| Date | Age | Bishop | Title |
| unknown | | Alfonso Marsili † | Archbishop of Siena, Italy |
| unknown | | Hugh MacMullan † | Bishop of Down and Connor, Ireland |
| 5 Jan | 78.5 | Philipp Gotthard Graf von Schaffgotsch † | Bishop of Wrocław, Poland |
| 7 Jan | 62.7 | Alfonso Marcos Llanes † | Archbishop of Sevilla {Seville}, Spain |
| 14 Feb | 64.4 | Franz Ludwig Reichsfreiherr von Erthal † | Bishop of Würzburg, Germany |
| 20 Feb | 65.5 | Esteban Antonio Aguado Rojas † | Bishop of Pamplona, Spain |
| 24 Apr | 68.2 | Thomas Joseph Talbot † | Vicar Apostolic of Midland District, England, Great Britain |
| 8 May | 57.1 | Joachim-François-Mamert de Conzié † | Archbishop of Tours, France |
| 27 May | 69.7 | Pedro Rubio-Benedicto Herrero † | Bishop of Jaén, Spain |
| Jun | 69.4 | Laurence Nihill, S.J. † | Bishop of Kilmacduagh, Ireland |
| 16 Jun | 73.5 | Domingos da Encarnação Pontevel, O.P. † | Bishop of Mariana, Brazil |
| 10 Jul | 59.9 | Bartolomé Fabro Palacios † | Bishop of Ayacucho o Huamanga, Peru |
| 15 Jul | 77.2 | Felipe Pérez Santa María † | Auxiliary Bishop of Toledo, Spain |
| 22 Jul | | Andrea Mirelli, O.S.B. † | Archbishop of Chieti, Italy |
| 30 Jul | 69.5 | Urbain-René de Hercé † | Bishop of Dol, France |
| 21 Aug | 61.6 | Joseph Franz Anton Reichsgraf von Auersperg † | Cardinal, Bishop of Passau, Germany |
| 14 Sep | 71.8 | Berndard-Emmanuel (François-Pierre) de Lenzbourg, O. Cist. † | Bishop of Lausanne, Switzerland |
| 25 Sep | 74.8 | Sebastián Malvar y Pinto, O.F.M. † | Archbishop of Santiago de Compostela, Spain |
| 22 Nov | 71.9 | Luis Tomás Esteban de Piña y Mazo, O.S.B. † | Bishop of Yucatán (Mérida), Yucatán, México |
| 4 Dec | 83.1 | Paolo Francesco Antamori † | Cardinal, Bishop of Orvieto, Italy |
| 8 Dec | 57.2 | José Boltas, O.F.M. † | Bishop of Urgell, Spain |