| Date | Age | Bishop | Title |
| unknown | 83.6 | Carlo Arakelian † | Bishop of Ancira (Angora) (Armenian), Turkey |
| unknown | 69.6 | Clément Mikaelian † | Bishop of Marasc (Armenian), Turkey |
| unknown | 67.2 | Raffaele Molina † | Titular Bishop of Sinopoli |
| unknown | 78.9 | Stefano Neszveda † | Auxiliary Bishop of Vác, Hungary |
| unknown | 57.2 | Giovanni Rebello Cardoso de Menezes † | Coadjutor Bishop of Lamego, Portugal |
| 4 Jan | 93.8 | Gaetano Rossini † | Bishop of Molfetta-Giovinazzo-Terlizzi, Italy |
| 7 Jan | 78.7 | Giuseppe Formisano † | Bishop of Nola, Italy |
| 23 Jan | 51.1 | Salvatore Maria Bressi, O.F.M. Cap. † | Archbishop of Otranto, Italy |
| 26 Jan | 47.6 | Eugène-Paul Coupat, M.E.P. † | Vicar Apostolic of Eastern Szechwan {Se-Ciuen Orientale}, China |
| 27 Jan | 79.9 | Corradino Cavriani † | Bishop Emeritus of Ceneda, Italy |
| 27 Jan | 83.8 | Filippo Gallo, C.M. † | Bishop Emeritus of Bovino, Italy |
| 1 Feb | 56.5 | Innocenzo Maria Yereguj † | Bishop of Montevideo, Uruguay |
| 3 Feb | 85.0 | Pietro Rota † | Bishop Emeritus of Mantova, Italy |
| 5 Feb | 55.8 | Antonio García y Fernández † | Bishop of Segovia, Spain |
| 8 Feb | 82.2 | Giuseppe Pecci, S.J. † | Cardinal, Prefect Emeritus of the Congregation for Studies |
| 21 Feb | 45.8 | Marie-Jean-Gustave Blanc, M.E.P. † | Vicar Apostolic of Corea |
| 21 Feb | 59.3 | Constant-Mathurin Hillion † | Archbishop of Port-au-Prince, Haïti |
| 21 Feb | 66.3 | Manuel Mercader y Arroyo † | Bishop of Menorca, Spain |
| 27 Feb | 73.0 | Christoph Moufang † | Vicar Apostolic Emeritus of Mainz, Germany |
| 1 Mar | 54.3 | Jordan Ballsieper, O.S.B. † | Vicar Apostolic Emeritus of Eastern Bengal, India |
| 13 Mar | 67.3 | François-Ferdinand Tagliabue, C.M. † | Vicar Apostolic of Northern Chi-Li {Ce-Li Settentrionale} o Pe-Kin, China |
| 16 Mar | 82.2 | Severo Garcia † | Bishop Emeritus of Tunja, Colombia |
| 18 Mar | 79.0 | Franz Bernert † | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 21 Mar | 64.4 | Prospero Curti † | Bishop of Guastalla, Italy |
| 21 Mar | 64.4 | Edmond Alfred Dardel, O.F.M. Cap. † | Vicar Apostolic of Seychelles |
| 26 Mar | 72.0 | Michael Heiss † | Archbishop of Milwaukee, Wisconsin, USA |
| 30 Mar | 66.4 | Gesualdo Nicola Loschirico, O.F.M. Cap. † | Archbishop of Acerenza e Matera, Italy |
| 3 Apr | 81.0 | Giuseppe Carrano † | Bishop of Cava e Sarno, Italy |
| 3 Apr | 61.4 | François Grolleau † | Bishop of Evreux, France |
| 4 Apr | 72.0 | Luigi Mariotti † | Bishop of Montefeltro, Italy |
| 10 Apr | 72.2 | Franz de Paula Albert Eder, O.S.B. † | Archbishop of Salzburg, Austria |
| 18 Apr | 84.2 | Boulos Boutros Mass’ad (Massaad) † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 23 Apr | 80.6 | Luigi Maria Paoletti † | Bishop of Montepulciano, Italy |
| 25 Apr | 67.0 | Vincenzo Capelli † | Bishop of Tortona, Italy |
| 3 May | 65.8 | Caspar Henry Borgess † | Bishop Emeritus of Detroit, Michigan, USA |
