| Date | Age | Bishop | Title |
|---|
| unknown | | Jean-Louis du Buisson de Beauteville † | Bishop of Alès (Alais), France |
| unknown | | Francesco Antonio Rocco † | Bishop of Capri, Italy |
| unknown | | Giuseppe Sparano † | Archbishop of Acerenza e Matera, Italy |
| 20 Jan | 62.6 | Francisco Garrido de la Vega † | Bishop of Córdoba, Spain |
| Feb | 89.2 | Tomás del Valle, O.P. † | Bishop of Cádiz, Spain |
| 21 Mar | 63.1 | Francisco de Solís Folch de Cardona † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| Apr | | Patrick Robert Kirwan † | Bishop of Achonry, Ireland |
| 5 May | 59.4 | Johann Andreas Kaiser † | Bishop of Hradec Králové, Czech Republic |
| 7 May | 67.7 | Luis Fernando de Hoyos y Mier † | Bishop of Michoacán, Michoacán, México |
| 8 May | 56.9 | José Laplana Castellón † | Bishop of Tarazona, Spain |
| 13 Jun | 69.8 | Cristoforo Sizzo de Noris † | Bishop of Trento, Italy |
| 22 Jul | 64.6 | Charles-Gilbert de May de Termont † | Bishop of Blois, France |
| 17 Aug | 34.9 | Franz Karl Maria Cajetan Reichsgraf von Firmian † | Auxiliary Bishop of Passau, Germany |
| 18 Aug | 78.8 | Johannes Christoph Ludwig Reichsgraf von Kuenburg † | Auxiliary Bishop of Passau, Germany |
| 4 Sep | 41.6 | Joseph Paul Sedeler † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 25 Sep | 67.7 | Thomas Burke (de Burgo), O.P. † | Bishop of Ossory, Ireland |
| 17 Oct | 71.0 | Johann Wenzel Xaver Freiherr Frey von Freyenfels † | Auxiliary Bishop of Olomouc, Czech Republic |
| 20 Oct | 71.8 | Manuel Antonio de la Torre † | Bishop of Buenos Aires, Argentina |
| 31 Oct | 62.6 | Maximilian Reichsgraf von Hamilton † | Bishop of Olomouc, Czech Republic |
| 1 Nov | 53.4 | Francisco de Saldanha da Gama † | Cardinal, Patriarch of Lisboa, Portugal |
| 17 Nov | 56.2 | Francisco de los Ríos y Armengol, O.P. † | Bishop of Panamá |
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