| Date | Age | Bishop | Title |
| unknown | | Bernardino Avolio † | Bishop of Trivento, Italy |
| unknown | | Francesco Saverio Bassi, O.S.B. † | Archbishop of Chieti, Italy |
| unknown | | João António Binet Pincio † | Bishop of Lamego, Portugal |
| unknown | 64.4 | Lorenz Barlomiej Ignacy Antoni Raczynski, O. Cist. † | Auxiliary Bishop of Gniezno, Poland |
| 31 Jan | 71.8 | Antonio Maria Doria Pamphilj † | Cardinal, Archpriest of the Basilica di Santa Maria Maggiore {Saint Mary Major Basilica} |
| 17 Feb | 63.7 | Salvador de Sanmartin y Cuevas † | Bishop of Chiapas (Ciudad Real de Chiapas), Chiapas, México |
| 31 Mar | | Patrick Everard † | Archbishop of Cashel (-Emly), Ireland |
| 21 Apr | 68.3 | Silvestro Todaro, O.F.M. Conv. † | Bishop of Patti, Italy |
| 28 Apr | 74.8 | Blas Jacobo Beltrán † | Bishop of Coria, Spain |
| 2 May | 54.1 | José Ignacio de Arancibia y Hormaguei, O.F.M. † | Bishop of Linares o Nueva León, Nuevo León, México |
| 11 May | | Giovanni Battista Pio Vitale † | Bishop of Mondovi, Italy |
| 12 May | 73.6 | Rafael Múzquiz Aldunate † | Archbishop of Santiago de Compostela, Spain |
| 17 May | 77.7 | Francesco Maria d'Este † | Bishop of Reggio Emilia, Italy |
| 27 May | 65.8 | Gyorgy Kurbély † | Bishop of Veszprém, Hungary |
| 2 Jun | 83.3 | William Gibson † | Vicar Apostolic of Northern District, England, Great Britain |
| 21 Jun | 83.0 | César-Guillaume de la Luzerne † | Cardinal, Bishop Emeritus of Langres, France |
| 2 Jul | 74.5 | Michele Di Pietro † | Cardinal, Official of the Roman Curia - Other |
| 20 Jul | 54.9 | Maurice-Jean-Madeleine de Broglie † | Bishop of Gent {Ghent, Gand}, Belgium |
| 1 Aug | 55.6 | Francesco Saverio Dracopoli † | Bishop of Chios (Scio), Greece |
| 8 Aug | 64.1 | Jean-Joseph Audemar † | Coadjutor Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 12 Sep | 79.0 | José Joaquim da Cunha Azeredo Coutinho † | Bishop of Elvas, Portugal |
| 13 Sep | 74.5 | Francisco Javier Almonacid † | Bishop of Palencia, Spain |
| 16 Sep | 73.7 | Gerardo José Andrés Vázquez Parga, O. Cist. † | Bishop of Salamanca, Spain |
| 23 Sep | 79.9 | Nicola Laparelli † | Bishop of Cortona, Italy |
| 23 Sep | 65.0 | Manuel Ros Medrano † | Bishop of Tortosa, Spain |
| 29 Sep | 54.1 | Candido Maria Frattini † | Titular Archbishop of Philippi |
| 1 Oct | | Robert Walsh † | Bishop of Waterford and Lismore, Ireland |
| 6 Oct | 70.0 | Paolo Lamberto D'Allègre † | Bishop of Pavia, Italy |
| 20 Oct | 85.0 | Alexandre-Angélique Talleyrand de Périgord † | Cardinal, Archbishop of Paris, France |
| 30 Oct | 90.7 | Jean-Baptiste Boulier † | Bishop of Evreux, France |
| 8 Nov | 68.0 | Francisco Antonio La Dueña Cisneros † | Bishop of Segorbe, Spain |
| 4 Dec | 59.9 | Giovanni Antioco Azzei † | Archbishop of Oristano, Italy |
| 30 Dec | 78.8 | Józef Gabriel Gembart † | Auxiliary Bishop of Gniezno-Poznań, Poland |