| Date | Age | Bishop | Title |
| unknown | 80.0 | Eugenio Beccegato † | Bishop of Vittorio Veneto, Italy |
| unknown | 44.4 | Secondo Bologna † | Bishop of Boiano-Campobasso, Italy |
| unknown | 68.7 | Paolo Castiglioni † | Auxiliary Bishop of Milano {Milan}, Italy |
| unknown | 60.5 | Domenico Ettorre † | Bishop of Nocera Umbra-Gualdo Tadino, Italy |
| unknown | 68.8 | Gyula Glattfelder † | Archbishop of Kalocsa, Hungary |
| unknown | 78.2 | Anselm Edward John Kenealy, O.F.M. Cap. † | Archbishop Emeritus of Simla, India |
| unknown | 71.0 | Edward Komar † | Auxiliary Bishop of Tarnów, Poland |
| unknown | 54.3 | Enrico Montalbetti † | Archbishop of Reggio Calabria, Italy |
| unknown | 79.9 | Edward Mulhern † | Bishop of Dromore, Ireland |
| unknown | 76.4 | Ferdinando Rodolfi † | Bishop of Vicenza, Italy |
| unknown | 52.7 | Angelo Soracco † | Bishop of Fossano, Italy |
| unknown | 62.5 | Fortunato Antonio Spruit, O.F.M. † | Vicar Apostolic of Luanfu, China |
| unknown | 91.7 | Ludovít Szmrecsányi † | Archbishop of Eger, Hungary |
| unknown | 84.7 | Eugenio van Rechem † | Auxiliary Bishop of Gent {Ghent, Gand}, Belgium |
| unknown | 52.3 | Fabiano Yu Teh Guen † | Vicar Apostolic of Kiating [Leshan], China |
| 2 Jan | 65.4 | Louis-Joseph Fillon † | Archbishop of Bourges, France |
| 10 Jan | 68.9 | Joseph-Tobie Mariétan, C.R.A. † | Abbot Emeritus of Saint-Maurice, Switzerland |
| 19 Jan | 68.7 | Jean-Baptiste-Michel-Marie-Louis Pénicaud, M.E.P. † | Vicar Apostolic Emeritus of Pakhoi [Beihai], China |
| 23 Jan | 81.1 | Johann Jakob von Hauck † | Archbishop of Bamberg, Germany |
| 26 Jan | 49.3 | Bl. Michaël Kozal † | Auxiliary Bishop of Włocławek, Poland |
| 29 Jan | 65.1 | Antoni Jacek Zimniak † | Auxiliary Bishop of Częstochowa, Poland |
| 18 Feb | 56.7 | Vicente Camacho y Moya † | Bishop of Tabasco, Tabasco, México |
| 21 Feb | 63.3 | Joaquín Alcaide y Bueso, O.F.M. Cap. † | Vicar Apostolic of Goajira, Colombia |
| 25 Feb | 88.2 | Pierre Chatelus † | Bishop Emeritus of Nevers, France |
| 27 Feb | 84.3 | John Gerald Neville, C.S.Sp. † | Vicar Apostolic Emeritus of Zanzibar, Kenya |
| 2 Mar | 56.0 | Rudolph Aloysius Gerken † | Archbishop of Santa Fe, New Mexico, USA |
| 4 Mar | 72.3 | François-Xavier Vogt, C.S.Sp. † | Vicar Apostolic of Yaoundé, Cameroon |
| 11 Mar | 71.1 | Manoel Raymundo de Mello † | Bishop Emeritus of Caetité, Baia, Brazil |
| 12 Mar | 66.2 | Jean-Baptiste Castanier, M.E.P. † | Bishop Emeritus of Osaka, Japan |
| 16 Mar | 76.8 | Hermann Joseph Sträter † | Auxiliary Bishop of Aachen, Germany |
| 17 Mar | 77.6 | Arthur Hinsley † | Cardinal, Archbishop of Westminster, England, Great Britain |
| 18 Mar | 83.0 | Arnold Frans Diepen † | Bishop of ’s Hertogenbosch (Bois-le-Duc), Netherlands |
| 29 Mar | 67.0 | Ermenegildo Pellegrinetti † | Cardinal, Official of the Roman Curia - Other |
| 30 Mar | 71.8 | Bernard Alexis Burquier, C.R.A. † | Abbot of Saint-Maurice, Switzerland |
| 31 Mar | 63.2 | Joseph Casimir Plagens † | Bishop of Grand Rapids, Michigan, USA |
| 2 Apr | 83.3 | Franz Xavier Geyer, M.C.C.I. † | Vicar Apostolic Emeritus of Khartoum, Sudan |
| 11 Apr | 87.0 | Federico Cattani Amadori † | Cardinal, Priest of Modigliana, Italy |
