| Date | Age | Bishop | Title |
| unknown | | Ettore Algaria † | Bishop of Patti, Italy |
| unknown | | Juan de Argüelles, O.S.A. † | Bishop-Elect of Arequipa, Peru |
| unknown | | Domenico Antonio Gagliano † | Bishop of Lettere-Gragnano, Italy |
| unknown | | Pedro de Lencastre † | Bishop of Elvas, Portugal |
| unknown | | Leonardo Marsili † | Archbishop of Siena, Italy |
| unknown | 78.0 | Juan Queipo de Llano y Valdés † | Archbishop of La Plata o Charcas, Bolivia |
| unknown | | Stefan Wierzbowski † | Auxiliary Bishop of Warmia, Poland |
| 2 Feb | 69.1 | Francisco de San José, O.F.M. † | Bishop of Málaga, Spain |
| 21 Feb | | Charles-Antoine de la Garde de Chambonas † | Bishop of Viviers (Aps), France |
| 13 Mar | 80.0 | Pierre-Jean-François Percin de Montgaillard † | Bishop of Saint-Pons-de-Thomières, France |
| 17 Mar | 36.5 | Johann Leopold Freiherr von Gudenus † | Auxiliary Bishop of Worms, Germany |
| 24 Mar | 82.5 | Toussaint de Forbin-Janson † | Cardinal, Bishop of Beauvais, France |
| 5 Apr | 72.8 | Otto Wilhelm Reichsgraf von Bronckhorst zu Gronsfeld, S.J. † | Auxiliary Bishop of Osnabrück, Germany |
| 23 Jun | 52.8 | Matthäus Joseph Ignaz Vitzki † | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 2 Aug | 58.6 | Arthus de Lionne † | Vicar Apostolic of Se-Ciuen, China |
| 10 Aug | | Giovanni M. Visconti, B. † | Bishop of Novara, Italy |
| 26 Aug | | Charles-François de Laval de Montmorency † | Bishop of Ypres (Ieper), Belgium |
| 19 Sep | 82.8 | Louis Aube de Roquemartine † | Bishop of Saint-Paul-Trois-Châteaux, France |
| 23 Sep | | Victor-Augustin Méliand (Melrand) † | Bishop Emeritus of Alet, France |
| 6 Oct | 70.8 | Armand de Montmorin de Saint-Hérem † | Archbishop of Vienne, France |
| 14 Oct | 65.8 | Michele Carlo Visdomini Cortigiani † | Bishop of Pistoia-Prato, Italy |
| 31 Oct | 87.8 | James Lynch † | Archbishop of Tuam, Ireland |
| 10 Dec | | Juan Victores de Velasco, O.S.B. † | Bishop of Trujillo, Peru |