| Date | Age | Bishop | Title |
| unknown | | Giuseppe Balbo, I.M.C. † | Prefect of Meru, Kenya |
| unknown | | Marcelo Calvo † | Apostolic Administrator of Lábrea, Amazonas, Brazil |
| unknown | | Fedele da Montclar, O.F.M. Cap. † | Prefect of Caquetá, Colombia |
| unknown | | Luigi Lempereur, C.S.Sp. † | Prefect of Northern Katanga {Katanga Settentrionale}, Congo (Dem. Rep.) |
| unknown | | Domenico Maria Maillet, O.P. † | Prefect of Lang Són et Cao Bang, Viet Nam |
| 3 Jan | 65.2 | Giuseppe Antonio Caruso † | Bishop Emeritus of Oppido Mamertina, Italy |
| 18 Jan | 66.4 | Agustín José Bernaus y Serra, O.F.M. Cap. † | Vicar Apostolic of Bluefields, Nicaragua |
| 23 Jan | 60.8 | Emilio Ferrais † | Archbishop of Catania, Italy |
| 1 Feb | 57.8 | Adolfo Pagani † | Bishop of Como, Italy |
| 9 Feb | 67.9 | Augustinus Bludau † | Bishop of Warmia (Ermland), Poland |
| 22 Feb | 61.2 | Carlo Perosi † | Cardinal, Secretary of the Sacred Consistorial Congregation |
| 25 Feb | 56.7 | St. Luigi Versiglia, S.D.B. † | Vicar Apostolic of Shiuchow [Shaoguan], China |
| 26 Feb | 64.4 | Rafael Merry del Val y Zulueta † | Cardinal, Secretary of the Congregation of the Holy Office |
| 9 Mar | 54.3 | Aloysius Chen Guo-di (Tchen Chao-t’ien), O.F.M. † | Vicar Apostolic of Fenyang [Fenyang], China |
| 14 Mar | 74.2 | Eugène-Louis-Ernest Julien † | Bishop of Arras (-Boulogne-Saint-Omer), France |
| 17 Mar | 70.5 | Constantin-Marie-Joseph Chauvin † | Bishop of Evreux, France |
| 19 Mar | 79.7 | Joseph-Marie-Stanislas Dupont, M. Afr. † | Vicar Apostolic Emeritus of Nyassa, Malawi |
| 20 Mar | 78.0 | Gennaro Cosenza † | Archbishop Emeritus of Capua, Italy |
| 22 Mar | 64.4 | Fabio Berdini † | Bishop Emeritus of Cesena, Italy |
| 24 Mar | 88.9 | Ambrogio Luddi, O.P. † | Bishop Emeritus of Assisi, Italy |
| 4 Apr | 58.3 | Fortunat-Henri Caumont, O.F.M. Cap. † | Bishop of Ajmer, India |
| 5 Apr | 90.3 | Paul-Félix Beuvain de Beauséjour † | Bishop of Carcassonne, France |
| 5 Apr | 64.0 | Ludovico Ferretti, O.P. † | Bishop of Colle di Val d’Elsa, Italy |
| 5 Apr | 74.0 | José Anselmo Luque † | Auxiliary Bishop of Córdoba (Tucumán), Argentina |
| 9 Apr | 87.9 | Nicola Marconi, O.F.M. † | Bishop Emeritus of Pult, Albania |
| 12 Apr | 62.0 | Francisco Muñoz e Izquierdo † | Patriarch of West Indies, Spain |
| 18 Apr | 80.3 | Joaquim Arcoverde de Albuquerque Cavalcanti † | Cardinal, Archbishop of São Sebastião do Rio de Janeiro, Brazil |
| 18 Apr | 66.3 | Giovanni Festa † | Titular Archbishop of Nicaea |
| 18 Apr | 61.3 | Joseph Marušić † | Bishop of Senj (-Modruš), Croatia |
| 19 Apr | 45.4 | Bernardino Vitale Bigi, O.F.M. † | Vicar Apostolic of Cirenaica, Libya |
| 21 Apr | 74.9 | Giovanni Rossi, O.Ss.C.A. † | Auxiliary Bishop of Milano {Milan}, Italy |
| 30 Apr | 56.1 | Inocencio Dávila y Matos † | Bishop of Catamarca, Argentina |
| 10 May | 45.6 | Fernand-Jean-Joseph Thiry, M.E.P. † | Bishop of Fukuoka, Japan |
| 13 May | 50.3 | Arkadiusz Lisiecki † | Bishop of Katowice, Poland |
| 25 May | 71.6 | Jean-Pierre Rey, M.E.P. † | Archbishop Emeritus of Tōkyō, Japan |
| 26 May | 87.2 | Alphonse-Gabriel-Pierre Foucault † | Bishop of Saint-Dié, France |
