| Date | Age | Bishop | Title |
| unknown | 70.1 | Nicolas Navarre † | Auxiliary Bishop of Lyon, France |
| unknown | | Gerasimos Saigh, B.C. † | Archbishop Emeritus of Alep [Beroea, Halab] (Melkite Greek), Syria |
| unknown | 74.5 | Fabrizio Salerno † | Bishop of Molfetta, Italy |
| unknown | 84.3 | Caius Asterius Toppi † | Titular Bishop of Milevum |
| unknown | 74.8 | Matteo Trigona † | Bishop Emeritus of Siracusa, Italy |
| 4 Jan | 75.0 | François-Firmin Trudaine † | Bishop of Senlis, France |
| 16 Jan | 73.0 | Giacomo Bonanno, C.R. † | Archbishop of Monreale, Italy |
| 17 Jan | 78.8 | Filippo Maria de Monti † | Cardinal, Cardinal-Priest of Santo Stefano al Monte Celio |
| 24 Jan | 77.2 | Giovanni Battista Barni † | Cardinal, Apostolic Nuncio to Spain |
| 27 Jan | 78.2 | Giuseppe Francesco Rossi † | Bishop of Venafro, Italy |
| 6 Feb | | Bartolomé de Narváez y Berrio † | Bishop of Cartagena, Colombia |
| 7 Feb | 64.1 | Manuel López Aguirre † | Bishop of Barcelona, Spain |
| 8 Feb | 62.9 | Francesco Lanfreschi † | Archbishop of Acerenza e Matera, Italy |
| 27 Feb | 83.4 | Tomás de Almeida † | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal |
| 4 Mar | 83.2 | Alessandro Maria Litta † | Bishop Emeritus of Cremona, Italy |
| 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 Maria Ruffo † | Archbishop of Capua, Italy |
| 20 Mar | 66.0 | Giuseppe Livizzani Mulazzani † | Cardinal, Cardinal-Deacon of Santi Vito, Modesto e Crescenzia |
| 29 Mar | 63.4 | Thomas Nechich † | Bishop of Nona (Nin), Croatia |
| 3 Apr | 85.0 | Louis-Daniel-Gabriel de Pestel de Levis de Trubières de Caylus † | Bishop of Auxerre, France |
| 5 Apr | 67.7 | Luigi Gherardi † | Bishop of Cortona, Italy |
| 6 Apr | 84.3 | Philippus Bavestrelli † | Bishop of Chios (Scio), Greece |
| 14 Apr | 61.9 | Giuseppe Alfonso Miroglio † | Bishop of Alessandria (della Paglia), Italy |
| 20 Apr | 62.7 | Nicolò Leopoldo Lomellini † | Bishop of Brugnato, Italy |
| 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. † | Titular Bishop of Bethleem |
| 27 Apr | 68.5 | Costantino Vigilante † | Bishop of Caiazzo, Italy |
| 29 Apr | 72.5 | Alessandro Tanara † | Cardinal, Cardinal-Deacon of Santa Maria in Aquiro |
| 13 May | 58.8 | Alessio Ignazio Marucchi † | Bishop of Acqui, Italy |
| 24 May | 79.6 | Antonino Serafino Camarda, O.P. † | Bishop of Rieti, Italy |
| Jun | 63.5 | Onofrio Pini † | Bishop of Bagnoregio (Bagnorea), Italy |
| 1 Jun | 49.9 | Giambattista Pensa † | Bishop of Fossano, Italy |
| 12 Jun | 56.6 | Benedetto Gaetani † | Bishop of Colle di Val d’Elsa, Italy |
| 13 Jun | 65.4 | Joseph-Alphonse de Valbelle de Tourves † | Bishop of Saint-Omer, France |
| 2 Jul | 69.0 | Francesco Carafa † | Bishop of Nardò, Italy |
| 2 Jul | 58.2 | Giuseppe di Marsciano † | Bishop of Orvieto, Italy |
| 6 Jul | 54.5 | Michele Maria Vincentini † | Titular Archbishop of Teodosia |
| 9 Jul | 64.0 | Marinus Bozzatini † | Bishop of Novigrad (Cittanova), Croatia |
| 9 Jul | 77.0 | Felice Leone, O.S.A. † | Bishop of Avellino e Frigento, Italy |
| 25 Jul | 57.9 | Ippolito Graziadei † | Bishop of Città della Pieve, Italy |
| Aug | 58.3 | Jacobus Guacci † | Bishop of Belcastro, Italy |
| 3 Aug | 84.2 | Jean-Baptiste Surian † | Bishop of Vence, France |
| 6 Aug | 41.1 | Mattino Ignazio Caracciolo † | Titular Archbishop of Chalcedon |
| 15 Aug | 67.7 | Francesco Iorio (Jorio) † | Bishop of Monopoli, Italy |
| 2 Sep | 64.9 | Fabrizio Borgia † | Bishop of Ferentino, Italy |
| 2 Sep | 77.8 | Eustachio Palma † | Bishop of Fossombrone, Italy |
| 7 Sep | 68.9 | Antoine-Pierre de Grammont † | Archbishop of Besançon, France |
| 17 Sep | 79.0 | Petrus Franciscus Hugon † | Auxiliary Bishop of Besançon, France |
| Oct | 76.3 | Lorenzo Gioeni d’Aragona † | Bishop of Agrigento (Girgenti), Italy |
| 7 Oct | 63.8 | Silvestro Lodovico Paparelli † | Bishop of Cagli, Italy |
| 11 Oct | 52.0 | Giovanni Luis, S.J. † | Archbishop of Cranganore (Angamala), India |
| 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 von Rost † | Bishop of Chur, Switzerland |
| 25 Nov | 64.0 | Karl Philipp von Greifenclau zu Vollraths † | Bishop of Würzburg, Germany |
| 30 Nov | 68.6 | Gerolamo Fonda † | Bishop of Trogir (Traù), Croatia |
| 4 Dec | 46.8 | Józef Julian Sapieha † | Coadjutor Bishop of Vilnius, Lithuania |