| Date | Age | Bishop | Title |
|---|
| unknown | 61.0 | Jan Baikowski † | Auxiliary Bishop of Poznań, Poland |
| unknown | | Dominique Blanditi † | Bishop of Umbriatico (Umbriaticum), Italy |
| unknown | | Lodovico (Francesco) Centofiorini † | Bishop of Nicotera, Italy |
| unknown | 49.0 | Giacinto Cevoli, O.P. † | Bishop of San Marco (Argentano), Italy |
| unknown | 67.0 | Tommaso d’Aquino, C.R. † | Bishop of Mottola (Motula), Italy |
| unknown | 48.0 | Nykyfor Losovskyj † | Coadjutor Bishop of Polotsk (Połock)-Vitebsk (Ukrainian), Belarus |
| unknown | 56.0 | Cherubino Manzoni, O.F.M. † | Bishop of Termoli, Italy |
| unknown | | Gonzalo de Rueda † | Bishop of Gallipoli, Italy |
| unknown | 56.1 | Talento de’ Talenti † | Bishop of Montepulciano, Italy |
| unknown | 56.0 | Ambrosio Viola, O.P. † | Bishop of Lacedonia, Italy |
| 5 Jan | 71.0 | Alphonse d’Elbène † | Bishop Emeritus of Albi, France |
| 7 Jan | 51.0 | Sallustio Pecólo (Pecoli) † | Bishop Emeritus of Venosa, Italy |
| 9 Feb | 61.1 | René Leclerc, O.M. † | Bishop of Glandèves, France |
| 12 Feb | | Pablo Durán † | Bishop of Urgell, Spain |
| Mar | 63.1 | Fabrizio Carafa † | Bishop of Bitonto, Italy |
| 8 Mar | | René de Rieux de Sourdéac † | Bishop of Saint-Pol-de-Léon, France |
| 17 Mar | 65.2 | Giovanni Battista Vercellino † | Bishop of Aosta, Italy |
| 5 Apr | 56.2 | Timoteo Pérez Vargas, O.C.D. † | Bishop Emeritus of Ispahan, Iran |
| 8 Apr | 62.1 | Léonor d’Estampes de Valançay, O.S.B. † | Archbishop of Reims, France |
| 28 May | 75.4 | Jean de Plantavit de la Pause † | Bishop Emeritus of Lodève, France |
| 30 May | 65.4 | Luis Venegas Figueroa † | Bishop of Almería, Spain |
| 18 Jun | 61.0 | Francisco Rodríguez de Valcárcel † | Bishop of Cartagena, Colombia |
| 30 Jun | 53.4 | Michael Chumer (Chumberg), O.F.M. † | Auxiliary Bishop of Ljubljana (Laybach; Laibach), Slovenia |
| 14 Jul | 57.5 | Francisco Torres Sánchez de Roa † | Bishop of Lugo, Spain |
| 26 Jul | | Girolamo Corio (Coiro) † | Bishop of Parma, Italy |
| 30 Jul | 73.8 | Henri Louis Chasteigner de La Rocheposay † | Bishop of Poitiers, France |
| 2 Aug | 60.5 | Thomas Fleming, O.F.M. † | Archbishop of Dublin, Ireland |
| 6 Aug | 65.5 | Juan de Espinoza y Orozco, O.P. † | Bishop of Santa Marta, Colombia |
| 15 Aug | 73.0 | Engelbert des Bois † | Bishop of Namur {Namen}, Belgium |
| 16 Aug | 65.7 | Filippo Benedetto de Sio, O.F.M. Conv. † | Bishop of Boiano, Italy |
| 22 Aug | 62.6 | Charles de Montchal † | Archbishop of Toulouse, France |
| 25 Aug | 57.1 | Beat Albrecht von Ramstein † | Bishop of Basel, Switzerland |
| 3 Sep | 64.6 | Giovanni Giacomo Panciroli † | Cardinal, Cardinal-Priest of Santo Stefano al Monte Celio |
| 24 Sep | 82.7 | Johann Schöner † | Auxiliary Bishop of Bamberg, Germany |
| 25 Sep | 69.1 | Ciriaco Rocci † | Cardinal, Cardinal-Priest of San Salvatore in Lauro |
| Oct | | Pietro Magri † | Bishop of Policastro, Italy |
| Oct | 59.7 | John O’Mollony † | Bishop of Killaloe, Ireland |
| Oct | 56.7 | Octavius Rivarola † | Bishop of Ajaccio, France |
| Oct | 73.7 | Francesco Traina † | Bishop of Agrigento (Girgenti), Italy |
| 10 Oct | 77.7 | Philippus Rovenius † | Vicar Apostolic of Batavia (Holland Mission), Netherlands |
| 13 Oct | | Francesco Surgenti (Sorgente), C.R. † | Bishop of Monopoli, Italy |
| 17 Oct | 61.7 | Hernando de Lobo Castrillo, O. Carm. † | Bishop of Puerto Rico (Porto Rico) |
| 31 Oct | 50.8 | Bl. Terence Albert O’Brien, O.P. † | Coadjutor Bishop of Emly, Ireland |
| Nov | 64.8 | Paolo Teutonico † | Archbishop of Manfredonia, Italy |
| 12 Nov | 72.7 | Nicolas Dufiff † | Bishop-Elect of Arras, France |
| 17 Nov | 56.7 | Fausto Caffarelli † | Archbishop of Santa Severina, Italy |
| 1 Dec | 78.9 | Pietro Niccolini † | Archbishop of Firenze {Florence}, Italy |
| 4 Dec | 69.9 | Bernardino Rodríguez de Arriaga, O.S.A. † | Bishop of Guadix, Spain |
| 8 Dec | 67.4 | Veit Adam Gepeckh von Arnsbach † | Bishop of Freising, Germany |
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