| Date | Age | Bishop | Title |
|---|
| unknown | 64.7 | Alexander Dobrzański † | Auxiliary Bishop of Sandomierz, Poland |
| unknown | 90.4 | Sebastián Rodriguez de Viezna † | Titular Bishop of Sebastopolis in Thracia |
| unknown | 62.0 | Kyrylo Syrotynskyj † | Auxiliary Bishop of Žyrovyci (Ukrainian), Lithuania |
| 15 Jan | 74.5 | François Antoine Marie Constantin de Méan et de Beaurieux † | Archbishop of Mechelen, Belgium |
| 23 Jan | 76.9 | Juan Nepomuceno de Lera y Cano † | Bishop of Segovia, Spain |
| 23 Jan | 59.3 | Mariano Rodríguez de Olmedo y Valle † | Archbishop of Santiago de Cuba |
| 29 Jan | 57.6 | Józef Szczepan Koźmian † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 6 Feb | 75.9 | Kajetan Augustyn Warteresiewicz † | Archbishop of Lviv (Armenian), Ukraine |
| 8 Feb | 78.6 | Jacques-Benjamin Longer, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 8 Feb | 42.1 | Jeremiah Francis O’Flynn † | Priest |
| 13 Feb | 80.8 | Adrijan Holovnja (Hołownia), O.S.B.M. † | Auxiliary Bishop of Žyrovyci (Ukrainian), Lithuania |
| 25 Feb | 66.6 | Belisario Cristaldi † | Cardinal, Priest of the Roman Curia - Other |
| 25 Mar | 74.6 | Nicolas-Alexis Ondernard † | Bishop of Namur {Namen}, Belgium |
| 6 Apr | 75.2 | Joaquim José de Miranda Coutinho † | Bishop of Castelo Branco, Portugal |
| 16 Apr | 66.4 | Rafael Lasso de la Vega † | Bishop of Quito, Ecuador |
| 24 Apr | 54.6 | Evasio Secundo Agodino † | Bishop of Aosta, Italy |
| 26 Apr | 61.0 | Pierre-Alexandre Coupperie, S.M.M. † | Bishop of Baghdad, Iraq |
| 28 Apr | 86.2 | Kasper Kazimierz Kolumna Cieciszowski † | Archbishop of Mohilev, Belarus |
| 1 May | 82.9 | Antonius van Alphen † | Vicar Apostolic of ’s-Hertogenbosch (Bois-le-Duc), Netherlands |
| 2 May | 87.1 | Miguel Joaquín Matías Suárez, O.F.M. Cap. † | Auxiliary Bishop of Zaragoza, Spain |
| 15 May | 67.6 | Jan Jerzy Wilkxycki † | Auxiliary Bishop of Chelmno (Culma, Kulm), Poland |
| 23 May | 85.5 | Teodoro Loredano Balbi † | Bishop of Novigrad (Cittanova), Croatia |
| 24 May | 66.6 | Wenceslas Urban von Stuffler † | Bishop of Brno, Czechia |
| 28 May | 80.4 | [Henri Grégoire] † | Bishop of [Loir-et-Cher (Constitutional), France] |
| 4 Jun | 69.0 | Stefan (István) Csech (Cech) † | Bishop of Košice, Slovakia |
| 15 Jun | 90.8 | Francesco Saverio Gualtieri † | Bishop of Caserta, Italy |
| 17 Jun | 64.6 | Andrés Esteban y Gómez † | Bishop of Jaén, Spain |
| 21 Jun | | Ambrogio Bruci † | Bishop of Shkodrë (Scutari), Albania |
| 11 Jul | 77.3 | Alexis Pótsy † | Bishop of Mukachevo (Munkács) (Ruthenian), Ukraine |
| 15 Jul | 62.2 | Manuel Santo Galdino, O.F.M. Disc. † | Archbishop of Goa, India |
| 16 Jul | 55.4 | Filippo Martuscelli † | Bishop of Muro Lucano, Italy |
| 18 Jul | 69.5 | Augustin Milletich (Miletic), O.F.M. Obs. † | Vicar Apostolic of Bosnia (Ottoman), Croatia |