| 9 May | 61.2 | Juan de Dios Bosque † | Bishop of La Paz, Bolivia |
| 23 May | 71.0 | Friedrich Josef von Schreiber † | Archbishop of Bamberg, Germany |
| 26 May | 50.7 | Ramón María de San José Moreno y Castañeda, O. Carm. † | Bishop Emeritus of Chiapas (Ciudad Real de Chiapas), México |
| 27 May | 66.7 | James O’Connor † | Bishop of Omaha, Nebraska, USA |
| 30 May | 60.2 | Julius Josephus Dinder † | Archbishop of Gniezno e Poznań, Poland |
| 3 Jun | 68.4 | Louis-Joseph D’Herbomez, O.M.I. † | Vicar Apostolic of British Columbia, Canada |
| 16 Jun | 72.1 | Robert Cornthwaite † | Bishop of Leeds, England, Great Britain |
| 14 Jul | 61.6 | Symphorien Charles-Jacques Mouard (Monard), O.F.M. Cap. † | Bishop of Lahore, Pakistan |
| 21 Jul | 61.4 | Antonio Ibáñez y Galiano † | Bishop of Teruel (-Albarracín), Spain |
| 26 Jul | 56.4 | Gennaro Maria Maselli, O.F.M. † | Bishop of Ugento, Italy |
| 31 Jul | 61.3 | Luigi Pallotti † | Cardinal, Prefect of the Roman Curia - Other |
| 8 Aug | 70.8 | Julien Costes † | Bishop Emeritus of Mende, France |
| 10 Aug | 67.9 | Pierre-Paul Stumpf † | Bishop of Strasbourg, France |
| 11 Aug | 89.5 | Bl. John Henry Newman, C.O. † | Cardinal, Priest of Confederation of Oratorians of St. Philip Neri |
| 21 Aug | 46.2 | Otto (Lorenz) Hopfenmüller, S.D.S. † | Prefect of Assam, India |
| 25 Aug | 65.7 | Léon Bélouino † | Auxiliary Bishop Emeritus of Port-au-Prince, Haïti |
| 6 Sep | 88.1 | John Pius Leahy, O.P. † | Bishop of Dromore, Ireland |
| 8 Sep | 73.1 | Tommaso Passero, O.P. † | Bishop of Troia, Italy |
| 12 Sep | 83.4 | Tommaso Michele Salzano, O.P. † | Titular Archbishop of Edessa in Osrhoëne |
| 14 Sep | 71.7 | Jean-Yves-Marie Coadou, M.E.P. † | Bishop of Mysore, India |
| 18 Sep | 89.5 | José António Pereira Bilhano † | Archbishop of Évora, Portugal |
| 26 Sep | 67.5 | Henri Joseph Faraud, O.M.I. † | Vicar Apostolic of Athabaska Mackenzie, Alberta, Canada |
| 27 Sep | 80.0 | Jean-Marie Tissot, M.S.F.S. † | Bishop of Vizagapatam, India |
| 29 Sep | 81.1 | Ramón Fernández y Lafita † | Bishop of Jaca, Spain |
| 3 Oct | 66.1 | Joseph Hergenröther † | Cardinal, Prefect of the Vatican Secret Archives |
| 20 Oct | 38.8 | Léonce Bridoux, M. Afr. † | Vicar Apostolic of Tanganika, Tanzania |
| 27 Oct | 78.8 | Józef Hollak † | Auxiliary Bishop of Sejny o Sejna o Augustów, Poland |
| 8 Nov | 43.7 | Lodovico Caracciolo di Castagneta † | Auxiliary Bishop of Aversa, Italy |
| 12 Nov | 60.8 | Pedro Maria de Lacerda † | Bishop of São Sebastião do Rio de Janeiro, Brazil |
| 14 Nov | 82.9 | Fernando Ramírez y Vázquez † | Bishop of Badajoz, Spain |
| 16 Nov | 55.2 | Juan María Valero y Nacarino † | Bishop of Cuenca, Spain |
| 21 Nov | 88.9 | William Bernard Allen Collier, O.S.B. † | Bishop Emeritus of Port-Louis, Mauritius |
| 27 Nov | 61.2 | Aloysius Nicora † | Bishop of Como, Italy |
| Dec | 79.8 | Francesco Mazzuoli † | Bishop Emeritus of San Severino (Marche), Italy |
| 17 Dec | 52.4 | Joseph Zoghbe † | Archbishop of Cipro (Maronite), Cyprus |