| Date | Age | Bishop | Title |
|---|
| unknown | | Girolamo da Lione, O.F.M. Cap. † | Superior of Siria e Cilicia, Syria |
| unknown | | André Windels, C.M. † | Prefect of Bikoro, Congo (Dem. Rep.) |
| 1 Jan | 71.1 | Salvator Peter Walleser, O.F.M. Cap. † | Vicar Apostolic of Tsinchow [Tianshui], China |
| 2 Jan | 61.3 | Fabian Abrantowicz, M.I.C. † | Apostolic Exarch Emeritus of Harbin [Harbin] (Russian), China |
| 3 Jan | 75.0 | Gabriele Natale Moriondo, O.P. † | Bishop Emeritus of Caserta, Italy |
| 6 Jan | 80.5 | Angelo Cambiaso † | Bishop of Albenga, Italy |
| 6 Jan | 57.0 | Ireneus Hayasaka Kyubei † | Apostolic Administrator of Taiku, Korea (South) |
| 7 Jan | 81.6 | Charles-Marie-André Ginisty † | Bishop of Verdun, France |
| 31 Jan | 74.6 | Pietro Boetto, S.J. † | Cardinal, Archbishop of Genova, Italy |
| 12 Feb | 79.2 | Gaston Robichez, S.J. † | Bishop of Trincomalee, Sri Lanka |
| 15 Feb | 82.0 | Celestino Annibale Cattaneo, O.F.M. Cap. † | Vicar Apostolic Emeritus of Eritrea |
| 26 Feb | 54.7 | Miguel Gaspar Monconill y Viladot, O.F.M. Cap. † | Vicar Apostolic of Caquetá, Colombia |
| 2 Mar | 76.2 | Antonio Galati † | Archbishop of Santa Severina, Italy |
| 4 Mar | 54.4 | William Aloysius Rice, S.J. † | Vicar Apostolic of Belize |
| 9 Mar | 83.7 | John Joseph Glennon † | Cardinal, Archbishop of Saint Louis, Missouri, USA |
| 14 Mar | 83.0 | Auguste Grumel † | Bishop of Saint-Jean-de-Maurienne, France |
| 15 Mar | 62.7 | Vittorio Consigliere, O.F.M. Cap. † | Bishop of Ascoli Satriano e Cerignola, Italy |
| 15 Mar | 71.1 | Joseph Sak, S.D.B. † | Vicar Apostolic of Sakania, Congo (Dem. Rep.) |
| 22 Mar | 68.0 | Bl. Clemens August von Galen † | Cardinal, Bishop of Münster, Germany |
| 1 Apr | 72.3 | Cesare Orsenigo † | Apostolic Nuncio to Germany |
| 1 Apr | 71.2 | Adalberto Ottone Rielander, SS.CC. † | Prefect Emeritus of Western Kaiser-Wilhelms-Land, Papua New Guinea |
| 1 Apr | 69.0 | Thomas Leighton Williams † | Archbishop of Birmingham, England, Great Britain |
| 3 Apr | 73.1 | Benedito Paulo Alves de Souza † | Bishop Emeritus of Espírito Santo, Brazil |
| 11 Apr | 69.3 | Giovanni Bargiggia † | Bishop of Vigevano, Italy |
| 20 Apr | 67.4 | Georges-Eugène-Emile Choquet † | Bishop of Tarbes et Lourdes, France |
| 24 Apr | 71.0 | Jean Kurio † | Bishop of Amadiyah (Chaldean), Iraq |
| 26 Apr | 61.8 | Daniel Joseph Hannon † | Bishop of Menevia, Wales, Great Britain |
| 5 May | 60.1 | Antonio Colturato, O.F.M. Cap. † | Bishop of Botucatu, Brazil |
| 6 May | 60.4 | Kazimierz Bukraba † | Bishop of Pinsk, Belarus |
| 7 May | 78.8 | Henri Vielle, O.F.M. † | Vicar Apostolic of Rabat, Morocco |
| 8 May | 76.5 | James Dey † | Vicar Apostolic of Great Britain, Military |
| 8 May | 89.2 | Adolphe-Yves-Marie Duparc † | Bishop of Quimper [Cornouailles](-Léon), France |
| 13 May | 85.2 | Felipe Rincón González † | Archbishop of Caracas, Santiago de Venezuela |
| 18 May | 64.6 | Jean-Marie-Michel Blois, M.E.P. † | Archbishop of Shenyang [Mukden, Fengtien], China |
| 18 May | 66.4 | Edouard Rostaing, M.S. † | Vicar Apostolic of Antsirabé, Madagascar |
| 20 May | 74.8 | Enrico Gasparri † | Cardinal, Prefect of the Apostolic Signatura |
| 25 May | 57.3 | Gaspër Thaçi † | Archbishop of Shkodrë, Albania |
| 27 May | 77.2 | Patrick Morrisroe † | Bishop of Achonry, Ireland |
