| Date | Age | Bishop | Title |
| unknown | 79.0 | Martial-Louis de Beaupoil de Saint-Aulaire † | Bishop of Poitiers, France |
| unknown | 64.0 | Boetius Egan † | Archbishop of Tuam, Ireland |
| unknown | 86.0 | Henri Hachette des Portes, O. Carm. † | Bishop of Glandèves, France |
| unknown | | Dionysius Maguire, O.F.M. † | Bishop of Kilmore, Ireland |
| unknown | 61.2 | Pasquale Martini † | Bishop of Città Ducale, Italy |
| unknown | 71.0 | Paschalis Sifanni † | Titular Bishop of Tium |
| unknown | 76.3 | Jan Szyikoswki † | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| 1 Jan | 92.0 | Hyacinthus Maria Barberio, O.F.M. Conv. † | Bishop of Bitetto, France |
| 14 Jan | 85.4 | Anselmo Rodríguez, O.S.B. † | Bishop of Almería, Spain |
| 10 Feb | 81.2 | Simon Spalatin † | Bishop of Ossero (Osor), Croatia |
| 20 Mar | 72.8 | Ange-François de Talaru de Chalmazel † | Bishop of Coutances, France |
| 31 Mar | 53.4 | Carlo Fabi † | Bishop of Amelia, Italy |
| 7 Apr | 74.2 | Manuel Tavares Coutinho da Silva † | Bishop of Portalegre, Portugal |
| 29 Apr | 69.5 | Cristoforo a São Boaventura, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 15 May | 76.4 | Michael Angelus Monticelli † | Bishop of Isola, Italy |
| 24 May | 77.4 | Joannes Bapt. Miroudot, O. Cist. † | Bishop of Baghdad, Iraq |
| 6 Jun | 57.3 | Lourenço Correa de Sá e Benevides † | Bishop of Porto, Portugal |
| 8 Jun | 50.4 | Charles Berington † | Vicar Apostolic of Midland District, England, Great Britain |
| 9 Jul | 58.0 | Wilhelm Joseph Leopold Willibald von Baden † | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 12 Jul | 80.6 | Francesco Antonio Marcucci † | Bishop of Montalto (delle Marche), Italy |
| 8 Aug | 62.2 | Vincenzo Maria Parruco Tries, O.P. † | Bishop of Bovino, Italy |
| 21 Aug | 62.2 | Corneille-François de Nélis † | Bishop of Antwerpen {Antwerp, Anvers}, Belgium |
| 2 Sep | 84.1 | Jakub Walerian Tumanowicz † | Archbishop of Lviv (Armenian), Ukraine |
| 17 Nov | 57.9 | Ignatius Batthyány † | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |
| 13 Dec | 78.7 | Karl Friedrich von Zehmen † | Auxiliary Bishop of Warmia (Ermland), Poland |
| 16 Dec | 70.4 | Pasquale Petruccelli † | Bishop of Strongoli, Italy |
| 23 Dec | 87.6 | Emericus Christovich † | Bishop of Csanád, Hungary |