † | Bishop of Giovinazzo e Terlizzi, Italy |
| 27 Apr | 67.4 | Simone Buonacorsi † | Cardinal, Cardinal-Priest of San Giovanni a Porta Latina |
| May | 75.2 | Stefano di Leoni † | Bishop of Novigrad (Cittanova), Croatia |
| 5 May | 59.4 | Johann Andreas Kaiser † | Bishop of Hradec Králové, Czechia |
| 5 Jun | 75.5 | François-Marie Le Maistre de La Garlaye † | Bishop of Clermont, France |
| 5 Jun | 66.4 | Giuseppe Sparano † | Archbishop of Acerenza e Matera, Italy |
| 10 Jun | 84.5 | Paul de Ribeyre † | Bishop of Saint-Flour, France |
| 23 Jun | 55.4 | Benedetto Mattei † | Bishop of Marsi, Italy |
| 6 Jul | 68.2 | Ludovico Sabatini d’Anfora, C.P.O. † | Bishop of L’Aquila, Italy |
| 22 Jul | 64.5 | Charles-Gilbert de May de Termont † | Bishop of Blois, France |
| 2 Aug | 72.2 | Girolamo Palermo, C.R. † | Bishop Emeritus of Mazara del Vallo, Italy |
| 5 Aug | 44.7 | Antonio Romano Malingri † | Archbishop of Oristano, Italy |
| 12 Aug | 72.8 | Benedetto Veterani † | Cardinal, Cardinal-Deacon of Santi Cosma e Damiano |
| 17 Aug | 34.8 | Franz Karl Maria Cajetan von Firmian † | Auxiliary Bishop of Passau, Germany |
| 26 Aug | | Nicolas-Xavier Santamarie † | Titular Bishop of Cyrene |
| 4 Sep | 41.6 | Pavel Josef Seddeler † | Auxiliary Bishop of Praha {Prague}, Czechia |
| 14 Sep | 73.5 | Samuel Głowiński † | Auxiliary Bishop of Lviv, Ukraine |
| 26 Sep | 67.7 | Thomas Burke (de Burgo), O.P. † | Bishop of Ossory, Ireland |
| 17 Oct | 70.9 | Jan Václav Xaver Frey von Freyenfels † | Auxiliary Bishop of Olomouc, Czechia |
| 20 Oct | 71.8 | Manuel Antonio de la Torre † | Bishop of Buenos Aires, Argentina |
| 27 Oct | 63.3 | Cesare Antonio Caracciolo, C.R. † | Archbishop of Conza, Italy |
| 28 Oct | 60.0 | Agustín Gorritátegui (Gorrichategui) † | Bishop of Cuzco, Peru |
| 31 Oct | 62.6 | Maxmilián von Hamilton † | Bishop of Olomouc (Olmütz), Czechia |
| Nov | 87.8 | Stjepan Blasković, C.O. † | Bishop of Makarska, Croatia |
| 1 Nov | 53.4 | Francisco de Saldanha da Gama † | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal |
| 15 Nov | 65.6 | Giuseppe Maria Foschi † | Bishop of Lucera, Italy |
| 17 Nov | 56.1 | Francisco de los Ríos y Armengol, O.P. † | Bishop of Panamá |
| 28 Nov | 76.0 | Deodato Baiardi, O.S.H. † | Bishop of Urbania e Sant’Angelo in Vado, Italy |
| 12 Dec | 47.4 | Giovanni Maria Percoto, B. † | Vicar Apostolic of Ava e Pegù, Myanmar |
| 13 Dec | 79.9 | Paul de Révay † | Auxiliary Bishop of Esztergom, Hungary |