| 28 May | 67.2 | Robert Bürkler † | Bishop of Sankt Gallen, Switzerland |
| 28 May | 87.6 | Louis-Henri-Joseph Luçon † | Cardinal, Archbishop of Reims, France |
| 31 May | 88.2 | Maximilian von Lingg † | Bishop of Augsburg, Germany |
| 1 Jun | 76.5 | Marian Józef Ryx † | Bishop of Sandomierz, Poland |
| 10 Jun | 71.7 | Domenico Lancellotti † | Bishop of Conversano, Italy |
| 8 Jul | 52.9 | Louis James O’Leary † | Bishop of Charlottetown, Prince Edward Island, Canada |
| 8 Jul | 66.6 | Francisco Uranga y Sáenz † | Bishop of Cuernavaca, Morelos, México |
| 9 Jul | 93.6 | Vincenzo Vannutelli † | Cardinal, Prefect of the Congregation of Ceremonies |
| 11 Jul | 58.0 | Emmanuel Bidwell † | Auxiliary Bishop of Westminster, England, Great Britain |
| 14 Jul | 61.2 | Marie-Auguste Chapuis, M.E.P. † | Bishop Emeritus of Kumbakonam, India |
| 14 Jul | 55.9 | Miguel María de la Mora y Mora † | Bishop of San Luis Potosí, México |
| 16 Jul | 57.1 | Justo Rivas Fernández † | Bishop of Plasencia, Spain |
| 24 Jul | 68.5 | Giovanni Sodo † | Bishop of Ascoli Satriano e Cerignola, Italy |
| 4 Aug | 82.9 | Sebastian Gebhard Messmer † | Archbishop of Milwaukee, Wisconsin, USA |
| 4 Aug | 61.0 | Michael Antonio Maria Vuylsteke, O.P. † | Vicar Apostolic of Curaçao, Netherlands Antilles, Antilles |
| 6 Aug | 80.8 | Ferdinand Brossart † | Bishop Emeritus of Covington, Kentucky, USA |
| 9 Aug | 69.2 | Giuseppe Fabbrucci † | Bishop of Fidenza, Italy |
| 14 Aug | 45.9 | Valerian Joseph de Souza † | Bishop of Mangalore, India |
| 27 Aug | 67.6 | Hippolyte-Marie de La Celle † | Bishop of Nancy (-Toul), France |
| 7 Sep | 63.3 | Pietro Benedetti † | Apostolic Delegate Emeritus to Cuba |
| 12 Sep | 86.4 | Spiridion Poloméni † | Auxiliary Bishop of Carthage, Tunisia |
| 28 Sep | 71.3 | Maurice-Louis-Marie Rivière † | Archbishop of Aix (-Arles-Embrun), France |
| 4 Oct | 76.7 | Henrique José Reed da Silva † | Bishop Emeritus of São Tomé of Meliapore, India |
| 7 Oct | 72.8 | Olaf Offerdahl † | Vicar Apostolic of Norvegia (e Spitzbergen) |
| 10 Oct | 76.5 | Jan Nepomuk Sedlák † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 16 Oct | 56.6 | Giovanni Scotti † | Archbishop of Rossano, Italy |
| 23 Oct | 76.5 | Vicente Casanova y Marzol † | Cardinal, Archbishop of Granada, Spain |
| 30 Oct | 74.0 | Karl Augustinus Kilian † | Bishop of Limburg, Germany |
| 1 Nov | | Robert J. Winkley, M.H.M. † | Prefect of Kafiristan e Kashmir, Pakistan |
| 7 Nov | 70.0 | Alexis-Armand Charost † | Cardinal, Archbishop of Rennes (-Dol-Saint-Malo), France |
| 7 Nov | 78.5 | Alfonso Maria Mistrangelo, Sch. P. † | Cardinal, Archbishop of Firenze {Florence}, Italy |
| 12 Nov | 85.9 | Henri-Victor Altmayer, O.P. † | Archbishop Emeritus of Baghdad, Iraq |
| 12 Nov | 47.6 | Giovanni Soggiu, O.F.M. Conv. † | Prefect of Ankang [Hinganfu], China |
| 21 Nov | 60.8 | Atanasio María Vicente Soler y Royo, O.F.M. Cap. † | Vicar Apostolic of Goajira, Colombia |
| 23 Nov | 68.2 | Settimio Caracciolo di Torchiarolo † | Bishop of Aversa, Italy |
| 29 Nov | 62.6 | Austin Dowling † | Archbishop of Saint Paul, Minnesota, USA |