| Date | Age | Bishop | Title |
| unknown | | Bernard Dunne † | Bishop of Kildare and Leighlin, Ireland |
| unknown | 72.9 | Blasius de Vicariis † | Titular Bishop of Capharnaum |
| unknown | | Edmund Kelly † | Bishop of Clonfert, Ireland |
| unknown | 69.8 | Matthaeus de Robertis † | Titular Bishop of Callinicum |
| Jan | 65.2 | Domenico Filomarini, C.R. † | Bishop of Trevico, Italy |
| 10 Jan | 81.4 | Manuel Álvares da Costa † | Bishop of Angra, Portugal |
| 19 Jan | 63.9 | Mattia Joccioa † | Bishop of Venafro, Italy |
| 20 Jan | 78.2 | Pierre de Sabatier † | Bishop of Amiens, France |
| 25 Jan | 65.2 | Matthew Ripa † | Titular Bishop of Hebron |
| 12 Feb | | Jacobus Petrus Esronita (Estronita) † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 13 Feb | 67.0 | Pietro Vincenzo Platamone, O.P. † | Bishop of Lipari, Italy |
| 16 Feb | 53.1 | Juan Antonio de Lardizabal y Elorza † | Bishop of Tlaxcala, México |
| 24 Feb | 63.9 | Alamanno Salviati † | Cardinal, Cardinal-Priest of S. Maria in Ara Coeli |
| 28 Feb | 62.3 | Giovanni Battista Lomellini, O.P. † | Bishop of Saluzzo, Italy |
| Mar | 72.2 | Bonaventura Blasio, O.F.M. Conv. † | Bishop of Castellaneta, Italy |
| Mar | 64.2 | Francesco Castello † | Bishop of Lettere (-Gragnano), Italy |
| Mar | 70.0 | Pietro Giacomo Pichi † | Bishop of Città Ducale, Italy |
| 2 Mar | | Bernardo Serrada, O. Carm. † | Bishop of Cuzco, Peru |
| 30 Mar | 61.1 | Luis Simões Brandão † | Bishop Emeritus of Angola e Congo, Angola |
| 9 Apr | 65.6 | Bartolomeu do Pilar, O. Carm. † | Bishop of Belém do Pará, Brazil |
| 10 Apr | 77.2 | Daniel Joseph Mayer † | Archbishop of Praha {Prague}, Czech Republic |
| 11 Apr | 70.0 | José Fernández del Toro † | Bishop Emeritus of Oviedo, Spain |
| 18 Apr | 63.3 | Louis de La Vergne-Montenard de Tressan † | Archbishop of Rouen, France |
| 23 Apr | 45.1 | Thomaz Franciszek Czapski, O. Cist. † | Bishop of Chelmno (Culma, Kulm), Poland |
| 29 Apr | 65.7 | Saverio Ferrari † | Bishop of Martirano (Martoranum), Italy |
| 30 Apr | 67.8 | Alessandro Francesco Codebò † | Bishop of Città di Castello, Italy |
| 4 May | 61.5 | Pedro Espinosa de los Monteros, O.F.M. † | Bishop of Jaca, Spain |
| 7 May | 71.3 | Jean Le Normant † | Bishop of Evreux, France |
| 8 May | 71.4 | Nuno Álvares Pereira de Melo † | Bishop of Lamego, Portugal |
| 2 Jun | 56.0 | Johann Adam von Wratislaw von Mitrowitz † | Bishop of Litoměřice, Czech Republic |
| 9 Jun | 71.0 | Louis-Gaston Fleuriau d’Armenonville † | Bishop of Orléans, France |
| 20 Jun | 64.7 | Caspar Adolph Schnernauer † | Auxiliary Bishop of Mainz, Germany |
| 26 Jun | 66.6 | Francisco Eustaquio Perea Porras † | Archbishop of Granada, Spain |
| 30 Jun | 79.2 | John Wallace † | Coadjutor Vicar Apostolic of Lowland District, Scotland, Great Britain |
| 10 Jul | 74.5 | Jacinto Olivera y Pardo † | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| 13 Jul | 65.0 | Juan Ignacio de Castorena y Ursúa y Goyeneche † | Bishop of Yucatán (Mérida), México |
| 18 Jul | 67.8 | Filippo Meda † | Bishop of Conversano, Italy |
| 22 Jul | | Georgius Bizanski † | Titular Bishop of Sebastopolis in Armenia |
| 8 Aug | 70.3 | Carlos Borja Centellas y Ponce de León † | Cardinal, Patriarch of West Indies, Spain |
| 14 Aug | 78.5 | Alessandro Dolfi † | Bishop of Fano, Italy |
| 17 Aug | 77.5 | Marco Antonio Attaffi † | Bishop of Squillace, Italy |
| 30 Aug | 64.7 | Jean-Paul-François Le Févre de Caumartin † | Bishop of Blois, France |
| 7 Sep | 55.2 | Silvio Domenico Nicola † | Bishop of Ivrea, Italy |
| 8 Sep | | Antonius Sicault † | Auxiliary Bishop of Lyon, France |
| 16 Sep | 66.3 | Antonio Banchieri † | Cardinal, Cardinal-Priest of S. Nicola in Carcere |
| 18 Sep | 59.7 | Jean-Armand de La Vove de Tourouvre † | Bishop of Rodez, France |
| Oct | | Vincenzo Ferreri, O.P. † | Bishop of Lucera, Italy |
| 9 Oct | 78.3 | Marino Drago † | Bishop of Korčula (Curzola, Cursola), Croatia |
| 31 Oct | 64.0 | Gaetano Iovone † | Bishop of Alife, Italy |
| 31 Oct | | Juan Lancaster (or Alencaster) Norona † | Bishop of Cuenca, Spain |
| 2 Nov | 41.8 | Pierre de Pardaillan de Gondrin d’Autin † | Bishop of Langres, France |
| 11 Nov | | Luke Fagan † | Archbishop of Dublin, Ireland |
| 18 Nov | 59.9 | Girolamo Grimaldi † | Cardinal, Cardinal-Priest of S. Balbina |
| 20 Nov | 79.7 | Francesco Frosini † | Archbishop of Pisa, Italy |
| 27 Nov | 65.8 | Onofrio Elisei † | Bishop of Orvieto, Italy |
| 2 Dec | 69.3 | Sinibaldo Doria † | Cardinal, Archbishop of Benevento, Italy |
| 2 Dec | 72.0 | Jan Skarbek † | Archbishop of Lviv, Ukraine |
| 6 Dec | 55.3 | Ignatius Franciscus Ladislaus Mednyanszky † | Titular Bishop of Leuce |
| 17 Dec | 57.0 | Jan Feliks Szaniawski † | Bishop of Chełm, Poland |
| 31 Dec | 45.6 | Bartolomeo Castelli † | Bishop of Senigallia, Italy |