| Date | Age | Bishop | Title |
| unknown | | Francesco Antonio Bussolini † | Bishop of Penne-Atri, Italy |
| 23 Jan | 49.3 | Francisco Zarceño Martínez, O.SS.T. † | Bishop of Solsona, Spain |
| 18 Feb | 81.0 | James Gordon † | Vicar Apostolic of Lowland District, Scotland, Great Britain |
| 22 Feb | 98.0 | Francisco Ignacio Añoa Busto † | Archbishop of Zaragoza, Spain |
| 10 Mar | 71.6 | Domenico Antonio Manfredi † | Bishop of Boiano, Italy |
| 13 Mar | 90.3 | Charles-Gaspard-Guillaume de Vintimille du Luc † | Archbishop of Paris, France |
| 24 Mar | 59.5 | Joseph Franz Valerian Felix Reichsgraf von Arco † | Bishop-Elect of Chiemsee, Germany |
| 29 Mar | 75.5 | Christophe-Louis Turpin de Crissé de Sanzay † | Bishop of Nantes, France |
| 5 Apr | 84.8 | Álvaro de Abranches e Noronha † | Bishop of Leiria, Portugal |
| 5 May | 78.3 | Edme Mongin † | Bishop of Bazas, France |
| 10 May | 64.3 | Charles-François Des Montiers de Mérinville † | Bishop of Chartres, France |
| 13 May | 74.2 | François-César Le Blanc † | Bishop of Avranches, France |
| 20 Jul | 48.2 | Jacques-Bonne Gigault de Bellefonds † | Archbishop of Paris, France |
| 26 Jul | 72.4 | Friedrich Karl Reichsgraf von Schönborn † | Bishop of Würzburg, Germany |
| 4 Sep | 64.8 | Andrés Cabrejas Molina † | Bishop of Jaén, Spain |
| 15 Sep | 38.7 | Jean-Louis du Lau d'Allemans † | Bishop of Digne, France |
| 2 Oct | 64.8 | Michał Remigiusz Łaszewski † | Auxiliary Bishop of Warmia, Poland |
| 17 Nov | 47.6 | José de Peralta Barrionuevo y Rocha Benavídez, O.P. † | Bishop of La Paz, Bolivia |
| 12 Dec | 60.9 | Athanasiy Sheptyskyi † | Archbishop of Foreign Archdiocese |
| 18 Dec | 72.2 | Agustín Rodríguez Delgado † | Archbishop of Lima, Peru |