| Date | Age | Bishop | Title |
| unknown | 88.1 | Antonio Briganti † | Bishop Emeritus of Orvieto, Italy |
| unknown | 71.9 | Gaetano d'Alessandro † | Bishop of Cefalù, Italy |
| unknown | 68.7 | Theodore Dalhoff, S.J. † | Archbishop of Bombay, India |
| unknown | 80.5 | Palmerio Garau † | Bishop of Ales e Terralba, Italy |
| unknown | 85.8 | Eliseo Giordano, O. Carm. † | Bishop of Alghero, Italy |
| unknown | 43.9 | Cristoforo Maiello † | Bishop of Gravina-Irsina, Italy |
| unknown | 74.2 | Sante Mei † | Bishop of Modigliana, Italy |
| unknown | 68.8 | Roberto Papiri (Pageri) † | Archbishop of Fermo, Italy |
| unknown | 60.2 | Eutizio Parsi † | Bishop of Bagnoregio (Bagnorea), Italy |
| unknown | 87.0 | Tobia Patroni † | Bishop of Valva e Sulmona, Italy |
| unknown | 80.7 | Angelo Rossi † | Bishop of Tarquinia e Civitaveccia, Italy |
| unknown | 52.5 | Tommaso de Stefano (Stefani) † | Archbishop of Trani e Barletta (e Nazareth e Bisceglie), Italy |
| unknown | 66.0 | Vincenzo Giuseppe Veneri † | Bishop of Amelia, Italy |
| 8 Jan | 88.2 | Tomás Sivilla y Gener † | Bishop of Gerona, Spain |
| 20 Jan | 71.0 | Bl. Marcelo Spínola y Maestre † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 25 Jan | 78.5 | Pierre-Lambert Goosens † | Cardinal, Archbishop of Mechelen, Belgium |
| 10 Feb | 78.0 | Adolphe-Louis-Albert Perraud † | Cardinal, Bishop of Autun (-Châlon-sur-Saône-Mâcon), France |
| 15 Feb | 78.2 | Achille Manara † | Cardinal, Archbishop of Ancona e Numana, Italy |
| 5 Mar | 56.9 | Mattia Vicario † | Bishop of Novara, Italy |
| 9 Mar | 62.8 | Cornelius O’Brien † | Archbishop of Halifax, Nova Scotia, Canada |
| 12 Mar | 72.6 | Augustin Egger † | Bishop of Sankt Gallen, Switzerland |
| 13 Mar | 78.7 | Francisco Gómez-Salazar y Lucio-Villegas † | Bishop Emeritus of León, Spain |
| 21 Mar | 62.4 | Marie-Joseph Ollivier † | Bishop of Ajaccio, France |
| 2 Apr | 63.0 | José Terrés, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 5 Apr | 66.8 | Wilhelmus Antonius Ferdinand Wulfingh, C.SS.R. † | Vicar Apostolic of Dutch Guyana-Suriname, Suriname, Antilles |
| 7 Apr | 51.6 | Nicolás Casas y Conde, O.S.A. † | Vicar Apostolic of Casanare, Colombia |
| 14 Apr | 64.4 | Giuseppe Callegari † | Cardinal, Bishop of Padova {Padua}, Italy |
| 21 Apr | 64.5 | Guillaume-Marie-Joseph Labouré † | Cardinal, Archbishop of Rennes (, Dol, e Saint-Malo), France |
| 30 Apr | 72.8 | Miguel de los Santos Taborga † | Archbishop of La Plata o Charcas, Bolivia |
| 11 May | 72.1 | Pierre-Marie-Frédéric Fallières † | Bishop of Saint-Brieuc (-Tréguier), France |
| 14 May | 72.6 | Leonhard Haas † | Bishop of Basel e Lugano, Switzerland |
| 24 May | 71.4 | Stefano Gerbino di Cannitello, O.S.B. † | Bishop Emeritus of Trapani, Italy |
| 11 Jun | 41.8 | John Bernard Delany † | Bishop of Manchester, New Hampshire, USA |
| 16 Jun | 71.0 | Johannes Trepnau † | Auxiliary Bishop of Chelmno (Culma), Poland |
| 27 Jun | 77.3 | Pierre-Marie Osouf, M.E.P. † | Archbishop of Tokyo, Japan |
| 4 Jul | 68.7 | Giuseppe Candido † | Bishop of Ischia, Italy |
| 12 Jul | 72.4 | Jean-Marie-François Lamouroux † | Bishop of Saint-Flour, France |
| 17 Jul | 55.6 | Adalbert Endert † | Bishop of Fulda, Germany |
| 20 Jul | 62.1 | Juan Comes y Vidal † | Bishop Emeritus of Teruel (-Albarracín), Spain |
| 26 Jul | 79.8 | Pedro Casas y Souto † | Bishop of Plasencia, Spain |
| 4 Aug | 48.3 | José de Camargo Barros † | Bishop of São Paulo, Brazil |
| 7 Aug | 75.8 | Santos Zárate y Martínez † | Bishop of Almería, Spain |
| 15 Aug | 75.6 | Francesco Trotta † | Bishop Emeritus of Teramo, Italy |
| 16 Aug | 88.1 | Ignatius von Senestréy † | Bishop of Regensburg, Germany |
| 18 Aug | 55.3 | Raffaele Rossi † | Archbishop of Acerenza-Matera, Italy |
| 19 Aug | 58.4 | St. Ezequiel Moreno y Díaz, O.A.R. † | Bishop of Pasto, Colombia |
| 20 Aug | 73.6 | Fernando Antonio Arturo de Merino y Ramírez † | Archbishop of Santo Domingo, Dominican Republic |
| 30 Aug | 64.2 | Guillermo Juan Carter Gallo † | Vicar Apostolic of Tarapacá, Chile |
| Sep | 64.3 | Pio Vidi, O.F.M. † | Vicar Apostolic Emeritus of Scen-Si (Chen-si), China |
| 9 Sep | 73.5 | Jean-Amand Lamaze, S. M. † | Vicar Apostolic of Central Oceania, Tonga |
| 16 Sep | 65.5 | Augustin-Victor Deramecourt † | Bishop of Soissons (-Laon), France |
| 28 Sep | 67.1 | Emile-Paul-Angel-Constant Le Camus † | Bishop of La Rochelle (-Saintes), France |
| 19 Oct | 55.2 | Jules Bruguière (Brughiero), C.M. † | Vicar Apostolic of Southwestern Chi-Li {Ce-Li Meridio-Occidentale}, China |
| 30 Oct | 79.9 | Giuseppe Paderi † | Bishop of Ogliastra, Italy |
| 2 Nov | 76.1 | Gaudêncio José Pereira † | Bishop of Portalegre, Portugal |
| 24 Nov | 65.1 | Florian Oksza von Stablewski † | Archbishop of Gniezno-Poznań, Poland |
| 1 Dec | 75.5 | José Ramón Astorga Salinas † | Auxiliary Bishop of Santiago de Chile |
| 10 Dec | 70.1 | José Homobono Anaya y Gutiérrez † | Bishop of Chilapa, Guerrero, México |
| 22 Dec | 72.0 | Henry Cosgrove † | Bishop of Davenport, Iowa, USA |
| 23 Dec | 60.8 | Salvador Castellote y Pinazo † | Archbishop of Sevilla {Seville}, Spain |
| 29 Dec | 66.0 | Felice Cavagnis † | Cardinal, Pro-Secretary of the Roman Curia - Other |
| 29 Dec | 70.5 | Luigi Tripepi † | Cardinal, Pro-Prefect of the Congregation of Rites |