| Date | Age | Bishop | Title |
| unknown | 73.5 | Lourenço de Alencastre (Lancastro) † | Bishop of Leiria, Portugal |
| unknown | 71.8 | Clemente Maria Bardini † | Bishop of Acquapendente, Italy |
| unknown | 90.0 | Jan Dembowski † | Bishop of Foreign Diocese |
| unknown | 68.0 | Pier Luigi Galletti, O.S.B. † | Titular Bishop of Cyrene |
| unknown | | Giuseppe Maria Luvini, O.F.M. Cap. † | Bishop of Pesaro, Italy |
| unknown | | Giacinto Rolfi, O.S.A. † | Bishop of Iglesias, Italy |
| 26 Jan | 75.1 | Jean-Félix-Henri de Fumel † | Bishop of Lodève, France |
| 26 Jan | 63.6 | James Robert Talbot † | Vicar Apostolic of London District, England, Great Britain |
| 2 Mar | 60.6 | Francisco López Sánchez † | Bishop of Ayacucho o Huamanga, Peru |
| 17 Mar | 71.5 | José Escalzo Miguel, O.S.B. † | Bishop of Cádiz, Spain |
| 30 Mar | 26.3 | Eusebio Luciano Carvalho Gomes da Silva, C.M. † | Bishop-Elect of Nanking [Nanjing], China |
| 4 Apr | 58.3 | Jean-Baptiste-Charles-Marie de Beauvais † | Bishop Emeritus of Senez, France |
| 10 Apr | 84.7 | Antonio Maria Franci † | Bishop of Grosseto, Italy |
| 16 Apr | 64.2 | Mariano Zaralli, O.F.M. † | Vicar Apostolic of Shansi {Scian-Si} (Chan-Si), China |
| 17 May | 56.2 | Matthew Gibson † | Vicar Apostolic of Northern District, England, Great Britain |
| 4 Jun | 82.3 | Louis-Albert de Lezay-Marnesia † | Bishop Emeritus of Evreux, France |
| 14 Jun | 61.4 | Franz Melchior Joseph Zen-Ruffinen † | Bishop of Sion {Sitten}, Switzerland |
| 23 Jun | 74.6 | Johann Anton Freiherr von Zehmen † | Bishop of Eichstätt, Germany |
| 5 Jul | 67.7 | Rafael José Verger y Suau, O.F.M. † | Bishop of Linares o Nueva León, Nuevo León, México |
| 9 Aug | 47.6 | Ignazio-Gaetano Boncompagni-Ludovisi † | Cardinal, Secretary Emeritus of the Secretariat of State |
| 17 Aug | 79.9 | Ignazio Maria Fraganeschi † | Bishop of Cremona, Italy |
| 30 Aug | 62.6 | Josef Winterl, S.J. † | Auxiliary Bishop of Győr, Hungary |
| 2 Sep | 89.6 | Johann Nikolaus (Febronius) von Hontheim † | Auxiliary Bishop of Trier, Germany |
| 30 Sep | 56.2 | Toussaint-François-Joseph Conen de Saint-Luc † | Bishop of Quimper, France |
| 6 Oct | 50.8 | Maciej Grzegorz Garnysz † | Bishop of Chełm, Poland |
| 9 Nov | 68.4 | Juam Manuel Antonio Ramos Lora, O.F.M. † | Bishop of Mérida, Venezuela |
| 26 Nov | 68.9 | José Tormo Juliá † | Bishop of Orihuela, Spain |
| 9 Dec | 73.9 | Tomasz Ignacy Zienkowicz † | Auxiliary Bishop Emeritus of Vilnius, Lithuania |