| Date | Age | Bishop | Title |
| unknown | 73.2 | Ignatius de Bisogno † | Titular Bishop of Ascalon |
| 2 Jan | 63.6 | Bernardo-Maria Tirabassi † | Bishop of Ferentino, Italy |
| 6 Jan | 79.2 | Emerico Tóth † | Auxiliary Bishop of Esztergom, Hungary |
| 10 Jan | 76.1 | Josephus Melchiades Ferlisi † | Titular Patriarch of Constantinople |
| 11 Jan | 79.3 | Luigi Pini † | Bishop of Split-Makarska (Spalato-Macarska), Croatia |
| 17 Jan | 77.6 | Juan Gregorio Urbieta † | Bishop of Paraguay |
| 19 Jan | 77.9 | Giacomo Francesco Cometti † | Titular Archbishop of Nicomedia |
| 2 Feb | 64.9 | Giuseppe Maria Vespignani † | Bishop of Orvieto, Italy |
| 15 Feb | 62.5 | Nicholas Patrick Stephen (Nicolás Patricio Esteban) Wiseman † | Cardinal, Archbishop of Westminster, England, Great Britain |
| 17 Feb | 72.5 | Juan José de Aycinena y Piñol † | Auxiliary Bishop of Guatemala |
| 9 Mar | 66.3 | Mario Melini † | Bishop of Modigliana, Italy |
| 12 Mar | 75.4 | Leon Michal von Przyłuski † | Archbishop of Gniezno e Poznań, Poland |
| 14 Mar | 69.7 | Antonio Gava † | Bishop Emeritus of Belluno e Feltre, Italy |
| 21 Mar | 61.6 | Clemente (a S. Theresia) Manzini, O. Carm. † | Bishop of Cuneo, Italy |
| 22 Mar | 58.1 | Giuseppe-Maria Mucedola † | Bishop of Conversano, Italy |
| 23 Mar | 65.7 | Jerónimo Fernández y Andrés † | Bishop of Palencia, Spain |
| 25 Mar | 46.3 | Giuseppe Marzorati † | Bishop of Como, Italy |
| 31 Mar | 85.0 | Salvador José Reyes y García de Lara † | Archbishop of Granada, Spain |
| 11 Apr | | James Browne † | Bishop of Kilmore, Ireland |
| 26 Apr | 78.4 | Augustin Bartolomej Hille † | Bishop of Litoměřice, Czech Republic |
| 30 Apr | 54.7 | Dominique Lefèbvre, M.E.P. † | Vicar Apostolic Emeritus of Western Cochin {Cocincina Occidentale}, Viet Nam |
| 5 May | 60.4 | Jerónimo José de Mata, C.M. † | Bishop Emeritus of Macau, China |
| 18 May | 58.8 | Juan José Castañyer y Rivas † | Bishop of Vic, Spain |
| 3 Jun | | Joannes Salviani † | Bishop of Garin (Erzerum) (Armenian) |
| 4 Jun | 43.5 | Augustus Van Heule, S.J. † | Titular Archbishop of Amida |
| 25 Jul | 90.0 | Filippo Domenico Bordini † | Bishop of Hvar (Lesina), Croatia |
| 28 Jul | 82.5 | Antonio Michele Vaglio † | Bishop of Venosa, Italy |
| 15 Aug | 76.1 | Nicolas-Joseph Dehesselle † | Bishop of Namur {Namen}, Belgium |
| 13 Sep | 60.6 | Joseph-François-Clet Peschoud † | Bishop of Cahors, France |
| 23 Sep | 55.7 | Timothy Clement Smyth, O.C.S.O. † | Bishop of Dubuque, Iowa, USA |
| 19 Nov | 60.8 | José Affonso de Moraes Torres, C.M. † | Bishop Emeritus of Belém do Pará, Brazil |
| 21 Nov | 67.0 | Raffaele Carbonelli † | Titular Bishop of Bethsaida |
| 15 Dec | 69.2 | John Murdoch † | Vicar Apostolic of Western District, Scotland, Great Britain |
| 17 Dec | 100.3 | Luigi Ciacchi † | Cardinal, Priest of the Roman Curia - Other |
| 21 Dec | 66.2 | Antonio Rafael Domínguez y Valdecañas † | Bishop of Guadix, Spain |
| 26 Dec | 74.9 | William Wareing † | Bishop Emeritus of Northampton, England, Great Britain |