| Date | Age | Bishop | Title |
|---|
| unknown | 45.8 | Leone Sieben, C.M. † | Superior of Bikoro, Congo (Dem. Rep.) |
| 4 Jan | 68.7 | Anton Gisler † | Coadjutor Bishop of Chur, Switzerland |
| 9 Jan | 62.3 | Riccardo Carlesi † | Bishop of Cortona, Italy |
| 11 Jan | 72.0 | Désiré Marie Hippolyte Paget † | Bishop of Valence (-Die-Saint-Paul-Trois-Châteaux), France |
| 14 Jan | 78.5 | Luigi Fantozzi, C.Pp.S. † | Bishop Emeritus of Veroli, Italy |
| 15 Jan | 60.6 | Adolfo Verrienti † | Prelate Emeritus of Altamura ed Acquaviva delle Fonti, Italy |
| 16 Jan | 78.8 | Gérard (Josef) Van Caloen, O.S.B. † | Abbot Emeritus of Nossa Senhora do Monserrate do Rio de Janeiro, Brazil |
| 19 Jan | 76.9 | Isaias Papadopoulos † | Titular Bishop of Gratianopolis |
| 22 Jan | 72.3 | Salvatore Scanu † | Bishop of San Marco e Bisignano, Italy |
| 28 Jan | 62.1 | Isidoro (Mihovil) Sain, O.S.B. † | Bishop of Rijeka (-Opatija), Croatia |
| 29 Jan | 64.1 | Andrew Brennan Meehan † | Priest of Rochester, New York, USA |
| 14 Feb | 67.0 | Anton Podlaha † | Auxiliary Bishop of Praha {Prague}, Czechia |
| 15 Feb | 64.1 | Marcial López y Criado † | Bishop of Cádiz y Ceuta, Spain |
| 20 Feb | 58.8 | André-Etienne-Athanase Hermel, SS.CC. † | Vicar Apostolic of Tahiti {Isole Tahiti}, French Polynesia, Pacific (Oceania) |
| 6 Mar | 66.7 | Władysław Bandurski † | Auxiliary Bishop Emeritus of Lviv, Ukraine |
| 9 Mar | 74.4 | Thomas Joseph Shahan † | Titular Bishop of Germanicopolis |
| 15 Mar | 49.6 | Arnold Verstraelen, S.V.D. † | Vicar Apostolic of Isole della Piccola Sonda, Indonesia |
| 26 Mar | 61.7 | Zygmunt Konstanty Antoni Łoziński † | Bishop of Pinsk, Belarus |
| 26 Mar | 70.6 | Laurentius Josephus Antonius Hubertus Schrijnen (Schrynen) † | Bishop of Roermond, Netherlands |
| 31 Mar | 71.5 | Eduardo Maldonado Calvo † | Bishop of Tunja, Colombia |
| 1 Apr | 78.7 | Luigi Spandre † | Bishop of Asti, Italy |
| 10 Apr | 39.9 | Fiorenzo Umberto Tessiatore, O.F.M. † | Vicar Apostolic of Sianfu, China |
| 21 Apr | 67.5 | Friedrich Gustav Piffl, C.R.S.A. † | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 27 Apr | 63.1 | Nicola Rotoli, O.F.M. † | Bishop of Isernia e Venafro, Italy |
| 1 May | 64.2 | Dudley Charles Cary-Elwes † | Bishop of Northampton, England, Great Britain |
| 1 May | 68.2 | Francesco Maria Raiti, O. Carm. † | Bishop of Trapani, Italy |
| 6 May | 80.4 | Georg Schmid von Grüneck † | Bishop of Chur, Switzerland |
| 7 May | 65.2 | Claudio Angelo Giuseppe Calabrese † | Bishop of Aosta, Italy |
| 8 May | 62.1 | Augusto Klinke Leier † | Apostolic Administrator of Valdivia, Chile |
| 8 May | 66.8 | Cornelius Van de Ven † | Bishop of Alexandria, Louisiana, USA |
| 12 May | 64.2 | Remig Sándor Bárdos, O.S.B. † | Abbot of Pannonhalma, Hungary |
| 24 May | 49.5 | Francesco Fulgenzio Lazzati, O.F.M. † | Vicar Apostolic of Mogadiscio, Somalia |
| 26 May | 45.1 | Evarist Zhang (Chang) Zhiliang † | Vicar Apostolic of Tsining [Jining], China |
