| Date | Age | Bishop | Title |
| unknown | 83.0 | Julien-François Becquet, C.S.Sp. † | Prefect Emeritus of Iles Saint-Pierre et Miquelon |
| unknown | 76.0 | Jean de Cairol de Madaillan † | Bishop Emeritus of Grenoble, France |
| unknown | 76.8 | Giovanni Battista Jurileo † | Bishop of Nona (Nin), Croatia |
| unknown | 50.4 | Domingo do Rosario, O.P. † | Bishop of São Tomé e Príncipe |
| unknown | 59.0 | Giacinto Amedeo Vagnone † | Bishop Emeritus of Alba (Pompea), Italy |
| 11 Jan | 79.0 | James Brady † | Bishop of Ardagh (and Clonmacnois), Ireland |
| 21 Jan | 85.0 | Paul d’Albert de Luynes † | Cardinal, Archbishop of Sens, France |
| 6 Feb | | Parsegh Petros IV Avkadian † | Patriarch of Cilicia (Armenian), Lebanon |
| 18 Feb | 61.2 | András Ország † | Auxiliary Bishop of Pécs, Hungary |
| 19 Feb | 76.0 | Manuel de Alday y Aspée † | Bishop of Santiago de Chile |
| 20 Feb | 66.1 | Filiberto Pascali (Pascale) † | Bishop of Telese o Cerreto Sannita, Italy |
| 29 Feb | 69.3 | Pasquale Acquaviva d’Aragona † | Cardinal, Cardinal-Deacon of Sant’Eustachio |
| 4 Mar | 74.7 | Antonio Eugenio Visconti † | Cardinal, Prefect of the Congregation for Indulgences and Relics |
| 15 Mar | 60.8 | Ludwig Joseph von Welden auf Laubheim und Hohenaltingen † | Bishop of Freising, Germany |
| 17 Mar | 56.9 | Ernest Johann Nepomuk von Herberstein (Herbstein) † | Bishop of Linz, Austria |
| 27 Mar | 70.7 | Francesco Maria Colombani † | Bishop of Bertinoro, Italy |
| 30 Mar | | Théodose V (Athanase) Dahan, B.C. † | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 31 Mar | 56.0 | Benedetto Cervone † | Bishop of L’Aquila, Italy |
| 30 Apr | 68.2 | Melchior Jan Kochnowski † | Auxiliary Bishop of Chełm, Poland |
| 2 May | 74.7 | Antoine de Malvin de Montazet † | Archbishop of Lyon, France |
| 2 May | 76.2 | Francesco Pettorelli Lalatta † | Bishop of Parma, Italy |
| 11 May | 78.5 | Giuseppe Bellotti † | Bishop of Massa Lubrense, Italy |
| 28 May | 81.6 | Louis-Sextius de Jarente de La Bruyère † | Bishop of Orléans, France |
| 4 Jun | 78.1 | Louis-Philippe-François Mariauchau d’Esgly † | Bishop of Québec, Canada |
| 15 Jun | 76.4 | Francesco Antonio Bonaventura † | Bishop of Nusco, Italy |
| 24 Jun | 89.2 | Stefano dell’Oglio † | Bishop of Kotor (Cattaro), Montenegro |
| 12 Jul | 80.0 | Gioacchino Castello † | Bishop of Cefalù, Italy |
| 12 Jul | 69.7 | Daniel Johann Anton von Gebsattel † | Auxiliary Bishop of Würzburg, Germany |
| 15 Jul | 60.1 | Manuel Felipe Miralles † | Bishop of Cartagena (en España) |
| 23 Jul | 55.9 | Dominicus Castells † | Auxiliary Bishop-Elect of Valencia, Spain |
| 30 Jul | 72.9 | Kajetan Ignacy Sołtyk † | Bishop of Kraków, Poland |
| Aug | 71.0 | Diodato Maria Difnico, C.R.L. † | Bishop of Krk (Veglia), Croatia |
| 4 Aug | 74.4 | Vigilius Augustin Maria von Firmian † | Bishop Emeritus of Lavant, Slovenia |
| 28 Aug | 57.4 | Jean-Gabriel d’Agay † | Bishop of Perpignan-Elne, France |
| 6 Sep | 73.4 | Giovanni Carlo Boschi † | Cardinal, Major Penitentiary of the Apostolic Penitentiary |
| 19 Sep | 61.4 | Francisco Navarro Acevedo † | Bishop of Santa Marta, Colombia |
| 24 Sep | 66.0 | Agostino Felice de’ Rossi † | Bishop of Terni, Italy |
| 25 Sep | 77.0 | Heinrich (Karl Sigismund) Bibra, O.S.B. † | Bishop of Fulda, Germany |
| 25 Sep | 74.3 | Joaquim Borges de Figueroa † | Archbishop Emeritus of São Salvador da Bahia, Brazil |
| 27 Sep | 73.5 | Jason Jan Junosza Smogorzewski, O.S.B.M. † | Archbishop of Kyiv-Halyč {Kiev} (Ukrainian), Ukraine |
| 6 Oct | 82.2 | Carlo Camuzi † | Bishop Emeritus of Capodistria (Capo d’Istria)(Koper), Slovenia |
| 6 Oct | 47.1 | Marie-Anne-Hippolyte Hay de Bonteville † | Bishop of Grenoble, France |
| 15 Oct | 74.8 | Giuseppe Capocchiani † | Bishop of Crotone (Cotrone), Italy |
| 26 Oct | 73.5 | Félicien Bocon de La Merlière † | Bishop Emeritus of Apt, France |
| 3 Nov | 56.5 | Pierre Peineau du Verdier, C.O. † | Bishop of Accia and Mariana, France |
| 7 Nov | 40.7 | Jean-Joseph-Victor de Castellane-Adhémar † | Bishop of Senez, France |
| 28 Nov | 61.6 | Gabriel Wodzyński † | Bishop of Smoleńsk, Poland |
| 29 Nov | | Simon d’Amida † | Bishop of Mardin (Chaldean), Turkey |
| 29 Nov | 58.1 | Vicente do Espirito Santo, O.A.D. † | Prelate of Goiás, Brazil |
| 29 Nov | 69.3 | Inácio de São Caetano, O.C.D. † | Bishop Emeritus of Penafiel, Portugal |
| 1 Dec | 82.7 | Francesco Saverio Stabile † | Bishop of Venafro, Italy |
| 4 Dec | 81.3 | Joaquín de Eleta, O.F.M. † | Bishop of Osma, Spain |
| 13 Dec | 66.1 | Giuseppe Maria Langosco-Stroppiana † | Bishop of Alba (Pompea), Italy |
| 26 Dec | 68.6 | Martino Bianchi † | Archbishop of Lucca, Italy |