| Date | Age | Bishop | Title |
| unknown | 75.5 | Lorenzo Gioeni d'Aragona † | Bishop of Agrigento (Girgenti), Italy |
| unknown | | Francesco Iorio † | Bishop of Monopoli, Italy |
| unknown | | Giuseppe Francesco Rossi † | Bishop of Venafro, Italy |
| unknown | | Fabrizio Salerno † | Bishop of Molfetta, Italy |
| 4 Jan | 75.0 | François-Firmin Trudaine † | Bishop of Senlis, France |
| 16 Jan | | Giacomo Bonanno † | Archbishop of Monreale, Italy |
| 17 Jan | 78.8 | Filippo Maria de Monti † | Cardinal, Cardinal-Priest of S. Stefano al Monte Celio |
| 24 Jan | 77.2 | Giovanni Battista Barni † | Cardinal, Apostolic Nuncio to Spain |
| 7 Feb | 64.1 | Manuel López Aguirre † | Bishop of Barcelona, Spain |
| 27 Feb | 83.4 | Tomás de Almeida † | Cardinal, Patriarch of Lisboa, Portugal |
| 6 Mar | 62.2 | Juan González Melgarejo † | Bishop of Arequipa, Peru |
| 16 Mar | 79.2 | Charles-François d'Hallencourt de Dromesnil † | Bishop of Verdun, France |
| 19 Mar | 58.2 | Giuseppe Ruffo † | Archbishop of Capua, Italy |
| 20 Mar | 66.0 | Giuseppe Livizzani Mulazzani † | Cardinal, Cardinal-Deacon of Ss. Vito, Modesto e Crescenzia |
| 3 Apr | 85.0 | Louis-Daniel-Gabriel de Pestel de Levis de Trubières de Caylus † | Bishop of Auxerre, France |
| 22 Apr | 60.9 | Pedro Felipe de Azúa e Iturgoyen † | Archbishop Emeritus of Santafé en Nueva Granada, Colombia |
| 22 Apr | 62.2 | Louis-Bernard de La Taste, O.S.B. † | Bishop of Bethléem, France |
| 29 Apr | 72.5 | Alessandro Tanara † | Cardinal, Cardinal-Deacon of S. Maria in Aquiro |
| 13 May | 58.8 | Alessio Ignazio Marucchi † | Bishop of Acqui, Italy |
| 1 Jun | | Giambattista Pensa † | Bishop of Fossano, Italy |
| 12 Jun | 56.6 | Benedetto Gaetani † | Bishop of Colle di Val d’Elsa, Italy |
| 13 Jun | | Joseph-Alphonse de Valbelle de Tourves † | Bishop of Saint-Omer, France |
| 2 Jul | | Francesco Carafa † | Bishop of Nardò, Italy |
| 2 Jul | | Giuseppe dei Conti di Marsciano † | Bishop of Orvieto, Italy |
| 9 Jul | 77.0 | Felice Leone, O.S.A. † | Bishop of Avellino-Frigento, Italy |
| 25 Jul | 57.9 | Ippolito Graziadei † | Bishop of Città della Pieve, Italy |
| 3 Aug | 86.6 | Jean-Baptiste Surian † | Bishop of Vence, France |
| 2 Sep | | Eustachio Palma † | Bishop of Fossombrone, Italy |
| 12 Sep | | Fabrizio Borgia † | Bishop of Ferentino, Italy |
| 7 Oct | | Silvestro Lodovico Paparelli † | Bishop of Cagli, Italy |
| 14 Oct | 57.6 | José Gómez † | Bishop of Zamora, Spain |
| 27 Oct | 71.8 | Giuseppe Suares de la Concha † | Bishop of San Miniato, Italy |
| 12 Nov | 58.7 | Joseph Benedikt Graf von Rost † | Bishop of Chur, Switzerland |
| 25 Nov | 64.0 | Karl Philipp Reichsfreiherr von Greifenclau zu Vollraths † | Bishop of Würzburg, Germany |