| Date | Age | Bishop | Title |
| unknown | | Giuseppe Coppola † | Bishop of Castellammare di Stabia, Italy |
| unknown | | Gabriele Maria Di Blasi e Gambacorts, O.S.B. † | Archbishop of Messina, Italy |
| unknown | | Agostino Giannini † | Bishop of Lettere-Gragnano, Italy |
| unknown | 64.0 | Władysław Aleksander Łubieński † | Archbishop of Gniezno, Poland |
| unknown | | Cosimo Pierbenedetto Maculani † | Bishop of Terni, Italy |
| 4 Jan | 57.3 | Giuseppe Simonetti † | Cardinal, Titular Archbishop of Petra in Palaestina |
| 22 Jan | 64.9 | Pedro Albornoz Tapia † | Bishop of Orihuela, Spain |
| 27 Jan | 82.4 | Francisco Javier Sánchez Cabezón † | Bishop of Astorga, Spain |
| 29 Jan | 63.0 | Jean-Joseph de Fogasses d'Entrechaux de La Bastie † | Bishop of Saint-Malo, France |
| 31 Jan | 79.4 | Charles-Louis de Froullay de Tessé † | Bishop of Le Mans, France |
| 1 Feb | 82.9 | Sante Veronese † | Cardinal, Bishop of Padova {Padua}, Italy |
| 11 Feb | 73.1 | Jean-François Dondel † | Bishop of Dol, France |
| 22 Feb | 65.1 | Nicolas de Bouillé de Saint-Géran † | Bishop of Autun, France |
| 24 Feb | 66.1 | Manuel de Matos, O.F.M. † | Bishop of Nueva Caceres, Philippines |
| 11 Mar | 73.7 | Vito Moio † | Bishop of Muro Lucano, Italy |
| 24 Mar | 69.3 | Antonio Andrea Galli, C.R.SS.S. † | Cardinal, Cardinal-Priest of S. Pietro in Vincoli |
| 14 Apr | 76.1 | Giuseppe Saporiti † | Archbishop of Genova, Italy |
| 25 May | 51.7 | Niccolò Oddi † | Cardinal, Archbishop of Ravenna, Italy |
| 7 Jul | 82.1 | Gabriel-Florent de Choiseul-Beaupré † | Bishop of Mende, France |
| 9 Jul | 54.6 | Charles Antoine de Grady † | Auxiliary Bishop of Liège, Belgium |
| 20 Jul | 63.8 | Luis García Mañero † | Archbishop of Zaragoza, Spain |
| 26 Jul | 65.6 | Jean-Gaspard-Gilbert de Chabannas † | Bishop of Agen, France |
| 21 Aug | 73.6 | Alexander Smith † | Vicar Apostolic of Lowland District, Scotland, Great Britain |
| 25 Sep | 69.2 | Nicolò Maria Antonelli † | Cardinal, Cardinal-Priest of Ss. Nereo ed Achilleo |
| 15 Nov | 74.5 | Giuseppe Maria Feroni † | Cardinal, Cardinal-Priest of S. Cecilia |
| 22 Nov | 89.0 | José Botelho de Matos † | Archbishop Emeritus of São Salvador da Bahia, Brazil |
| 26 Nov | 86.5 | Augustin-Roch de Menou de Charnisai † | Bishop of La Rochelle, France |
| 7 Dec | 88.4 | Claude-Ignace-Joseph de Simiane de Gordes † | Bishop Emeritus of Saint-Paul-Trois-Châteaux, France |
| 11 Dec | 80.9 | Gaspar Miranda Argáiz † | Bishop of Pamplona, Spain |
| 14 Dec | 61.1 | Niccolò Serra † | Cardinal, Titular Archbishop of Mitylene |
| 29 Dec | 51.4 | Tommaso Taglialatela † | Bishop of Sora, Italy |