| Date | Age | Bishop | Title |
| unknown | 72.3 | Rocco Anselmini † | Bishop of Nocera Umbra, Italy |
| unknown | 75.7 | Paskal Buconjic, O.F.M. † | Bishop of Mostar-Duvno (-Trebinje e Mrkan), Bosnia and Herzegovina |
| unknown | 69.6 | Ferdinando Maria Cieri † | Bishop of Sant’Agata de’ Goti, Italy |
| unknown | 32.0 | Charles Guérin † | Prefect of Ghardaïa, Algeria |
| unknown | 51.3 | George Michael Lenihan, O.S.B. † | Bishop of Auckland, New Zealand |
| unknown | | Carlo Marozio † | Bishop of Susa, Italy |
| unknown | 74.9 | Simon Milinovic, O.F.M. † | Archbishop of Bar (Antivari), Montenegro |
| unknown | 76.0 | Giuseppe Morticelli † | Bishop Emeritus of Penne-Atri, Italy |
| unknown | 90.6 | Guglielmo Pifferi, O.S.A. † | Titular Bishop of Porphyreon |
| unknown | 56.8 | Giovanni Sahhar † | Bishop of Aqra {Akra} (Chaldean), Iraq |
| unknown | 55.7 | Ambrosius Jacobus J. van Baars, O.P. † | Vicar Apostolic of Curaçao, Netherlands Antilles, Antilles |
| unknown | 61.0 | Francesco Vento † | Bishop of Aversa, Italy |
| 6 Jan | 67.7 | John Brady † | Auxiliary Bishop of Boston, Massachusetts, USA |
| 6 Jan | 61.4 | Marc Hudrisier, C.S.Sp. † | Bishop of Port Victoria o Seychelles |
| 8 Jan | 70.5 | Francesco 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 † | Apostolic Delegate to Iran |
| 15 Mar | 60.6 | Antônio Manoel de Castilho Brandão † | Bishop of Alagôas, Brazil |
| 18 Mar | 58.4 | François-Auguste Labeuche † | Bishop of Belley, France |
| 19 Mar | 68.6 | Maximiano Reynoso y del Corral † | Bishop Emeritus of Tulancingo, Hidalgo, México |
| 20 Mar | 67.6 | Ricardo Cortés y Cullel † | Auxiliary Bishop of Barcelona, Spain |
| 26 Mar | 64.1 | Abbondio Cavadini, S.J. † | Bishop of Mangalore, India |
| 31 Mar | 63.3 | Ján Ivankovic † | Bishop Emeritus of Rožňava, Slovakia |
| 6 Apr | 84.1 | John Cameron † | Bishop of Antigonish, Nova Scotia, Canada |
| 15 Apr | 73.6 | Remigio Guido Barbieri, O.S.B. † | Vicar Apostolic of Gibraltar, Gibraltar |
| 15 Apr | 63.9 | Luis Pérez y Pérez † | Vicar Apostolic of Northern Hunan {Hu-Nan Settentrionale}, China |
| 27 May | 59.7 | Pierre-Xavier Mugabure, M.E.P. † | Archbishop of Tokyo, Japan |
| 20 Jun | 66.3 | José Correia Cardoso Monteiro † | Bishop of Angra, Portugal |
| 11 Jul | 68.8 | José Guadalupe de Jesús de Alba y Franco, O.F.M. † | Bishop of Zacatecas, Zacatecas, México |
| 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 |
| 23 Aug | 58.2 | Joseph-Marie Lavest, M.E.P. † | Prefect of Kuamsi, China |
| 9 Sep | 63.0 | Konrad von Busch † | Bishop of Speyer, Germany |
| 28 Sep | 65.1 | Marcellino (del Carmelo) Benavente, O.P. † | Bishop of San Juan de Cuyo, Argentina |
| 28 Sep | 86.7 | Aquilino Ferreyra y Alvarez † | Auxiliary Bishop of Córdoba (Tucumán), Argentina |
| 3 Oct | 47.4 | Jaime de Anasagasti y Llamas † | Bishop of Campeche, Campeche, México |
| 22 Oct | 77.7 | Constant-Ludovic-Marie Guillois † | Bishop Emeritus of Le Puy-en-Velay, France |
| 1 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 |
| 24 Nov | 70.3 | Alessandro Sanminiatelli Zabarella † | Cardinal, Patriarch of Constantinople, Turkey |
| 30 Nov | 53.5 | Hippolyte Louis Bazin, M. Afr. † | Vicar Apostolic of Sahara of French Sudan {Sahara nel Sudan Francese}, Mali |
| 10 Dec | 74.5 | Edouard-Adolphe Cantel † | Bishop of Oran, Algeria |
| 14 Dec | 77.3 | Jacques-Hector Thomas † | Apostolic Delegate Emeritus to Iran |
| 24 Dec | 61.5 | Guglielmo Istvan † | Bishop of Szombathely, Hungary |
| 26 Dec | 73.2 | Filippo Francesco Nakic † | Bishop of Split-Makarska (Spalato-Macarska), Croatia |
| 26 Dec | 77.0 | Fortunato Vinelli † | Bishop of Chiavari, Italy |