| Date | Age | Bishop | Title |
| unknown | 89.0 | Jan Dembowski † | Auxiliary Bishop Emeritus of Włocławek (Kujawy, Kalisze), Poland |
| unknown | 80.5 | Luigi del Giudice, O.S.B. † | Archbishop of Chieti, Italy |
| unknown | 77.9 | Agostino Gorgoni † | Bishop of Castro di Puglia, Italy |
| unknown | 62.9 | 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 |
| 30 Jan | 68.6 | Anton Zlatarić † | Bishop of Beograd (-Smederevo), Serbia |
| 12 Feb | 58.3 | Franciscus Kornis de Goncz-Ruszka † | Auxiliary Bishop of Győr (Raab), Hungary |
| 2 Mar | 60.6 | Francisco López Sánchez † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 4 Mar | 73.7 | Lourenço de Lencastre † | Bishop of Leiria, Portugal |
| 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 |
| May | 81.1 | Nicolò Cicirelli † | Bishop of Gravina (di Puglia), Italy |
| 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 |
| 11 Jun | 61.3 | Josephus Korytkowski † | Auxiliary Bishop of Gniezno e Poznań, Poland |
| 14 Jun | 61.4 | Franz Melchior Joseph Zen-Ruffinen † | Bishop of Sion {Sitten}, Switzerland |
| 23 Jun | 74.6 | Johann Anton von Zehmen † | Bishop of Eichstätt, Germany |
| 4 Jul | 72.3 | Clemente Maria (Vincent) Bardini, O.S.B. † | Bishop of Acquapendente, Italy |
| 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 |
| 13 Aug | 74.8 | Andreas Aerts † | Vicar Apostolic of ’s Hertogenbosch (Bois-le-Duc), Netherlands |
| 17 Aug | 79.9 | Ignazio Maria Fraganeschi † | Bishop of Cremona, Italy |
| 30 Aug | 62.6 | Josef Winterl, S.J. † | Auxiliary Bishop of Győr (Raab), Hungary |
| 2 Sep | 89.6 | Johann Nikolaus (Febronius) von Hontheim † | Auxiliary Bishop of Trier, Germany |
| 3 Sep | 65.5 | Giuseppe Maria Luvini, O.F.M. Cap. † | Bishop of Pesaro, Italy |
| 30 Sep | 56.2 | Toussaint-François-Joseph Conen de Saint-Luc † | Bishop of Quimper, France |
| 6 Oct | 50.6 | Maciej Grzegorz Garnysz † | Bishop of Chełm, Poland |
| 9 Nov | 68.4 | Juan Manuel Antonio Ramos Lora, O.F.M. † | Bishop of Mérida, Venezuela |
| 15 Nov | 56.9 | Georgius Angelus Radovani † | Archbishop of Bar (Antivari), Montenegro |
| 26 Nov | 68.9 | José Tormo Juliá † | Bishop of Orihuela, Spain |
| Dec | 67.7 | Gioacchino Paglione † | Bishop of Trivento, Italy |
| 9 Dec | 73.9 | Tomasz Ignacy Zienkowicz † | Auxiliary Bishop Emeritus of Vilnius, Lithuania |
| 13 Dec | 68.4 | Pier Luigi Galletti, O.S.B. † | Titular Bishop of Cyrene |