| Date | Age | Bishop | Title |
|---|
| unknown | 78.4 | Giovanni Carlo Antonelli † | Auxiliary Bishop of Ostia (-Velletri), Italy |
| unknown | 72.0 | Philippe d’Huberland, S.J. † | Prefect Emeritus of French Guiana-Cayenne, Antilles |
| Jan | 53.3 | Erasmo Mastrilli, O.S.B. † | Bishop of Isernia, Italy |
| 11 Jan | 70.8 | Franjo Thauszy † | Bishop of Zagreb (Agram), Croatia |
| 25 Jan | 81.5 | Francesco Trevisan Suarez † | Bishop of Caorle, Italy |
| Feb | 55.8 | Sebastiano Canepa † | Bishop of Nicopoli, Bulgaria |
| 2 Feb | 75.9 | Carlo della Torre Rezzonico † | Pope (Roma {Rome}, Italy) |
| 3 Feb | 70.2 | Domenico Andrea Cavalcanti, C.R. † | Archbishop of Trani, Italy |
| 3 Feb | 54.7 | Diego Antonio Díez Madroñero † | Bishop of Caracas, Santiago de Venezuela |
| 5 Feb | 57.5 | Giacomo Lieto † | Archbishop of Lanciano, Italy |
| 12 Feb | 61.4 | Francesco Piazza † | Bishop of Forli, Italy |
| 18 Feb | 56.2 | Pierre de La Romagère de Ronssecy † | Bishop of Tarbes, France |
| 19 Feb | 74.7 | François Joseph Antoine de los Reyes † | Bishop of Oria, Italy |
| 19 Feb | 77.5 | Bartolomé Rull, O.S.Io.Hieros. † | Bishop of Malta |
| 23 Feb | 67.3 | Francisco Galindo Sanz, O.M. † | Bishop of Orense, Spain |
| 28 Feb | 62.0 | Jean de Bonneguise † | Bishop of Arras, France |
| 13 Mar | 68.1 | John O’Brien † | Bishop of Cloyne and Ross, Ireland |
| 22 Mar | 66.4 | Michal Witosławski † | Auxiliary Bishop of Przemyśl, Poland |
| 14 Apr | 61.2 | Johann Friedrich von Lasser † | Auxiliary Bishop of Mainz, Germany |
| 10 May | 70.0 | Jurij (Jerzy) Bułhak † | Bishop of Pińsk-Turaŭ (Ukrainian), Belarus |
| 23 May | 79.0 | Christoph Nebel † | Auxiliary Bishop of Mainz, Germany |
| 28 May | 70.7 | Jean Antoine de Robiano † | Bishop of Roermond, Netherlands |
| 6 Jun | 63.9 | Fridericus von Pfutschner † | Auxiliary Bishop of Győr (Raab), Hungary |
| 25 Jun | 76.4 | Carlo Francesco Durini † | Cardinal, Bishop of Pavia, Italy |
| 27 Jun | 73.8 | Domenico de Amato † | Bishop of Castro di Puglia, Italy |
| 12 Jul | 74.1 | Juan Manuel Rodríguez Castañón † | Bishop of Tuy, Spain |
| 19 Jul | 78.0 | Vincenzo Maria de Francisco e Galletti, O.P. † | Bishop of Lipari, Italy |
| 21 Jul | 74.1 | Krzysztof Michal Dobiński † | Auxiliary Bishop of Gniezno, Poland |
| 25 Jul | 65.5 | William Maire † | Coadjutor Vicar Apostolic of Northern District, England, Great Britain |
| 10 Aug | 70.5 | Benito Marín, O.S.B. † | Bishop of Jaén, Spain |
| 3 Sep | 80.6 | Paul-Alexandre de Guénet † | Bishop of Saint-Pons-de-Thomières, France |
| 6 Sep | 57.8 | Ignazio Savastano † | Bishop of Gallipoli, Italy |
| 27 Sep | 77.6 | Giovanni Domenico Mansi, Sch. P. † | Archbishop of Lucca, Italy |
| 2 Oct | 74.7 | Patrick Fitzsimons † | Archbishop of Dublin, Ireland |
| 4 Oct | 65.7 | Giusto de Marco, C.R. † | Titular Archbishop of Nazareth |
| 6 Oct | 83.8 | Andrés Mayoral Alonso de Mella † | Archbishop of Valencia, Spain |
| 10 Oct | 61.2 | Franz Karl Joseph von Fugger-Glött † | Auxiliary Bishop Emeritus of Konstanz {Constance}, Germany |
| 17 Oct | 58.7 | José Cayetano Loazes y Somoza † | Bishop of Palencia, Spain |
| 9 Nov | 73.4 | Ferdinando Mandarini † | Bishop of Oppido Mamertina, Italy |
| 15 Nov | 66.5 | Louis-Jacques d’Audibert de Lussan † | Archbishop of Bordeaux, France |
| Dec | 82.7 | Matteu D’Angelis † | Bishop of Aleria, France |
| 2 Dec | 59.9 | Diego Salguero de Cabrera † | Bishop of Arequipa, Peru |
| 2 Dec | 79.1 | Joseph Schirò, O.S.B.M. † | Archbishop of Durrës (Durazzo) (Albanian), Albania |
| 9 Dec | 48.4 | Aymard-Chrétien-François-Michel de Nicolay † | Bishop of Verdun, France |
| 23 Dec | 58.0 | Andrew Campbell † | Bishop of Kilmore, Ireland |
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