| Date | Age | Bishop | Title |
|---|
| unknown | 103.1 | Francisco de Paula Campo y Pérez † | Bishop of Comayagua, Honduras |
| 3 Jan | | William O'Higgins † | Bishop of Ardagh (and Clonmacnois), Ireland |
| 4 Jan | 72.1 | Francisco Javier Rodríguez Obregón † | Bishop of Badajoz, Spain |
| 20 Jan | 55.0 | Melchior Ferdinand Joseph von Diepenbrock † | Cardinal, Bishop of Wrocław, Poland |
| 3 Feb | 44.1 | Jean-Joseph-Jean-Baptiste Ferréol, M.E.P. † | Vicar Apostolic of Corea |
| 11 Feb | 69.3 | Carlos Laborda Clau † | Bishop of Palencia, Spain |
| 9 Mar | 82.6 | Domingo de Silos Santiago Apollinario Moreno, O.S.B. † | Bishop of Cádiz, Spain |
| 14 Mar | 75.8 | Vinzenz Eduard Milde † | Archbishop of Wien {Vienna}, Austria |
| 17 Mar | 76.2 | Diego de Aranda y Carpinteiro † | Bishop of Guadalajara, Jalisco, México |
| 31 Mar | 83.3 | Maximilian Joseph Gottfried Sommerau Beeckh † | Cardinal, Archbishop of Olomouc, Czech Republic |
| 4 Apr | 61.5 | Jan Kanty Dabrowski † | Auxiliary Bishop of Gniezno-Poznań, Poland |
| 17 Apr | 81.0 | José Jorge Torres Estans † | Bishop of Nueva Pamplona, Colombia |
| 22 Apr | 48.0 | Etienne-Raymond Albrand, M.E.P. † | Vicar Apostolic of Kuiceu, China |
| 27 Apr | 42.4 | Guillaume Douarre, S. M. † | Vicar Apostolic of Nouvelle-Calédonie, New Caledonia, Pacific (Oceania) |
| 10 May | 82.9 | Ferdinando Maria Pignatelli, C.R. † | Cardinal, Archbishop of Palermo, Italy |
| 7 Jun | 66.3 | Joseph Norbert Provencher † | Bishop of Saint-Boniface, Manitoba, Canada |
| 23 Jun | 56.1 | Giacomo Luigi Brignole † | Cardinal, Official of the Roman Curia - Other |
| 24 Jul | 52.3 | Guillaume-Clément Masson, M.E.P. † | Coadjutor Vicar Apostolic of Southern Tonking {Tonkino Meridionale}, Viêt Nam |
| 25 Jul | 52.3 | Jorge de Viteri y Ungo † | Bishop of León en Nicaragua |
| 5 Oct | 59.4 | Joseph Dittrich † | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 3 Nov | 66.3 | Costanzo-Michele Fea † | Bishop of Alba (Pompea), Italy |
| 2 Dec | 84.3 | Antonio Larrazábal † | Titular Bishop of Comana Armeniae |
| 9 Dec | 88.9 | Jean-François de Saunhac-Belcastel † | Bishop of Perpignan-Elne, France |
| 10 Dec | 53.9 | Manuel José Mosquera y Arboleda † | Archbishop of Santafé en Nueva Granada, Colombia |
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