| Date | Age | Bishop | Title |
| unknown | | Franciszek Kanigowski † | Titular Bishop of Torone |
| unknown | 61.0 | Józef Pawlowski † | Auxiliary Bishop of Poznań, Poland |
| unknown | | Andrzej Pruski † | Titular Bishop of Tanis |
| unknown | | Cyril VI Tanas † | Patriarch of Antiochia {Antioch} (Melkite), Syria |
| unknown | 75.1 | Miguel de Távora, O.S.A. † | Archbishop of Évora, Portugal |
| 5 Jan | 79.1 | Thomas Philip Wallrad d'Alsace-Boussut de Chimay † | Cardinal, Archbishop of Mechelen, Belgium |
| 7 Jan | 60.0 | Antoine-René de La Roche de Fontenille † | Bishop of Meaux, France |
| 15 Jan | 84.3 | Giovanni Antonio Guadagni, O.C.D. † | Cardinal, Bishop of Porto e Santa Rufina, Italy |
| 21 Jan | 62.8 | Johann Rudolf Graf von Sporck † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 22 Jan | 48.9 | Joseph-François de Cadenet de Charleval † | Bishop of Agde, France |
| 31 Jan | 50.2 | Giorgio Doria † | Cardinal, Titular Archbishop of Chalcedon |
| 2 Mar | 59.8 | Adam Ignacy Komorowski † | Archbishop of Gniezno, Poland |
| 10 Mar | 68.5 | Nicolas-Charles de Saulx-Tavannes † | Cardinal, Archbishop of Rouen, France |
| 16 Apr | 57.2 | Louis-Albert Joly de Choin † | Bishop of Toulon, France |
| 20 Jun | 56.6 | Moritz Adolf Karl Herzog von Sachsen-Zeitz (Saský) † | Bishop of Litomĕrice, Czech Republic |
| 21 Jun | 62.1 | Francesco Scipione Maria Borghese † | Cardinal, Bishop of Porto e Santa Rufina, Italy |
| Aug | 70.0 | Pedro Gómez de la Torre † | Bishop of Plasencia, Spain |
| 15 Sep | 57.0 | Johann Georg Freiherr von Stinglheim † | Auxiliary Bishop of Regensburg, Germany |
| 16 Sep | 62.0 | Adalbert Walderdorf, O.S.B. † | Bishop of Fulda, Germany |
| 26 Nov | 105.7 | José Flores Osorio † | Bishop of Cuenca, Spain |