| Date | Age | Bishop | Title |
| unknown | 32.0 | Charles Guérin † | Prefect of Ghardaïa, Algeria |
| 6 Jan | 67.9 | John Brady † | Auxiliary Bishop of Boston, Massachusetts, USA |
| 6 Jan | 61.4 | Michel Marc Hudrisier, O.F.M. Cap. † | Bishop of Port Victoria o Seychelles |
| 8 Jan | 70.5 | Francesco di Paolo Satolli † | Cardinal, Prefect of the Congregation for Studies |
| 24 Jan | 68.7 | Juan Maura y Gelabert † | Bishop of Orihuela, Spain |
| 31 Jan | 60.9 | Félix Soto y Mancera † | Bishop of Badajoz, Spain |
| 11 Feb | 63.5 | François Lesné, C.M. † | Apostolic Delegate to Persia |
| 22 Feb | 51.4 | George Michael Lenihan, O.S.B. † | Bishop of Auckland, New Zealand |
| 4 Mar | 81.1 | Luigi Domenico Cenci, T.C. † | Titular Bishop of Apollonia |
| 15 Mar | 60.6 | Antônio Manoel de Castilho Brandão † | Bishop of Alagôas, Brazil |
| 16 Mar | 75.3 | Domenico Riccardi † | Bishop of Sarsina, Italy |
| 18 Mar | 58.4 | François-Auguste Labeuche † | Bishop of Belley, France |
| 20 Mar | 67.6 | Ricardo Cortés y Cullell † | Auxiliary Bishop of Barcelona, Spain |
| 21 Mar | 68.6 | Maximiano Reynoso y del Corral † | Bishop Emeritus of Tulancingo, Hidalgo, México |
| 24 Mar | 75.1 | Simon Milinović, O.F.M. † | Archbishop of Bar (Antivari), Montenegro |
| 25 Mar | 67.6 | Andrew Boylan, C.SS.R. † | Bishop of Kilmore, Ireland |
| 25 Mar | 56.0 | Ambrosius Jacobus J. van Baars, O.P. † | Vicar Apostolic of Curaçao, Netherlands Antilles, Antilles |
| 26 Mar | 64.1 | Abbondio Cavadini, S.J. † | Bishop of Mangalore, India |
| 31 Mar | 63.3 | Ján Ivánkovits † | Bishop Emeritus of Rožňava, Slovakia |
| 6 Apr | 70.4 | Bernardino di Milia, O.F.M. Cap. † | Bishop of Larino, Italy |
| 7 Apr | 83.0 | John Cameron † | Bishop of Antigonish, Nova Scotia, Canada |
| 15 Apr | 73.6 | Remigio Guido Barbieri, O.S.B. † | Vicar Apostolic of Gibraltar |
| 15 Apr | 63.9 | Luis Pérez y Pérez, O.S.A. † | Vicar Apostolic of Northern Hunan {Hu-Nan Settentrionale}, China |
| 29 Apr | 90.9 | Guglielmo Giosafat Giuseppe Pifferi, O.S.A. † | Titular Bishop of Porphyreon |
| 6 May | 70.6 | Bartolomeo Ortolani † | Bishop of Ascoli Piceno, Italy |
| 27 May | 59.7 | Pierre-Xavier Mugabure, M.E.P. † | Archbishop of Tōkyō, Japan |
| 20 Jun | 66.4 | José Correia Cardoso Monteiro † | Bishop of Angra, Portugal |
| 3 Jul | 71.8 | Francesco Cherubin † | Bishop of Belluno e Feltre, Italy |
| 11 Jul | 68.8 | José Guadalupe de Jesús de Alba y Franco, O.F.M. † | Bishop of Zacatecas, México |
| 23 Jul | 63.8 | Domenico Fanucchi † | Bishop of Città della Pieve, Italy |
| 27 Jul | 83.2 | Denis (Alphonse) Steyaert, O.C.D. † | Titular Archbishop of Damascus |
| Aug | 72.9 | Rocco Anselmini † | Bishop of Nocera Umbra, Italy |
| 2 Aug | 68.9 | John Baptist Cahill † | Bishop of Portsmouth, England, Great Britain |