| 2 Jun | 68.9 | Ernest-Victor Mennechet † | Bishop of Soissons (-Laon-Saint-Quentin), France |
| 15 Jun | 76.3 | João Batista Becker † | Archbishop of Porto Alegre, Rio Grande do Sul, Brazil |
| 16 Jun | 61.6 | Luigi Martinelli † | Archbishop of Amalfi, Italy |
| 30 Jun | 72.1 | Manuel Fulcheri y Pietrasanta † | Bishop of Zamora, Michoacán, México |
| 30 Jun | 75.6 | Emmanuel Josip Stepan Garić, O.F.M. † | Bishop of Banjaluka, Bosnia and Herzegovina |
| 19 Jul | 53.6 | Rodolfo Orler, F.S.C.J. † | Vicar Apostolic of Bahr el-Ghazal, Sudan |
| 20 Jul | 69.1 | Luciano Geraci † | Prelate of Santa Lucia del Mela, Italy |
| 23 Jul | 85.1 | Pasquale Berardi † | Archbishop Emeritus of Gaeta, Italy |
| 4 Aug | 52.1 | Ludwig Baumeister, M.S.C. † | Superior Emeritus of Shihtsien [Shiqian], China |
| 6 Aug | 69.3 | Damian Johannes Theelen, C.P. † | Bishop of Nicopoli, Bulgaria |
| 9 Aug | 59.6 | Guy-Léandre Le Floch, O.F.M. Cap. † | Bishop of Ajmer, India |
| 9 Aug | 63.1 | Janko Šimrak † | Bishop of Križevci (Kreutz) (Križevci), Croatia |
| 20 Aug | 72.0 | Francisco María González y Arias † | Bishop of Cuernavaca, Morelos, México |
| 3 Sep | 77.8 | Julien-Marie Leventoux, C.I.M. † | Vicar Apostolic Emeritus of Golfe St-Laurent, Québec, Canada |
| 11 Sep | 79.0 | John Mary Harty † | Archbishop of Cashel (-Emly), Ireland |
| 17 Sep | 44.3 | Heinrich Horst, M. Afr. † | Vicar Apostolic of Lwangwa, Zambia |
| 22 Sep | 65.1 | Johannes Michiel Buckx, S.C.I. † | Vicar Apostolic Emeritus of Finland {Finlandia} |
| 23 Sep | 60.6 | Ugo Giubbi † | Bishop of San Miniato, Italy |
| 26 Sep | 71.7 | François-Arsène-Jean-Marie-Eugène Lemasle, M.E.P. † | Vicar Apostolic of Huê, Viet Nam |
| 28 Sep | 56.5 | John Raphael Hagan † | Auxiliary Bishop of Cleveland, Ohio, USA |
| 1 Oct | 78.6 | Pavel Huyn † | Archbishop Emeritus of Praha {Prague}, Czechia |
| 8 Oct | 74.0 | Agustín Parrado y García † | Cardinal, Archbishop of Granada, Spain |
| 12 Oct | 63.3 | Ignazio Canazei, S.D.B. † | Bishop of Shaoguan [Shiuchow, Shao-Chou], China |
| 17 Oct | 69.6 | Pie Eugène Joseph Neveu, A.A. † | Apostolic Administrator of Moscow, Russian Federation |
| 22 Oct | 80.3 | John Baptist Morris † | Bishop of Little Rock, Arkansas, USA |
| 2 Nov | 68.0 | John Patrick Barrett † | Bishop of Plymouth, England, Great Britain |
| 9 Nov | 88.9 | Athanase Ignace Nuri † | Archbishop Emeritus of Baghdad (Syrian), Iraq |
| 12 Nov | 69.7 | Camillo Caccia Dominioni † | Cardinal, Priest of Milano {Milan}, Italy |
| 16 Nov | 83.5 | Antonio Lega † | Archbishop of Ravenna, Italy |
| 18 Nov | 58.9 | Vincentas Borisevicius † | Bishop of Telšiai, Lithuania |
| 18 Nov | 63.1 | Christian Herman Winkelmann † | Bishop of Wichita, Kansas, USA |
| 19 Nov | 72.8 | Nicanor Mutiloa e Irurita, C.Ss.R. † | Bishop of Tarazona (-Tudela), Spain |
| 26 Nov | 57.3 | Louis Francis Kelleher † | Auxiliary Bishop of Boston, Massachusetts, USA |
| 9 Dec | 58.5 | Georges Baraka † | Bishop of Minya {Ermopoli Maggiore; Minieh} (Coptic), Egypt |
| 15 Dec | 52.9 | Gabriele (Nicola) Nabaa, B.S. † | Bishop of Saïda (Melkite Greek), Lebanon |
| 25 Dec | 71.5 | George Henry Bennett † | Bishop of Aberdeen, Scotland, Great Britain |
| 25 Dec | 59.4 | Juan Pascual Chimento † | Archbishop of La Plata, Argentina |
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