| Date | Age | Bishop | Title |
| unknown | 55.4 | Agostino Adriani † | Bishop of Mottola (Motula), Italy |
| unknown | 86.7 | Josephus Aluffi † | Bishop Emeritus of Bagnoregio (Bagnorea), Italy |
| unknown | 64.0 | Louis-Henri de Bruyère de Chalabre † | Bishop of Saint-Pons-de-Thomières, France |
| unknown | 75.4 | Gian Leonardo Maria Di Fusco, O.P. † | Bishop of Acerra, Italy |
| unknown | | Jérémie Arsène Karamé † | Bishop of Damas (Melkite Greek), Syria |
| unknown | 68.0 | Giovanni Logorezzi † | Bishop of Sapë, Albania |
| unknown | 80.0 | Nicolas de La Pinte de Livry, O. Praem. † | Titular Bishop of Callinicum |
| unknown | 66.6 | Raffaele Pasca, O.S.B. † | Bishop of Teano, Italy |
| 1 Jan | 87.0 | Giacinto Giustiniani, O.P. † | Bishop Emeritus of Syros (e Milos), Greece |
| 5 Jan | 78.5 | Philipp Gotthard von Schaffgotsch † | Bishop of Wrocław (Breslau), Poland |
| 7 Jan | 62.7 | Alfonso Marcos Llanes † | Archbishop of Sevilla {Seville}, Spain |
| 12 Jan | 78.3 | Giovanni Baptista Santonini † | Titular Bishop of Famagusta |
| 15 Jan | 84.4 | Antonino Ganini † | Archbishop of Santa Severina, Italy |
| 18 Jan | 59.6 | Andrea Corsini † | Cardinal, Cardinal-Bishop of Sabina |
| 29 Jan | 69.0 | Ferdinand-Marie de Lobkowitz † | Bishop of Gent {Ghent, Gand}, Belgium |
| 14 Feb | 64.4 | Franz Ludwig von Erthal † | Bishop of Würzburg, Germany |
| 16 Feb | 54.2 | Antonio Siciliani † | Bishop of Aquino e Pontecorvo, Italy |
| 18 Feb | 55.8 | Filippo Campanelli † | Cardinal, Cardinal-Deacon of San 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 |
| 27 Mar | | Franz Kalatay † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 13 Apr | 61.6 | Julius Caesar Zollio † | Titular Archbishop of Athenae |
| 24 Apr | 67.8 | Thomas Joseph Talbot † | Vicar Apostolic of Midland District, England, Great Britain |
| 8 May | 57.1 | Joachim-François-Mamert de Conzié † | Archbishop of Tours, France |
| 17 May | 85.4 | Michael Fadel † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 27 May | 69.7 | Pedro Rubio-Benedicto Herrero † | Bishop of Jaén, Spain |
| 8 Jun | 76.4 | Giovanni Coccoli † | Bishop of Vulturara e Montecorvino, Italy |
| 16 Jun | 73.5 | Domingos da Encarnação Pontevel, O.P. † | Bishop of Mariana, Brazil |
| 29 Jun | 69.5 | Laurence Nihill, S.J. † | Bishop of Kilfenora, Ireland |
| 5 Jul | 60.0 | Luigi Amici † | Archbishop of Camerino, Italy |
| 10 Jul | 59.9 | Bartolomé Fabro Palacios † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 15 Jul | 77.2 | Felipe Pérez Santa María † | Auxiliary Bishop of Toledo, Spain |
| 22 Jul | 65.5 | Andrea Mirelli, O.S.B. † | Archbishop of Chieti, Italy |
| 24 Jul | 78.1 | Giovanni Rondinelli † | Bishop of Comacchio, Italy |
| 30 Jul | 72.6 | Joannes Chrysostomus de Clugny, O.F.M. Conv. † | Archbishop of Durrës (Durazzo) (Albanian), Albania |
| 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 |
| 30 Sep | 56.2 | Carlo Giuseppe Pistone † | Bishop of Alessandria (della Paglia), Italy |
| 30 Sep | 59.2 | Joseph Vinci † | Apostolic Nuncio to Switzerland |
| 21 Oct | | Franciscus Antonius Fracchia † | Titular Bishop of Theodosiopolis in Armenia |
| 22 Nov | 71.9 | Luis Tomás Esteban de Piña y Mazo, O.S.B. † | Bishop of Yucatán (Mérida), 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 |
| 11 Dec | 89.8 | Giorgio Maria Lascaris, C.R. † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 13 Dec | 69.5 | Venantius Felix Scotti † | Bishop of Šibenik (Knin), Croatia |
| 18 Dec | 67.1 | Fernando Spinelli † | Cardinal, Cardinal-Deacon of Santa Maria in Cosmedin |
| 22 Dec | 65.0 | Ferenc Xaverius Splenyi † | Bishop of Vác, Hungary |
| 23 Dec | 64.0 | Battista Rivelli † | Archbishop of Brindisi, Italy |