| Date | Age | Bishop | Title |
| 3 Jan | 66.1 | Tommaso Gomes de Almeida † | Bishop of Guarda, Portugal |
| 4 Jan | 63.3 | Gulstan Francis Ropert, SS.CC. † | Vicar Apostolic of Hawaiian Islands, USA |
| 12 Jan | 59.2 | Julien-Alexandre Mauger, C.S.Sp. † | Prefect Emeritus of Isole di Mayotta, Nossi-Bé e Comore, Madagascar |
| 15 Jan | 69.4 | Lucido Maria Parocchi † | Cardinal, Chamberlain (Camerlengo) of the Apostolic Chamber |
| 16 Jan | 61.3 | Ramón Torrijos y Gómez † | Bishop of Badajoz, Spain |
| 22 Jan | 61.8 | Guido Corbelli, O.F.M. Obs. † | Bishop Emeritus of Cortona, Italy |
| 30 Jan | 78.8 | Félix-Marie-François-Ghislain de Neckere † | Titular Archbishop of Melitene |
| 2 Feb | 46.7 | Elie-Joseph Khayatt † | Archbishop of Kerkūk (Chaldean), Iraq |
| 7 Feb | 68.7 | Joseph-Étienne-Auguste-Louis Bardou, M.E.P. † | Bishop of Coimbatore, India |
| 9 Feb | 77.1 | Mariano Palermo † | Bishop of Piazza Armerina, Italy |
| 12 Feb | 80.0 | Angelo Michele Onorati † | Bishop of Tricarico, Italy |
| 14 Feb | 58.2 | Giovanni Previtera (Privitera) † | Bishop of Patti, Italy |
| 24 Feb | 54.9 | Bolesław Hieronim Kłopotowski † | Archbishop of Mohilev, Belarus |
| 5 Mar | 66.9 | John Bilsborrow † | Bishop of Salford, England, Great Britain |
| 12 Mar | 68.7 | Alessandro Toti † | Bishop of Colle di Val d’Elsa, Italy |
| 13 Mar | 71.8 | José Benigo Perilla y Martínez † | Bishop of Tunja, Colombia |
| 15 Mar | 88.0 | Franz Wilhelm Cramer † | Auxiliary Bishop of Münster, Germany |
| 21 Mar | 67.9 | Ferdinando Capponi † | Archbishop of Pisa, Italy |
| 22 Mar | 76.6 | James Rogers † | Bishop Emeritus of Chatham, New Brunswick, Canada |
| 1 Apr | 66.9 | Antônio Cândido Alvarenga † | Bishop of São Paulo, Brazil |
| 11 Apr | 77.2 | Giuseppe Masi † | Titular Bishop of Tempe |
| 13 Apr | 69.2 | Pietro Maglione † | Bishop Emeritus of Capaccio e Vallo della Lucania, Italy |
| 17 Apr | 63.2 | Ezechiel Francisco Soto, SS.CC. † | Bishop of Huaraz, Peru |
| 20 Apr | 62.0 | Raffaele Sirolli † | Secretary of the Congregation of Apostolic Visitation |
| 25 Apr | 72.1 | Matteo Zannoni † | Bishop of Šibenik (Knin), Croatia |
| 27 Apr | 57.2 | Guglielmo Giustini † | Bishop of Recanati e Loreto, Italy |
| 27 Apr | 74.3 | Francesco Solano del Risco, O.F.M. Obs. † | Bishop Emeritus of Chachapoyas, Peru |
| 1 May | 75.2 | Henryk Piotr Kossowski † | Auxiliary Bishop Emeritus of Włocławek (Kujawy, Kalisze), Poland |
| 1 May | 78.1 | Alphonse-Martin Larue † | Bishop Emeritus of Langres, France |
| 3 May | 73.2 | Bl. Edoardo Giuseppe Rosaz † | Bishop of Susa, Italy |
| 17 May | 68.6 | Louis Olivieri † | Bishop of Ajaccio, France |
| 22 May | 79.7 | Gaspard Josephus Martinus Bottemanne † | Bishop of Haarlem, Netherlands |
| 27 May | 69.7 | Johann Baptist Maria Assmann † | Bishop of Germany, Military |