| 5 Aug | 62.3 | Edward Joseph Dunne † | Bishop of Dallas, Texas, USA |
| 6 Aug | 64.4 | Severo Araújo y Silva † | Auxiliary Bishop of Santiago de Compostela, Spain |
| 22 Aug | 58.2 | Joseph-Marie Lavest, M.E.P. † | Prefect of Kuamsi, China |
| 31 Aug | 62.7 | Carlo Marozio † | Bishop of Susa, Italy |
| 3 Sep | 75.7 | Lorenzo de Petris-Dolammare † | Bishop Emeritus of Sapë, Albania |
| 9 Sep | 63.0 | Konrad von Busch † | Bishop of Speyer, Germany |
| 23 Sep | 86.7 | Aquilino Ferreyra y Alvarez † | Auxiliary Bishop of Córdoba (Tucumán), Argentina |
| 28 Sep | 65.1 | Marcellino (del Carmelo) Benavente, O.P. † | Bishop of San Juan de Cuyo, Argentina |
| 29 Sep | 61.6 | Francesco Vento † | Bishop of Aversa, Italy |
| 3 Oct | 47.4 | Jaime de Anasagasti y Llamas † | Bishop of Campeche, México |
| 8 Oct | 47.6 | Leonard Stefan Deda, O.F.M. † | Bishop of Lezhë {Lesh, Alessio}, Albania |
| 11 Oct | 76.8 | Giuseppe Morticelli † | Bishop Emeritus of Penne e Atri, Italy |
| 22 Oct | 77.7 | Constant-Ludovic-Marie Guillois † | Bishop Emeritus of Le Puy-en-Velay, France |
| 28 Oct | 64.2 | Gyula Városy † | Archbishop of Kalocsa, Hungary |
| 28 Oct | 79.8 | Pierre Zoghbe † | Archbishop of Cipro (Maronite), Cyprus |
| 3 Nov | 94.0 | Simon Aichner † | Bishop Emeritus of Brixen {Bressanone}, Italy |
| 4 Nov | 80.1 | Ernesto Fontana † | Bishop of Crema, Italy |
| 5 Nov | 51.3 | Paul-Léon Ferrant, C.M. † | Vicar Apostolic of Northern Kiangsi {Kiam-Si Settentrionale}, China |
| 10 Nov | 76.6 | Paškal Buconjić, O.F.M. † | Bishop of Mostar-Duvno (-Trebinje e Mrkan), Bosnia and Herzegovina |
| 10 Nov | 91.2 | Pietro Podaliri † | Auxiliary Bishop of Recanati e Loreto, Italy |
| 12 Nov | 70.5 | Ferdinando Maria Cieri † | Bishop of Sant’Agata de’ Goti, Italy |
| 21 Nov | 80.9 | Clément Ghazarossian † | Bishop of Ancira (Angora) (Armenian), Turkey |
| 24 Nov | 70.3 | Alessandro Sanminiatelli Zabarella † | Cardinal, Titular Patriarch of Constantinople |
| 30 Nov | 53.9 | Hippolyte Louis Bazin, M. Afr. † | Vicar Apostolic of Sahara of French Sudan {Sahara nel Sudan Francese}, Mali |
| 2 Dec | 81.4 | Filippo Allegro † | Bishop of Albenga, Italy |
| 10 Dec | 74.5 | Edouard-Adolphe Cantel † | Bishop of Oran, Algeria |
| 12 Dec | 81.9 | Angelo Balzano † | Bishop Emeritus of Termoli, Italy |
| 14 Dec | 77.3 | Jacques-Hector Thomas † | Apostolic Delegate Emeritus to Persia |
| 15 Dec | 66.3 | Angelo Cattaneo, P.I.M.E. † | Vicar Apostolic of Southern Honan {Ho-Nan Meridionale}, China |
| 18 Dec | 43.7 | José Antonio Eguiguren y Escudero † | Bishop of Loja, Ecuador |
| 18 Dec | 73.2 | Filip Frane Nakić † | Bishop of Split-Makarska (Spalato-Macarska), Croatia |
| 25 Dec | 61.5 | Vilmos István † | Bishop of Szombathely, Hungary |
| 26 Dec | 78.1 | Fortunato Vinelli † | Bishop of Chiavari, Italy |