| Date | Age | Bishop | Title |
| unknown | 69.7 | Dalmazio d’Andrea, O.F.M. Cap. † | Bishop of Bova, Italy |
| unknown | | John Derry † | Bishop of Clonfert, Ireland |
| unknown | 78.6 | José Manuel de Lemos † | Bishop of Coimbra, Portugal |
| unknown | | Antonín Arnošt Schaffgotsche † | Bishop of Brno, Czech Republic |
| 19 Jan | 71.3 | Johann Georg Müller † | Bishop of Münster, Germany |
| 30 Jan | 79.4 | Bertrand-Sévère Mascarou-Laurence † | Bishop of Tarbes, France |
| 2 Feb | 65.4 | Mariano Puigllat Amigo † | Bishop of Lérida, Spain |
| 12 Feb | 58.7 | Basilio Gil Bueno † | Bishop of Huesca, Spain |
| 25 Feb | 82.3 | Louis-Jacques-Maurice de Bonald † | Cardinal, Archbishop of Lyon (-Vienne), France |
| 15 Apr | 58.6 | Matteo Eustachio Gonella † | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 30 Apr | 78.2 | Thomas Cooke † | Bishop of Trois Rivières, Québec, Canada |
| 2 May | 66.1 | Jean-Sébastien-Adolphe Devoucoux † | Bishop of Evreux, France |
| 12 May | 48.4 | Francisco Cardoso Aires † | Bishop of Olinda, Brazil |
| 25 May | 70.3 | Jean Marie (John Mary) Odin, C.M. † | Archbishop of New Orleans, Louisiana, USA |
| 31 May | 53.5 | Thomas Grant † | Bishop of Southwark, England, Great Britain |
| 13 Jul | 65.3 | Georg Anton von Stahl † | Bishop of Würzburg, Germany |
| 21 Jul | 63.0 | Pantaleón Montserrat Navarro † | Bishop of Barcelona, Spain |
| 22 Jul | | Neale MacCabe, C.M. † | Bishop of Ardagh (and Clonmacnois), Ireland |
| 27 Jul | 65.9 | Francisco Fleix Soláus † | Archbishop of Tarragona, Spain |
| 28 Jul | 83.6 | Estevam de Jesus Maria † | Bishop of Angra, Portugal |
| 28 Jul | 70.7 | Mariano José de Escalada Bustillo y Zeballos † | Archbishop of Buenos Aires, Argentina |
| 7 Aug | 71.1 | Pedro Cirilo Uriz Labayru † | Bishop of Pamplona, Spain |
| 2 Sep | 72.5 | Fernando Argüelles Miranda † | Bishop of Astorga, Spain |
| 3 Sep | | Joannice Massamiri † | Titular Archbishop of Palmyra |
| 11 Sep | 77.3 | Ladislav Zábojský † | Bishop of Spiš, Slovakia |
| 21 Sep | 53.0 | Michael Adrian Hankinson, O.S.B. † | Bishop of Port-Louis, Mauritius |
| 7 Oct | 72.3 | Cosimo Corsi † | Cardinal, Archbishop of Pisa, Italy |
| 7 Oct | 78.1 | Mario Mattei † | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 13 Oct | 72.5 | Charles-François Baillargeon † | Archbishop of Québec, Québec, Canada |
| 15 Oct | 52.8 | Hilarión Alcázar, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 18 Oct | 76.8 | Andreas Charvaz † | Archbishop of Genova, Italy |
| 24 Oct | 62.8 | St. Antonio María Claret y Clará, C.M.F. † | Archbishop Emeritus of Santiago de Cuba |
| 18 Nov | 63.1 | Pedro Lucas Asensio Poves † | Bishop of Jaca, Spain |
| 20 Nov | 86.9 | Louis-Jean-Julien Robiou de la Tréhonnais † | Bishop Emeritus of Coutances (-Avranches), France |
| 18 Dec | 44.6 | Pierre-Paul de Cuttoli † | Bishop of Ajaccio, France |
| 22 Dec | 70.2 | Enrico Orfei † | Cardinal, Archbishop of Ravenna, Italy |
| 25 Dec | 74.0 | Eduard Jakob Wedekin † | Bishop of Hildesheim, Germany |