| Date | Age | Bishop | Title |
|---|
| unknown | 78.5 | Francesco Saverino Buonomo † | Bishop of Gaeta, Italy |
| unknown | 67.2 | Nicola Caldora † | Bishop Emeritus of Venosa, Italy |
| unknown | 44.0 | Denys Michel Hardaya † | Bishop of Alep [Beroea, Halab] (Syrian), Syria |
| unknown | 67.8 | Diego Antonio Navarro Martín de Villodras † | Archbishop of La Plata o Charcas, Bolivia |
| unknown | 77.8 | Michele de Vincenti † | Titular Bishop of Erythrum |
| unknown | | Friedrich von York und Albany † | Bishop Emeritus of Osnabrück, Germany |
| 2 Jan | 54.7 | Ignazio Ranaldi, C.O. † | Archbishop of Urbino, Italy |
| 4 Jan | 69.1 | Pellegrino Maria Carletti † | Bishop of Montepulciano, Italy |
| 5 Jan | 69.6 | Jakob Peregrin Paulitsch † | Bishop of Gurk, Austria |
| 11 Jan | 88.0 | Patrick Joseph Plunkett † | Bishop of Meath, Ireland |
| 20 Jan | 73.0 | Isidoro Pérez de Celis, M.I. † | Bishop of Segovia, Spain |
| 22 Jan | 71.4 | Bartolomé Cienfuegos † | Bishop of Mondoñedo, Spain |
| 19 Feb | 75.1 | François-Marie Bigex † | Archbishop of Chambéry, France |
| 24 Feb | 53.6 | Mario Ancaiani † | Archbishop of Spoleto, Italy |
| 27 Feb | 60.3 | Giovanni Sergio † | Bishop of Cefalù, Italy |
| 8 Mar | 74.5 | Francesco Maria Giampè † | Bishop of Assisi, Italy |
| 17 Mar | 88.8 | Louis Charrier de La Roche † | Bishop of Versailles, France |
| 3 Apr | 63.0 | Juan José Cordón Leyva † | Bishop of Guadix, Spain |
| 16 Apr | 82.7 | François Antoine Lejéas † | Former Bishop-Elect of Liège, Belgium |
| 17 Apr | 80.5 | Charles-François Duperrier-Dumourier † | Bishop of Bayeux, France |
| 27 Apr | 62.3 | George Thomas Plunkett † | Bishop of Elphin, Ireland |
| 8 May | 82.1 | Pedro Agustín Estévez y Ugarte † | Bishop of Yucatán (Mérida), México |
| 8 May | 61.7 | Simon Garnier † | Bishop of Vannes, France |
| 13 May | 80.0 | José Carrión y Marfil † | Bishop Emeritus of Trujillo, Peru |
| 27 May | 35.7 | Jean-François Ollivier, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 28 May | 73.9 | Pietro Bianco † | Bishop of Alghero, Italy |
| 30 May | 78.5 | Eugenio Giovanni Battista Giuseppe Cerina, O.F.M. Obs. † | Titular Bishop of Sergiopolis |
| 3 Jun | 53.2 | Manuel Martínez Ferro, O. de M. † | Bishop of Málaga, Spain |
| 12 Jun | 83.5 | Wojciech Józef Skarszewski † | Archbishop of Warszawa {Warsaw}, Poland |
| 13 Jun | 74.8 | Germanos Hava (Hawwa) † | Archbishop of Alep [Beroea, Halab] (Maronite), Syria |
| 3 Jul | | Clément Moutran † | Bishop of Baalbek (Melkite Greek), Lebanon |
| 4 Jul | 62.6 | Karl Klemens von Gruben † | Auxiliary Bishop of Osnabrück, Germany |
| 1 Aug | 61.6 | Francisco Genovés, O.P. † | Bishop of Cebu, Philippines |
| 11 Aug | 85.8 | Innocenzo Maria Lirutti, O.S.B. † | Bishop of Verona, Italy |
| 20 Aug | 88.2 | Miguel Antonio da Cruz, O.F.M. Disc. † | Archbishop of Braga, Portugal |
| 23 Aug | 50.7 | Jan Krasovskyj (Krassowski) † | Bishop of Lutsk and Ostroh (Ukrainian), Ukraine |
| 25 Aug | 70.9 | János Benyovszky † | Auxiliary Bishop of Esztergom, Hungary |
| 27 Aug | 90.6 | Kasimir Johann Baptist von Häffelin † | Cardinal, Cardinal-Priest of Sant’Anastasia |
| 29 Aug | 52.8 | Carmelo Cordiviola † | Bishop of Albenga, Italy |
| 30 Sep | 79.6 | João António Binet Pincio † | Bishop Emeritus of Lamego, Portugal |
| 19 Oct | 66.7 | Polikarp Antoni Augustyn Marciejewski, O.P. † | Auxiliary Bishop of Sejny o Sejna o Augustów, Poland |
| 21 Oct | 76.4 | Atanasio Puyal y Poveda † | Bishop of Calahorra y La Calzada, Spain |
| 25 Oct | 64.7 | Matthaeus Crasnich † | Archbishop of Skopje, North Macedonia |
| 26 Nov | 65.5 | William Poynter † | Vicar Apostolic of London District, England, Great Britain |
| Dec | 71.9 | Manuel de los Santos Escobar † | Bishop-Elect of Quito, Ecuador |
| 3 Dec | 53.5 | Isidoro Bonifacio López Pulido, O.P. † | Bishop of Segovia, Spain |
| 12 Dec | 60.1 | Raphael Lupoli, C.Ss.R. † | Bishop of Larino, Italy |
| 13 Dec | 83.2 | Fabrizio Dionigi Ruffo † | Cardinal, Chamberlain Emeritus of the College of Cardinals |
| 16 Dec | 75.0 | Maksimilijan Verhovácz (Vrhovac) † | Bishop of Zagreb (Agram), Croatia |
| 22 Dec | 54.7 | Kyran Marum † | Bishop of Ossory, Ireland |
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