| 6 Jun | 59.1 | Jean-Marie Crochet † | Bishop of Nagpur, India |
| 8 Jun | 52.9 | Gaetano Quattrocchi † | Bishop Emeritus of Mazara del Vallo, Italy |
| 19 Jun | 71.1 | Herbert Alfred Henry Vaughan † | Cardinal, Archbishop of Westminster, England, Great Britain |
| 5 Jul | 59.5 | Mariano Cidad y Olmos † | Bishop of Astorga, Spain |
| 9 Jul | 71.4 | Isidore Clut, O.M.I. † | Auxiliary Bishop Emeritus of Athabaska Mackenzie, Alberta, Canada |
| 20 Jul | 70.7 | Vincenzo Di Giovanni † | Prelate Emeritus of Santa Lucia del Mela, Italy |
| 20 Jul | 59.4 | Frederick Francis Xavier Katzer † | Archbishop of Milwaukee, Wisconsin, USA |
| 20 Jul | 93.3 | Vincenzo Gioacchino Raffaele Luigi Pecci † | Pope (Roma {Rome}, Italy) |
| 30 Jul | 80.1 | Juan Nepomuceno Rueda Rueda † | Bishop Emeritus of Antioquía, Colombia |
| 15 Aug | 60.7 | Marino Russo † | Bishop of Marsi, Italy |
| 17 Aug | 59.6 | Jacques-Denis Peyramale, M.E.P. † | Bishop-Elect of Coimbatore, India |
| 22 Aug | 64.3 | Louis-Callixte Lasserre, O.F.M. Cap. † | Vicar Apostolic Emeritus of Arabia, Yemen |
| 1 Sep | 59.9 | Sámuel Hetyey de Eadem † | Bishop of Pécs, Hungary |
| 15 Sep | 77.6 | Charles-Constant Jolivet, O.M.I. † | Vicar Apostolic of Natal, South Africa |
| 22 Sep | 70.6 | Ezechias Banci, O.F.M. Ref. † | Vicar Apostolic of Northwestern Hupeh {Hu-Pè Occiduo-Settentrionale}, China |
| 27 Sep | 64.2 | Nicodario Vampa † | Archbishop of Urbino, Italy |
| 11 Oct | 66.6 | Eugenio Carlo Valussi † | Bishop of Trento, Italy |
| 13 Oct | 62.3 | John Joseph Kain † | Archbishop of Saint Louis, Missouri, USA |
| 13 Oct | 83.6 | Giuseppe Antonio Virdia, O.F.M. Conv. † | Bishop Emeritus of Cariati, Italy |
| 21 Oct | 65.2 | Amédée-Jean-Baptiste Latieule † | Bishop of Vannes, France |
| 2 Nov | 68.1 | Antonio Maria de Lorenzo † | Bishop Emeritus of Mileto, Italy |
| 3 Nov | 61.6 | Jean-Baptiste Brondel † | Bishop of Helena, Montana, USA |
| 5 Nov | 72.0 | Heinrich Brück (Brueck) † | Bishop of Mainz, Germany |
| 12 Nov | 74.6 | Giuseppe Apollonio † | Bishop of Treviso, Italy |
| 16 Nov | 68.9 | Etienne-Antoine-Alfred Lelong † | Bishop of Nevers, France |
| 23 Nov | 78.3 | Felice Gialdini † | Bishop Emeritus of Montepulciano, Italy |
| 24 Nov | 52.5 | Johann Baptist von Anzer, S.V.D. † | Vicar Apostolic of Southern Shantung {Scian-Ton Meridionale}, China |
| 5 Dec | 61.7 | Federico Domenico Sala † | Auxiliary Bishop of Milano {Milan}, Italy |
| 9 Dec | 81.8 | Sebastián Herrero y Espinosa de los Monteros, C.O. † | Cardinal, Archbishop of Valencia, Spain |
| 13 Dec | 57.8 | Denis Mary Bradley † | Bishop of Manchester, New Hampshire, USA |
| 13 Dec | 61.9 | Francisco Sáenz de Urturi y Crespo, O.F.M. Obs. † | Archbishop Emeritus of Santiago de Cuba |
| 15 Dec | 37.3 | Maximilian Albert, S.M.A. † | Vicar Apostolic of Costa d’Oro {Gold Coast}, Ghana |