| Date | Age | Bishop | Title |
|---|
| unknown | | Joseph Adjemian † | Bishop |
| unknown | | Melkon Markar Tahmanian † | Bishop of Mardin (Armenian), Turkey |
| Jan | 69.3 | Giovanni Antonio Borro † | Bishop of Bosa, Italy |
| Jan | 63.3 | Hieronim Wieloglowski † | Auxiliary Bishop of Przemyśl, Poland |
| 4 Jan | 57.2 | Giuseppe Simonetti † | Cardinal, Cardinal-Priest of San Marcello |
| 22 Jan | 64.9 | Pedro Albornoz Tapia † | Bishop of Orihuela, Spain |
| 27 Jan | 82.3 | 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 | 79.3 | Charles-Louis de Froullay de Tessé † | Bishop of Le Mans, France |
| Feb | 81.6 | Agostino Giannini † | Bishop of Lettere (-Gragnano), Italy |
| 1 Feb | 54.8 | Gabriele Maria (Giuseppe Pietro) di Blasi e Gambacorta, O.S.B. † | Archbishop of Messina, Italy |
| 1 Feb | 82.5 | 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 | 65.1 | Manuel de Matos, O.F.M. Disc. † | Bishop of Nueva Caceres, Philippines |
| 11 Mar | 73.7 | Vito Moio (Mojo) † | Bishop of Muro Lucano, Italy |
| 24 Mar | 69.3 | Antonio Andrea Galli, C.R.SS.S. † | Cardinal, Cardinal-Priest of San Pietro in Vincoli |
| 14 Apr | 76.1 | Giuseppe Saporiti † | Archbishop of Genova, Italy |
| 21 Apr | 68.4 | Sándor Fonyó † | Priest |
| 25 May | 51.6 | Niccolò Oddi, S.J. † | Cardinal, Archbishop of Ravenna, Italy |
| 26 May | 51.6 | Gennaro Maria Albertini, C.R. † | Bishop of Caserta, Italy |
| 8 Jun | 78.5 | Andreas Venditti (Vinditti) † | Bishop of Polignano (Polinianum), Italy |
| 17 Jun | 66.5 | Marcin Załuski † | Auxiliary Bishop Emeritus of Płock, Poland |
| 20 Jun | 63.6 | Władysław Aleksander Łubieński † | Archbishop of Gniezno, Poland |
| 1 Jul | 72.2 | Giuseppe Gallarati † | Bishop Emeritus of Lodi, Italy |
| 7 Jul | 82.0 | 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 | 65.5 | Jean-Gaspard-Gilbert de Chabannas † | Bishop of Agen, France |
| 8 Aug | 68.9 | Giuseppe Coppola, C.O. † | Bishop of Castellammare di Stabia, Italy |
| 9 Aug | 75.4 | Bernardino Ciani, O.E.S.A. † | Bishop of Montalcino, Italy |
| 21 Aug | 83.6 | Alexander Smith † | Vicar Apostolic of Lowland District, Scotland, Great Britain |
| 30 Aug | 76.7 | Giovanni Antonio Bacchetoni † | Bishop of Recanati e Loreto, Italy |
| 25 Sep | 69.2 | Nicolò Maria Antonelli † | Cardinal, Cardinal-Priest of Santi Nereo ed Achilleo |
| 6 Oct | 64.9 | Cosimo Pierbenedetto Maculani, C.O. † | Bishop of Terni, Italy |
| Nov | 55.5 | Agnellus Broya † | Bishop of Teano, Italy |
| 5 Nov | 70.8 | Mihály Emánuel Olsavszky, O.S.B.M. † | Vicar Apostolic of Mukachevo (Munkács) (Ruthenian), Ukraine |
| 15 Nov | 74.5 | Giuseppe Maria Feroni † | Cardinal, Cardinal-Priest of Santa 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 |
| 8 Dec | 72.3 | Ignazio Reali † | Titular Archbishop of Athenae |
| 11 Dec | 80.8 | Gaspar Miranda Argáiz † | Bishop of Pamplona, Spain |
| 14 Dec | 61.0 | Niccolò Serra † | Cardinal, Titular Archbishop of Mitylene |
| 28 Dec | 57.5 | Benedetto Latilla, C.R.L. † | Bishop Emeritus of Avellino e Frigento, Italy |
| 29 Dec | 51.3 | Tommaso Taglialatela † | Bishop of Sora, Italy |
| 30 Dec | 72.2 | Francesco Vivani † | Bishop of Camerino, Italy |
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