| 19 May | 69.6 | Luis Olivares, S.D.B. † | Bishop of Nepi e Sutri, Italy |
| 20 May | 80.6 | Ludwig Sebastian † | Bishop of Speyer, Germany |
| 22 May | 70.7 | Joseph Bach, M.S.C. † | Vicar Apostolic Emeritus of Gilbert Islands {Isole Gilbert}, Kiribati, Pacific (Oceania) |
| 27 May | 81.4 | Emanuel-Anatole-Raphaël Chaptal de Chanteloup † | Auxiliary Bishop of Paris, France |
| 29 May | 78.7 | Georges-Prudent-Marie Bruley des Varannes † | Bishop Emeritus of Monaco |
| 29 May | 72.6 | Sixto Sosa Díaz † | Bishop of Cumaná, Venezuela |
| 31 May | 52.6 | Alexander Stojka † | Bishop of Mukacheve (Ruthenian), Ukraine |
| 8 Jun | 63.8 | John Francis McNulty † | Bishop of Nottingham, England, Great Britain |
| 16 Jun | 75.3 | Thomas Mulvany † | Bishop of Meath, Ireland |
| 27 Jun | 66.7 | Eduard Graf O'Rourke † | Bishop Emeritus of Gdańsk, Poland |
| 8 Jul | 76.7 | Justinas Staugaitis † | Bishop of Telšiai, Lithuania |
| 20 Jul | 83.6 | João Antônio Pimenta † | Bishop of Montes Claros, Brazil |
| 28 Jul | 70.5 | Pierre-Macario Saba † | Archbishop of Alep (Melkite), Syria |
| 19 Aug | 88.9 | Mathias Clement Lenihan † | Bishop Emeritus of Great Falls, Montana, USA |
| 21 Aug | 74.2 | Marián Blaha † | Bishop of Banská Bystrica, Slovakia |
| 24 Aug | 59.7 | Leandro Bautista Astelarra † | Bishop of Bahía Blanca, Argentina |
| 27 Aug | 42.6 | José Gaspar d’Afonseca e Silva † | Archbishop of São Paulo, Sao Paulo, Brazil |
| 30 Aug | 69.1 | Richard Michael Joseph O’Brien † | Archbishop of Kingston, Ontario, Canada |
| 12 Sep | 71.8 | Giuseppe Castelli † | Bishop of Novara, Italy |
| 13 Sep | 74.9 | Francisco de Asís Vidal y Barraquer † | Cardinal, Archbishop of Tarragona, Spain |
| 28 Sep | 65.4 | Juan José Maíztegui y Besoitaiturria, C.M.F. † | Archbishop of Panamá |
| 11 Oct | 79.6 | Matthew Joseph Brodie † | Bishop of Christchurch, New Zealand |
| 27 Oct | 72.2 | Paolo Albera † | Bishop of Mileto, Italy |
| 28 Oct | 71.5 | Louis-Nestor Renault, M.E.P. † | Vicar Apostolic of Suifu [Yibin], China |
| 4 Nov | 69.8 | Vincenzo Lapuma † | Cardinal, Prefect of the Congregation of the Affairs of Religious |
| 13 Nov | 83.6 | Pietro-Adamo Brioschi, P.I.M.E. † | Archbishop of Cartagena, Colombia |
| 18 Nov | 70.5 | Félix Bilbao y Ugarriza † | Bishop of Tortosa, Spain |
| 18 Nov | 74.9 | Bonaventure Finbarr Francis Broderick † | Coadjutor Bishop Emeritus of San Cristobal de la Habana, Cuba |
| 21 Nov | 69.7 | Gustave-Georges-Arsène Vandaele, M.E.P. † | Vicar Apostolic of Hung Hoá, Viêt Nam |
| 25 Nov | 77.1 | Carlo Cremonesi † | Cardinal, Secret Almoner Emeritus of the Office of Papal Charities |
| Dec | 72.5 | Joseph (Ignatius) Shanahan, C.S.Sp. † | Vicar Apostolic Emeritus of Southern Nigeria {Nigeria Meridionale} |
| 8 Dec | 67.2 | Donald Mackintosh † | Archbishop of Glasgow, Scotland, Great Britain |
| 10 Dec | 62.6 | Edmund Vansteenberghe † | Bishop of Bayonne (-Lescar e Oloron), France |
| 15 Dec | 72.4 | Emanuele Phares † | Titular Bishop of Tarsus dei Maroniti |
| 17 Dec | 76.1 | Mauro Caruana, O.S.B. † | Bishop of Malta |
| 24 Dec | 90.9 | James William McCarthy † | Bishop of Galloway, Scotland, Great Britain |
| 29 Dec | 68.8 | Francisco Javier de Irastorza Loinaz † | Bishop of Orihuela, Spain |