| 24 Jul | 43.5 | Rudolf Johannes Joseph Rainier von Habsburg-Lotharingen † | Cardinal, Archbishop of Olomouc, Czechia |
| 30 Jul | 78.0 | Johann Adam Rieger † | Bishop of Fulda, Germany |
| 30 Jul | 68.3 | Thomas Smith † | Vicar Apostolic of Northern District, England, Great Britain |
| 6 Aug | 77.5 | Columbano Giovanni Battista Carlo Gaspare Chiaverotti, O.S.B. † | Archbishop of Torino {Turin}, Italy |
| 9 Aug | 78.2 | William Coppinger † | Bishop of Cloyne and Ross, Ireland |
| 21 Aug | 84.5 | Pablo Sitjar Ruata † | Bishop of Barcelona, Spain |
| 28 Aug | 67.3 | Pedro Rodriguez de Miranda, O. de M. † | Bishop of Jaca, Spain |
| 30 Aug | 53.4 | Maximos Givaid (Jouwed) † | Titular Patriarch of Alexandria {Alessandria} (Coptic), Egypt |
| 3 Sep | 64.2 | Giuseppe Vincenzo Airenti, O.P. † | Archbishop of Genova, Italy |
| 3 Sep | 87.3 | Simón López García, C.O. † | Archbishop of Valencia, Spain |
| 4 Sep | 69.1 | Daniel Eliasz Ostrowski † | Auxiliary Bishop of Gniezno e Poznań, Poland |
| 7 Sep | 79.9 | Georg Franz Lock † | Prefect of Lausitz (Lusatia), Germany |
| 8 Sep | 91.0 | Stefano Bellini † | Bishop of Recanati e Loreto, Italy |
| 13 Sep | 70.9 | Alexander (Sandor) Rudnay Divékújfalusi † | Cardinal, Archbishop of Esztergom, Hungary |
| 27 Sep | 72.9 | Marcin von Siemieński † | Auxiliary Bishop of Gniezno e Poznań, Poland |
| 9 Oct | 87.7 | Thomas Costello † | Bishop of Clonfert, Ireland |
| 19 Oct | 81.4 | [Claude Debertier] † | Bishop Emeritus of [Aveyron (Constitutional), France] |
| 29 Oct | 73.9 | Carlo Francesco Carnevale † | Bishop of Tortona, Italy |
| 30 Oct | 65.6 | Alexander Paterson † | Vicar Apostolic of Eastern District, Scotland, Great Britain |
| 1 Nov | 40.8 | Giacomo Bellucci † | Bishop-Elect of Sovana (Soana), Italy |
| 2 Nov | 73.5 | Gabrio Maria Nava † | Bishop of Brescia, Italy |
| 14 Nov | 74.4 | François-Joseph de Villeneuve-Esclapon † | Bishop of Verdun, France |
| 21 Nov | 59.7 | José Buenaventura Arias Bergara † | Vicar Apostolic of Mérida, Venezuela |
| 25 Nov | 97.2 | Henri-François de La Broue de Vareilles † | Bishop Emeritus of Gap, France |
| 29 Nov | 65.1 | Leopold Maximilian von Firmian (Frimian) † | Archbishop of Wien {Vienna}, Austria |
| 2 Dec | 81.1 | Ignazio Nasalli-Ratti † | Cardinal, Apostolic Nuncio |
| 8 Dec | 75.9 | Domenico Pes, Sch. P. † | Bishop of Bisarchio o Bisarcio (Ozieri), Italy |
| 9 Dec | 69.4 | Giovanni Francesco Capelletti † | Bishop of Ascoli Piceno, Italy |
| 9 Dec | 86.7 | Louis Sébastiani de La Porta † | Bishop of Ajaccio, France |
| 23 Dec | 74.5 | Giambattista Castelnuovo † | Bishop of Como, Italy |
| 23 Dec | 70.1 | Juan de Cavia y González † | Bishop of Osma, Spain |
| 31 Dec | 74.2 | Teresio Maria Carlo Vittorio Ferrero della Marmora † | Cardinal, Bishop Emeritus of Saluzzo, Italy |
| 31 Dec | 46.3 | Nicolò Gatto † | Bishop of Patti, Italy |
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