| Date | Age | Bishop | Title |
| 5 Jan | 75.1 | Henry Moeller † | Archbishop of Cincinnati, Ohio, USA |
| 5 Jan | 69.0 | Patrick Phelan † | Bishop of Sale, Australia |
| 13 Jan | 66.1 | Franz Zorn von Bulach † | Auxiliary Bishop Emeritus of Strasbourg, France |
| 18 Jan | 72.2 | Louis Charles Casartelli † | Bishop of Salford, England, Great Britain |
| 19 Jan | 92.9 | Pedro Rocamora y García † | Bishop of Tortosa, Spain |
| 29 Jan | 58.1 | Ignazio Gladès Berzi † | Bishop of Luqsor {Tebe} (Coptic), Egypt |
| 5 Feb | 79.3 | Charles du Pont de Ligonnès † | Bishop of Rodez (-Vabres), France |
| 10 Feb | 82.0 | Paolo Emio Bergamaschi † | Bishop Emeritus of Troia, Italy |
| 20 Feb | 83.8 | Jean-Marie-Raoul Le Bas de Courmont, C.S.Sp. † | Vicar Apostolic Emeritus of Zanguebar, Kenya |
| 21 Feb | 40.8 | Michele Cerrati † | Vicar Apostolic of Italy, Military |
| 27 Feb | 62.2 | Joseph-Maxime Sedfaoui † | Bishop of Minya {Ermopoli Maggiore; Minieh} (Coptic), Egypt |
| 9 Mar | 75.8 | Raffaele Virili † | Titular Archbishop of Ptolemais in Libya |
| 18 Mar | 59.4 | Manuel Lago y González † | Archbishop of Santiago de Compostela, Spain |
| 20 Mar | 79.4 | Thomas-François Boutry † | Bishop of Le Puy-en-Velay, France |
| 22 Mar | 48.3 | Louis Jean Martrou, C.S.Sp. † | Vicar Apostolic of Gabon, Gabon |
| 29 Mar | 89.2 | Stanislaw Kazimierz Ruszkiewicz † | Auxiliary Bishop of Warszawa {Warsaw}, Poland |
| 6 Apr | 76.9 | Alexander Christie † | Archbishop of Oregon City, Oregon, USA |
| 13 Apr | 74.3 | Zenón Bustos y Ferreyra, O.F.M. † | Bishop of Córdoba (Tucumán), Argentina |
| 13 Apr | 84.9 | Jakobus von Stammler † | Bishop of Basel e Lugano, Switzerland |
| 27 Apr | 62.2 | Roberto Achille Razzòli, O.F.M. † | Bishop of Potenza e Marsico Nuovo, Italy |
| 12 May | 73.3 | Wilhelm Atanazy Kloske † | Auxiliary Bishop of Gniezno e Poznań, Poland |
| 17 May | 61.6 | Augustín Fischer-Colbrie † | Bishop of Košice, Slovakia |
| 22 May | 54.4 | Placido Ferniani † | Bishop of Ruvo e Bitonto, Italy |
| 2 Jun | 52.4 | Thomas Kurialachery † | Bishop of Changanacherry (Syro-Malabarese), India |
| 5 Jun | 76.3 | Albino Angelo Pardini, C.R.L. † | Bishop Emeritus of Foligno, Italy |
| 17 Jun | 77.7 | Benjamin Joseph Keiley † | Bishop Emeritus of Savannah, Georgia, USA |
| 22 Jun | 87.6 | Matthew Gibney † | Bishop Emeritus of Perth, Australia |
| 9 Jul | 73.9 | Maximino Velasco, O.P. † | Vicar Apostolic of Northern Tonking {Tonkino Settentrionale}, Viet Nam |
| 17 Jul | 70.0 | Henri Laurent Janssens, O.S.B. † | Titular Bishop of Bethsaida |
| 19 Jul | 85.5 | Louis Nazaire Bégin † | Cardinal, Archbishop of Québec, Canada |
| 19 Jul | 74.4 | Luca Pappafava † | Bishop of Hvar (-Brac e Vis), Croatia |
| 27 Jul | 62.8 | Auguste-Jean-Gabriel Maurice, O.F.M. † | Vicar Apostolic Emeritus of Central Shensi/Chensi {Scen-Si Centrale}, China |
| 4 Aug | 67.8 | Sebastião José Pereira † | Bishop of Damão, India |
| 30 Aug | 64.5 | Heinrich Hähling von Lanzenauer † | Auxiliary Bishop of Paderborn, Germany |
| 21 Sep | 49.5 | Luca Piergiovanni † | Bishop of Tarquinia e Civitavecchia, Italy |
| 30 Sep | 53.5 | Joseph-Fructueux Bourgain, M.E.P. † | Vicar Apostolic of Ningyüanfu, China |
| 5 Oct | 73.4 | Wladyslaw Michal Zaleski † | Titular Patriarch of Antiochia {Antioch} |
| 16 Oct | 71.0 | Michael Francis Glancey † | Auxiliary Bishop of Birmingham, England, Great Britain |
| 18 Oct | 72.2 | Antonio Bassani † | Bishop Emeritus of Chioggia, Italy |
| 18 Oct | 68.8 | Alexandre Cardot, M.E.P. † | Vicar Apostolic of Southern Burma {Birmania Meridionale}, Myanmar |
| 20 Oct | 89.5 | Agnello Renzullo † | Bishop Emeritus of Nola, Italy |
| 25 Oct | 64.8 | Dimitrios I (Joseph) Cadi (Kadi) † | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 1 Nov | 71.8 | François-Alexandre Maillet † | Bishop of Saint-Claude, France |
| 4 Nov | 61.7 | John Patrick Carroll † | Bishop of Helena, Montana, USA |
| 7 Nov | 76.9 | Denis O’Donaghue † | Bishop Emeritus of Louisville, Kentucky, USA |
| 26 Nov | 81.0 | Disma Marchese † | Bishop of Acqui, Italy |
| 28 Nov | 66.8 | Giuseppe Ridolfi † | Archbishop Emeritus of Otranto, Italy |
| 2 Dec | 73.3 | Agostino Migliore † | Bishop of Monopoli, Italy |
| 4 Dec | 72.9 | John Francis Vaughan † | Auxiliary Bishop of Salford, England, Great Britain |
| 14 Dec | 80.8 | Henri-Louis Chapon † | Bishop of Nice, France |