| Date | Age | Bishop | Title |
|---|
| unknown | | Miguel Álvarez de Toledo † | Bishop of Santa Cruz de la Sierra, Bolivia |
| unknown | | Simplicio Caravita † | Archbishop of Amalfi, Italy |
| unknown | | Gaetano De Andrea, C.R. † | Bishop of Monopoli, Italy |
| unknown | | Francesco Girgenti † | Bishop of Patti, Italy |
| unknown | 77.0 | Carlo Labia, C.R. † | Bishop of Adria, Italy |
| unknown | | Carlo Loffredo, C.R. † | Archbishop of Capua, Italy |
| unknown | | Lucalberto Patrizi † | Bishop of Perugia, Italy |
| unknown | | Antonio Roberti † | Archbishop of Urbino, Italy |
| unknown | | Giorgio Soggia † | Archbishop of Sassari, Italy |
| 10 Jan | 62.9 | Johann Ignaz Dlouhovesky † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 13 Jan | | Gregorio Carducci † | Bishop of Valva, Italy |
| 10 Feb | 56.6 | Savo (Savio) Millini (Mellini) † | Cardinal, Bishop of Nepi e Sutri, Italy |
| 15 Feb | 72.1 | François de Clermont-Tonnerre † | Bishop of Noyon, France |
| 26 Feb | | Carlo Felice de Matta † | Bishop of San Severo, Italy |
| 20 May | 60.1 | Adrian von Riedmatten (Jr.) † | Bishop of Sion {Sitten}, Switzerland |
| 22 Jun | 84.5 | François de Batailler † | Bishop of Bethléem, France |
| 5 Jul | 65.1 | Pier Matteo Petrucci † | Cardinal, Bishop Emeritus of Jesi, Italy |
| 18 Sep | 65.6 | Gottfried Freiherr Kapaun von Swoykow † | Bishop of Hradec Králové, Czech Republic |
| 18 Sep | | Pierre Le Neboux de La Brousse † | Bishop of Saint-Pol-de-Léon, France |
| 23 Oct | | Pierre-François Beauvau de Rivau † | Bishop of Sarlat, France |
| 14 Nov | | Séraphin de Pajot de Plouy † | Bishop of Die, France |
| 27 Nov | | Maurizio Bertone, C.R.S. † | Bishop of Fossano, Italy |
| 3 Dec | 59.0 | Jaime de Palafox y Cardona † | Archbishop of Sevilla {Seville}, Spain |
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