| Date | Age | Bishop | Title |
| unknown | 56.9 | José Andrés de Achurra y Núñez del Arco † | Bishop of Trujillo, Peru |
| unknown | 53.6 | Bartolomeo Criscuolo † | Bishop of Lettere (-Gragnano), Italy |
| unknown | 70.0 | Charles de La Cropte de Chanterac † | Bishop of Alet, France |
| unknown | 64.3 | Giuseppe Antonio Farao † | Bishop of San Severo, Italy |
| unknown | 64.1 | Marco de Leone † | Bishop of Satriano e Campagna, Italy |
| unknown | | Gaetano Mantegazza, B. † | Titular Bishop of Maximianopolis in Palaestina |
| unknown | 79.7 | Isidro Rodríguez Lorenzo, O.S.Bas. † | Archbishop Emeritus of Santo Domingo, Dominican Republic |
| unknown | 65.8 | Giuseppe de Rosa † | Bishop of Policastro, Italy |
| unknown | 52.8 | Gioacchino Vassetta † | Bishop of Castellaneta, Italy |
| 19 Jan | 78.4 | Bernardo Lorca Quiñones, O.S.H. † | Bishop of Guadix, Spain |
| 28 Jan | 72.1 | Alexandre-César d’Anterroches † | Bishop of Condom, France |
| 7 Feb | 84.9 | Alberto Maria Capobianco, O.P. † | Archbishop Emeritus of Reggio Calabria, Italy |
| 8 Feb | 68.6 | Agustín Rubín Cevallos † | Bishop of Jaén, Spain |
| 16 Feb | 71.5 | Joseph-Crispin des Achards de La Baume † | Bishop of Cavaillon, France |
| 18 Feb | 62.6 | Carlo Maurizio Peiretti † | Bishop of Tortona, Italy |
| Mar | 53.2 | Etienne-Joseph de Pavée de Villevieille † | Bishop of Bayonne, France |
| 6 Mar | 72.1 | Giovanni Giacomo Onorati † | Bishop of Troia, Italy |
| 17 Mar | 67.6 | Antonius Maria Colonna, O.S.B. † | Titular Bishop of Philadelphia in Arabia |
| 26 Mar | 76.4 | Francesco Carrara † | Cardinal, Cardinal-Priest of San Silvestro in Capite |
| 26 Mar | 87.4 | Joseph Ferdinand Guidobald von Spaur und Valör † | Titular Bishop of Abila in Palaestina |
| 31 Mar | 70.1 | Francesco Ferdinando Sanseverino, C.P.O. † | Archbishop of Palermo, Italy |
| 14 Apr | 85.6 | Anton Peter Przichowsky von Przichowitz † | Archbishop of Praha {Prague}, Czech Republic |
| 17 Apr | 69.1 | Philippe Damien de Hoensbroeck † | Bishop of Roermond, Netherlands |
| 22 Apr | 64.3 | Joseph VI Estephan † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 19 May | 73.6 | Gioacchino Michele Radicati, O.P. † | Bishop of Alghero, Italy |
| 31 May | 55.8 | Victorius (Franciscus Xaverius) Schweizer, O.C.D. † | Titular Bishop of Gabala |
| 6 Jun | 76.1 | João Rafael de Mendonça, O.S.H. † | Bishop of Porto, Portugal |
| 7 Jun | 73.3 | Vitaliano Borromeo † | Cardinal, Titular Archbishop of Thebae |
| 15 Jun | 64.0 | Antoni Onufry Okecki † | Bishop of Poznań, Poland |
| 3 Aug | 61.6 | Antonin Kornel Przedwojewski, O.F.M. Cap. † | Auxiliary Bishop of Gniezno, Poland |
| 7 Aug | 77.8 | Pietro Maria Vannucci † | Bishop of Massa Marittima, Italy |
| 13 Aug | 60.7 | Giovanni Arcamone, C.R. † | Bishop of Lucera, Italy |
| 14 Aug | 63.1 | Franciscus von Berchtold † | Bishop of Banská Bystrica, Slovakia |
| 23 Aug | 58.3 | Antonio Puñuela Alonso † | Bishop of Zamora, Spain |
| 28 Aug | 53.3 | Josafat Bastasic (Bastasyc), O.S.B.M. † | Bishop of Križevci (Kreutz) (Križevci), Croatia |
| 2 Sep | 76.7 | Henri-Louis-René Des Nos † | Bishop of Verdun, France |
| 12 Sep | 62.0 | Francesco Benincasa, S.J. † | Bishop of Carpi, Italy |
| 20 Sep | 61.6 | Joseph de Montfalcon du Cénole † | Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
| 27 Sep | 77.5 | Michel Conseil † | Bishop of Chambéry, France |
| Oct | 40.1 | Dominic Laurence Graessl, S.J. † | Priest of Society of Jesus |
| 11 Oct | 78.7 | Raniero Finocchietti † | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 12 Oct | 64.5 | Jean-Charles-Vincent-Gaspar-Constantin-Antoine Giovio † | Archbishop of Avignon, France |
| 26 Oct | 86.9 | Albert-Simon d’Aigneville de Millancourt † | Auxiliary Bishop of Cambrai, France |
| 31 Oct | 77.8 | Dionys von Rost † | Bishop of Chur, Switzerland |
| Nov | 65.9 | José Constancio Andino † | Bishop of Osma, Spain |
| 14 Nov | 73.0 | Pietro Domenico Scoppa † | Bishop of Gerace, Italy |
| 4 Dec | 69.3 | Marcantonio Colonna (Jr.) † | Cardinal, Cardinal-Bishop of Palestrina |
| 4 Dec | 54.7 | Franc Jožef Mikolič (Mikolitsch) † | Auxiliary Bishop of Ljubljana, Slovenia |
| 12 Dec | 56.6 | Joseph Ernest Gandolph von Kuenburg † | Bishop of Lavant, Slovenia |
| 30 Dec | 67.5 | Alexander Maria Calefati † | Bishop of Oria, Italy |