| Date | Age | Bishop | Title |
| unknown | 63.0 | Francesco Saverio Basile † | Archbishop of Reggio Calabria, Italy |
| unknown | 66.0 | Lodovico (dei Conti) Besi † | Titular Bishop of Canopus |
| unknown | | Alfonso Maria Cappelta † | Bishop of Gravina-Irsina, Italy |
| unknown | | Carlos De Vera, O.S.B. † | Abbot of Montecassino, Italy |
| unknown | 85.9 | Vincenzo Andrea Grande † | Archbishop of Otranto, Italy |
| unknown | | Nicholas Power † | Coadjutor Bishop of Killaloe, Ireland |
| unknown | 76.0 | Józef Maksymilian Staniewski † | Auxiliary Bishop of Mohilev, Belarus |
| 21 Jan | 76.2 | Jean-Marie Doney † | Bishop of Montauban, France |
| 29 Jan | 49.1 | Thomas Grimley † | Vicar Apostolic of Cape of Good Hope, Western District {Capo di Buona Speranza, Distretto Occidentale}, South Africa |
| 5 Mar | 65.0 | José La Cuesta Maroto † | Bishop of Orense, Spain |
| 6 Mar | 74.0 | Jean-Baptiste Boucho, M.E.P. † | Vicar Apostolic of Malacca-Singapore |
| 12 Mar | 54.5 | Pierre-Julien Pichon, M.E.P. † | Vicar Apostolic of Southern Szechwan {Se-Ciuen Meridionale}, China |
| 23 Mar | 69.9 | Franciszek Stefanowicz † | Auxiliary Bishop of Gniezno-Poznań, Poland |
| 25 Mar | 83.7 | Leopold Graf Sedlnitzky Choltiz von Odrownocz † | Bishop Emeritus of Wrocław, Poland |
| 4 Apr | 56.9 | Konrad Reither † | Bishop of Speyer, Germany |
| 5 Apr | 63.0 | Pavol Vagyon † | Bishop of the unknown of Titular See |
| 24 May | 58.4 | Georges Darboy † | Archbishop of Paris, France |
| 6 Jun | 70.7 | Louis-Auguste Delalle † | Bishop of Rodez, France |
| 7 Jun | 66.7 | Ignacio Mateo Guerra y Alba † | Bishop of Zacatecas, Zacatecas, México |
| 21 Jun | 47.0 | Louis-Simon Faurie, M.E.P. † | Vicar Apostolic of Kuiceu, China |
| 29 Jun | 51.8 | John Henry Luers † | Bishop of Fort Wayne, Indiana, USA |
| 10 Jul | 60.6 | Armand-René Maupoint † | Bishop of Saint-Denis-de-La Réunion |
| 26 Jul | 70.9 | François-Augustin Delamare † | Archbishop of Auch, France |
| 26 Jul | 69.2 | Nicolas-Marie Sergent † | Bishop of Quimper [Cornouailles](-Léon), France |
| 28 Jul | 61.8 | Modeste Demers † | Bishop of Vancouver Island, USA |
| 21 Aug | 70.6 | Giuseppe Jannuzzi † | Bishop of Lucera, Italy |
| 23 Sep | 71.4 | Anselmo Llorente y La Fuente † | Bishop of San José de Costa Rica |
| 29 Nov | 73.8 | Pablo Benigno (Vicente) Carrion de Málaga, O.F.M. Cap. † | Bishop of Puerto Rico (Porto Rico) |
| 3 Dec | 83.5 | John Brady † | Bishop of Perth, Australia |
| 21 Dec | 70.0 | Jean-Baptiste-François Pompallier, S. M. † | Bishop Emeritus of Auckland, New Zealand |
| 30 Dec | 80.9 | Frederick John Conrad Résé (Reze) † | Bishop of Detroit, Michigan, USA |