| Date | Age | Bishop | Title |
| unknown | | Giovanni Battista Cannevalini † | Bishop of Civita Castellana, Orte e Gallese, Italy |
| unknown | | Daniel Fuenzalida Santelices † | Vicar Apostolic of Tarapacá, Chile |
| unknown | 66.7 | Giovanni Nepomuceno Glavina † | Bishop of Trieste-Koper (Capodistria), Italy |
| unknown | 56.0 | Trifon Radonicic † | Bishop of Kotor (Cattaro), Montenegro |
| unknown | 75.9 | Cesáreo Rodrigo y Rodríguez † | Bishop of Orense, Spain |
| 7 Jan | 65.1 | Stanislao Maria de Luca † | Bishop of San Marco e Bisignano, Italy |
| 15 Jan | 75.7 | Laurence Gillooly, C.M. † | Bishop of Elphin, Ireland |
| 20 Jan | 91.1 | Tobias Kirby † | Titular Archbishop of Ephesus |
| 21 Jan | 87.8 | Florian-Jules-Félix Desprez † | Cardinal, Archbishop of Toulouse (-Narbonne), France |
| 23 Jan | 59.1 | Jules Cléret † | Bishop of Laval, France |
| 27 Feb | 63.9 | Patrick Manogue † | Bishop of Sacramento, California, USA |
| Mar | | Patrick MacAlister † | Bishop of Down and Connor, Ireland |
| 4 Mar | 81.2 | William Weathers † | Auxiliary Bishop of Westminster, England, Great Britain |
| 30 Mar | 84.9 | Francisco de Paula Benavides y Navarrete, O.S. † | Cardinal, Archbishop of Zaragoza, Spain |
| 2 Apr | 79.0 | Pieter Mathijs Snickers † | Archbishop of Utrecht, Netherlands |
| 17 Apr | 76.2 | Francesco Ragusa † | Bishop of Trapani, Italy |
| 22 May | 78.2 | Claude Marie Dubuis † | Bishop Emeritus of Galveston, Texas, USA |
| 29 May | 55.1 | Fulco Luigi Ruffo-Scilla † | Cardinal, Official of the Roman Curia - Other |
| 30 May | 50.4 | St. Giuseppe Marello † | Bishop of Acqui, Italy |
| Jun | 58.3 | Tommaso Montefusco † | Bishop of Oria, Italy |
| 1 Jun | 69.9 | Johann Gabriel Léon Louis Meurin, S.J. † | Bishop of Port-Louis, Mauritius |
| 3 Jun | 64.6 | Rupert Seidenbusch, O.S.B. † | Vicar Apostolic Emeritus of Saint Cloud, Minnesota, USA |
| 4 Jun | 69.0 | Patrick Moran † | Bishop of Dunedin, New Zealand |
| 10 Jun | | Antoni Franciszek Audziewicz † | Bishop of Vilnius, Lithuania |
| 22 Jun | 54.5 | Amilcare Malagola † | Cardinal, Archbishop of Fermo, Italy |
| 23 Jun | 68.3 | François Lagrange † | Bishop of Chartres, France |
| 23 Jun | 64.4 | Raffaele di Nonno, C.SS.R. † | Archbishop of Acerenza-Matera, Italy |
| 8 Jul | 75.2 | Nicola de Simone † | Bishop of Bova, Italy |
| 14 Aug | 74.3 | Marie-Laurent-François-Xavier Cordier, M.E.P. † | Vicar Apostolic of Cambogia, Cambodia |
| 20 Aug | 68.5 | Louis-Joseph-Jean-Baptiste-Léon Gouzot † | Archbishop of Auch, France |
| 17 Sep | 72.9 | Bl. Zygmunt Szczêsny Feliñski † | Archbishop Emeritus of Warszawa {Warsaw}, Poland |
| 1 Nov | 67.6 | Benito Sanz y Forés † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 2 Nov | 74.8 | Carlo Laurenzi † | Cardinal, Prefect of the Congregation of Rites |
| 6 Nov | 45.7 | Luigi Giuseppe Lasagna, S.D.B. † | Titular Bishop of Oëa |
| 9 Nov | 68.9 | Louis-Joseph-Marie-Ange Vigne † | Archbishop of Avignon (-Apt, Cavaillon, Carpentras, Orange, e Vaison), France |
| 19 Nov | 67.0 | Lucien-Louis-Joseph-Napoléon Bonaparte † | Cardinal, Cardinal-Priest of S. Lorenzo in Lucina |
| 20 Nov | 76.3 | John Joseph Conroy † | Bishop Emeritus of Albany, New York, USA |
| 6 Dec | 83.3 | Antonio da Trindade de Vasconcellos Pereira de Melo † | Bishop of Lamego, Portugal |
| 7 Dec | 72.9 | Ignatius Camillus William Mary Peter Persico, O.F.M. Cap. † | Cardinal, Prefect of the Congregation for Indulgences and Relics |
| 14 Dec | 82.9 | Paul Ludolf Melchers, S.J. † | Cardinal, Archbishop Emeritus of Köln {Cologne}, Germany |
| 18 Dec | 50.4 | Auguste-Léopold Laroche † | Bishop of Nantes, France |
| 26 Dec | 62.7 | Egidius Junger † | Bishop of Nesqually, Washington, USA |