| 1 Jun | 69.0 | Bernard Hackett, C.Ss.R. † | Bishop of Waterford and Lismore, Ireland |
| 3 Jun | 82.4 | Michel-Thomas Labrecque † | Bishop Emeritus of Chicoutimi, Québec, Canada |
| 16 Jun | 87.0 | Juan Agustín Boneo † | Bishop of Santa Fe, Argentina |
| 20 Jun | 84.5 | Leo (Johannes) von Mergel, O.S.B. † | Bishop of Eichstätt, Germany |
| 28 Jun | 65.4 | Paolo Carlo Perini, S.J. † | Bishop of Calicut, India |
| 7 Jul | 66.1 | Bl. Carlo Liviero † | Bishop of Città di Castello, Italy |
| 15 Jul | 83.5 | Patrick Joseph O’Connor † | Bishop of Armidale, Australia |
| 16 Jul | 45.9 | Giacomo Carabelli † | Archbishop of Siracusa, Italy |
| 24 Jul | 73.4 | Stanislas-Marie-Liévin de Vos, S.J. † | Prefect Emeritus of Koango o Kwango, Congo (Dem. Rep.) |
| 2 Aug | 89.5 | Václav Antonín (Wenzel Anton) Frind † | Auxiliary Bishop of Praha {Prague}, Czechia |
| 3 Aug | 63.1 | Daniel Joseph Curley † | Bishop of Syracuse, New York, USA |
| 3 Aug | 91.5 | Ambrogio Daffra † | Bishop of Ventimiglia, Italy |
| 11 Aug | 60.1 | Pierre-Louis Perrichon, M.E.P. † | Coadjutor Bishop of Malacca, Singapore |
| 14 Aug | 47.4 | George Joseph Finnigan, C.S.C. † | Bishop of Helena, Montana, USA |
| 22 Aug | 84.8 | Raimondo Jaffei † | Bishop of Forli, Italy |
| 30 Aug | 77.9 | Willem Marinus van Rossum, C.Ss.R. † | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 1 Sep | 65.8 | José Vila y Martínez † | Bishop of Gerona, Spain |
| 5 Sep | 52.7 | Stefan Novák † | Bishop Emeritus of Prešov (Prjašev) (Slovak), Slovakia |
| 20 Sep | 80.9 | Célestin-Henri Joussard, O.M.I. † | Coadjutor Vicar Apostolic Emeritus of Grouard, Alberta, Canada |
| 28 Sep | 71.5 | Manuel Vieira de Matos † | Archbishop of Braga, Portugal |
| 29 Sep | 75.4 | Prospero Scaccia † | Archbishop of Siena, Italy |
| 13 Oct | 73.5 | Francisque- Jean-Etienne Marnas † | Bishop of Clermont, France |
| 13 Oct | 78.0 | Jean-Marie Mérel, M.E.P. † | Vicar Apostolic Emeritus of Canton [Guangzhou], China |
| 28 Oct | 78.4 | Nicola Cicero (Ciceri), C.M. † | Vicar Apostolic Emeritus of Kianfu, China |
| 30 Oct | 70.5 | Manuel María Pólit y Laso † | Archbishop of Quito, Ecuador |
| 14 Nov | 65.6 | Francisco Banegas y Galván † | Bishop of Querétaro, México |
| 15 Nov | 77.5 | Antoine Alphonse de Wachter † | Auxiliary Bishop of Mechelen, Belgium |
| 21 Nov | 73.9 | Jean-Marie Simon, O.S.F.S. † | Vicar Apostolic of Orange River, South Africa |
| 24 Nov | 64.6 | José Antônio de Oliveira Lopes † | Bishop of Pesqueira, Pernambuco, Brazil |
| 2 Dec | 60.7 | Albert Thomas Daeger, O.F.M. † | Archbishop of Santa Fe, New Mexico, USA |
| 15 Dec | 83.7 | Anton Johann Zerr † | Bishop Emeritus of Tiraspol, Moldova |
| 25 Dec | 76.0 | Edward John O’Dea † | Bishop of Seattle, Washington, USA |
| 29 Dec | 85.8 | Jules-Louis-Marie de Carsalade du Pont † | Bishop of Perpignan-Elne, France |
| 31 Dec | 57.2 | John Joseph McMahon † | Bishop of Trenton, New Jersey, USA |
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