| Date | Age | Bishop | Title |
|---|
| unknown | 55.4 | Agostino Adriani † | Bishop of Mottola (Motula), Italy |
| unknown | 64.0 | Louis-Henri de Bruyère de Chalabre † | Bishop of Saint-Pons-de-Thomières, France |
| unknown | 74.9 | Gaetano Maria Capece, C.R. † | Bishop of Pozzuoli, Italy |
| unknown | | Francesco Maria Gentili † | Bishop of Luni e Sarzana, Italy |
| unknown | 79.2 | Prospero Celestino Meloni † | Bishop of Narni, Italy |
| unknown | 66.6 | Raffaele Pasca, O.S.B. † | Bishop of Teano, Italy |
| unknown | 55.5 | Carlo Giuseppe Pistone † | Bishop of Alessandria (della Paglia), Italy |
| unknown | 63.0 | Battista Rivelli † | Archbishop of Brindisi, Italy |
| 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 |
| 18 Jan | 59.6 | Andrea Corsini † | Cardinal, Cardinal-Bishop of Sabina |
| 14 Feb | 64.4 | Franz Ludwig Reichsfreiherr von Erthal † | Bishop of Würzburg, Germany |
| 18 Feb | 55.8 | Filippo Campanelli † | Cardinal, Cardinal-Deacon of S. Cesareo in Palatio |
| 20 Feb | 65.5 | Esteban Antonio Aguado Rojas † | Bishop of Pamplona, Spain |
| 3 Mar | 52.4 | Dominique de Lastic † | Bishop of (Saint-Lizier de) Couserans, France |
| 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 von Auersperg † | Cardinal, Bishop of Passau, Germany |
| 14 Sep | 71.8 | Berndard-Emmanuel (François-Pierre) de Lenzbourg, O. Cist. † | Bishop of Lausanne, Switzerland |
| 21 Sep | 67.9 | Guglielmo Pallotta † | Cardinal, Prefect of the Congregation of the Council |
| 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 |
| 18 Dec | 67.1 | Fernando Spinelli † | Cardinal, Cardinal-Deacon of S. Maria in Cosmedin |
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