| Date | Age | Bishop | Title |
|---|
| unknown | | Domenico Andrea Calvaccante (Cavalcante) † | Archbishop of Trani, Italy |
| unknown | | Matteu D'Angelis † | Bishop of Aleria, France |
| unknown | | José Luis de Lila y Moreno † | Bishop of Ayacucho o Huamanga, Peru |
| unknown | 55.6 | Tommaso Giannelli † | Bishop of Termoli, Italy |
| unknown | | Giacomo Leto † | Archbishop of Lanciano, Italy |
| Feb | 55.9 | Sebastiano Canepa † | Bishop of Nicopoli, Bulgaria |
| 2 Feb | 75.9 | Carlo della Torre Rezzonico † | Pope (Roma {Rome}, Italy) |
| 3 Feb | 54.8 | Diego Antonio Díez Madroñero † | Bishop of Caracas, Santiago de Venezuela |
| 18 Feb | 56.3 | Pierre de La Romagère de Ronssecy † | Bishop of Tarbes, France |
| 19 Feb | 77.6 | Bartolomé Rull, O.S. † | Bishop of Malta |
| 23 Feb | 67.3 | Francisco Galindo Sanz, O.M. † | Bishop of Orense, Spain |
| 28 Feb | 63.2 | Jean de Bonneguise † | Bishop of Arras, France |
| 13 Mar | 68.2 | John O’Brien † | Bishop of Ross, Ireland |
| 14 Apr | 61.3 | Johann Friedrich von Lasser † | Auxiliary Bishop of Mainz, Germany |
| 23 May | 79.1 | Christoph Nebel † | Auxiliary Bishop of Mainz, Germany |
| Jun | 53.7 | Erasmo Mastrilli † | Bishop of Isernia, Italy |
| 25 Jun | 76.4 | Carlo Francesco Durini † | Cardinal, Bishop of Pavia, Italy |
| 12 Jul | 74.1 | Juan Manuel Rodríguez Castañón † | Bishop of Tui, Spain |
| 21 Jul | 74.2 | Krzysztof Michal Dobinski † | Auxiliary Bishop of Gniezno, Poland |
| 25 Jul | 65.5 | William Maire † | Coadjutor Vicar Apostolic of Northern District, England, Great Britain |
| 10 Aug | 70.6 | Benito Marín, O.S.B. † | Bishop of Jaén, Spain |
| 26 Aug | 81.7 | Paul-Alexandre de Guénet † | Bishop of Saint-Pons-de-Thomières, France |
| 6 Sep | 57.9 | Ignazio Savastano † | Bishop of Gallipoli, Italy |
| 27 Sep | | Giovan Domenico Mansi, O.M.D. † | Archbishop of Lucca, Italy |
| 6 Oct | 83.8 | Andrés Mayoral Alonso de Mella † | Archbishop of Valencia, Spain |
| 10 Oct | 61.2 | Franz Karl Joseph Reichsgraf von Fugger-Glött † | Auxiliary Bishop Emeritus of Konstanz {Constance}, Germany |
| 17 Oct | 58.7 | José Cayetano Loazes Somoza † | Bishop of Palencia, Spain |
| 9 Nov | 73.4 | Ferdinando Mandarani † | Bishop of Oppido Mamertina, Italy |
| 15 Nov | 66.9 | Louis-Jacques d'Audibert de Lussan † | Archbishop of Bordeaux, France |
| 24 Nov | | Patrick Fitzsimon † | Archbishop of Dublin, Ireland |
| 2 Dec | 59.9 | Diego Salguero de Cabrera † | Bishop of Arequipa, Peru |
| 9 Dec | 48.5 | Aymard-Chrétien-François-Michel de Nicolay † | Bishop of Verdun, France |
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