| Date | Age | Bishop | Title |
| unknown | 51.1 | Salvatore Maria Bressi, O.F.M. Cap. † | Archbishop of Otranto, Italy |
| unknown | 64.2 | Prospero Curti † | Bishop of Guastalla, Italy |
| unknown | 66.1 | Juan María Ambrosio Huerta † | Bishop of Arequipa, Peru |
| unknown | 71.8 | Giuseppe Maria Maragioglio, O.F.M. Cap. † | Bishop of Patti, Italy |
| unknown | 88.8 | José António Pereira Bilhano † | Archbishop of Évora, Portugal |
| unknown | 84.9 | Pietro Rota † | Bishop Emeritus of Mantova, Italy |
| 7 Jan | 78.7 | Giuseppe Formisano † | Bishop of Nola, Italy |
| 26 Jan | 47.6 | Eugène-Paul Coupat, M.E.P. † | Vicar Apostolic of Eastern Szechwan {Se-Ciuen Orientale}, China |
| 1 Feb | 56.5 | Innocenzo Maria Yereguj † | Bishop of Montevideo, Uruguay |
| 5 Feb | 55.8 | Antonio García y Fernández † | Bishop of Segovia, Spain |
| 8 Feb | 82.1 | Giuseppe Pecci, S.J. † | Cardinal, Prefect 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 |
| 13 Mar | 67.3 | François-Ferdinand Tagliabue, C.M. † | Vicar Apostolic of Northern Chi-Li {Ce-Li Settentrionale} o Pe-Kin, China |
| 18 Mar | 79.0 | Franz Bernert † | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 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-Matera, Italy |
| 3 Apr | 61.4 | François Grolleau † | Bishop of Evreux, France |
| 10 Apr | 72.2 | Franz de Paula Albert Eder, O.S.B. † | Archbishop of Salzburg, Austria |
| 18 Apr | 84.3 | Boulos (Paolo Pietro) Mass'ad (Massaad) † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 23 Apr | 80.6 | Luigi Maria Paoletti † | Bishop of Montepulciano, Italy |
| 3 May | 63.8 | Caspar Henry Borgess † | Bishop Emeritus of Detroit, Michigan, USA |
| 16 May | 50.7 | Ramón María de San José Moreno y Castañeda, O. Carm. † | Bishop Emeritus of Chiapas (Ciudad Real de Chiapas), Chiapas, México |
| 23 May | 71.0 | Friedrich von Schreiber † | Archbishop of Bamberg, Germany |
| 27 May | 66.7 | James O’Connor † | Bishop of Omaha, Nebraska, USA |
| 30 May | 60.2 | Julius Dinder † | Archbishop of Gniezno-Poznań, Poland |
| 3 Jun | 68.4 | Louis-Joseph D'Herbomez, O.M.I. † | Vicar Apostolic of British Columbia, Canada |
| 14 Jun | 61.6 | Symphorien Charles-Jacques Mouard (Monard), O.F.M. Cap. † | Bishop of Lahore, Pakistan |
| 16 Jun | 72.1 | Robert Cornthwaite † | Bishop of Leeds, England, Great Britain |
| 18 Jun | 79.7 | Jean-Marie Tissot, M.S.F.S. † | Bishop of Vizagapatam, India |
| 21 Jul | 61.4 | Antonio Ibáñez y Galiano † | Bishop of Teruel (-Albarracín), Spain |
| 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 | John Henry Newman, C.O. † | Cardinal, Priest of Confederation of Oratorians of St. Philip Neri |
| 25 Aug | 65.7 | Léon Bélouino † | Auxiliary Bishop Emeritus of Port-au-Prince, Haïti |
| 14 Sep | 71.7 | Jean-Yves-Marie Coadou, M.E.P. † | Bishop of Mysore, India |
| 26 Sep | 67.5 | Henri Joseph Faraud, O.M.I. † | Vicar Apostolic of Athabaska Mackenzie, Alberta, Canada |
| 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 |
| 21 Oct | 38.8 | Léonce Bridoux, M. Afr. † | Vicar Apostolic of Tanganika, Tanzania |
| 12 Nov | 60.8 | Pedro Maria de Lacerda † | Bishop of São Sebastião do Rio de Janeiro, Brazil |
| 14 Nov | 82.9 | Fernando Ramírez 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 |
| 3 Dec | 81.7 | Giuseppe Carrano † | Bishop of Cava e Sarno, Italy |
| 4 Dec | 88.4 | John Pius Leahy, O.P. † | Bishop of Dromore, Ireland |