| Date | Age | Bishop | Title |
| unknown | | Camillo Baldi † | Bishop of Nicotera, Italy |
| unknown | | György Drašković † | Bishop of Pécs, Hungary |
| unknown | 43.0 | Raphael Levacovich, O.F.M. Obs. † | Archbishop of Achrida (Ochrida), Bulgaria |
| unknown | 57.0 | Angelo Melchiori (Melchiorre) † | Bishop of Castellaneta, Italy |
| unknown | | Jan Pac † | Former Bishop-Elect of Wenden (Windau), Poland |
| unknown | 49.0 | Ottavio Poderico † | Bishop of Umbriatico (Umbriaticum), Italy |
| unknown | | Gregorius Sepozrinski † | Auxiliary Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 21 Jan | 50.0 | Marin Ibrišimović, O.F.M. Obs. † | Bishop of Beograd {Belgrade}, Serbia |
| 27 Jan | 55.0 | Marko Bandulavić (Bandonus), O.F.M. Obs. † | Apostolic Administrator of Moldova |
| 13 Feb | | Ercole Rangoni † | Archbishop of Conza, Italy |
| 25 Feb | 70.1 | Bartolomé González Soltero † | Bishop of Santiago de Guatemala |
| 28 Feb | 66.1 | Johann Hasius von Lichenfeld † | Prefect of Lausitz (Lusatia), Germany |
| Mar | | Andrea Caputo † | Bishop of Lettere (-Gragnano), Italy |
| Mar | | Diego Requeséns † | Bishop of Mazara del Vallo, Italy |
| 8 Mar | 71.1 | Antonio Tornielli † | Bishop of Novara, Italy |
| 1 Apr | 68.2 | Johann Nikolaus Claessens † | Auxiliary Bishop of Münster, Germany |
| 1 Apr | 67.2 | Andrzej Szołdrski † | Bishop of Poznań, Poland |
| 9 Apr | 52.2 | Gaspare Mattei † | Cardinal, Cardinal-Priest of Santa Cecilia |
| 19 Apr | 65.2 | Boetius Egan, O.F.M. Obs. † | Bishop of Elphin, Ireland |
| 20 Apr | 77.3 | David Rothe † | Bishop of Ossory, Ireland |
| 23 Apr | 74.2 | Jerónimo Domín Funes, O. Carm. † | Bishop of Gaeta, Italy |
| 2 May | 87.3 | Jerónimo Fernando † | Bishop of Funchal, Portugal |
| 21 May | | Boetius Egan, O.F.M. † | Bishop of Ross, Ireland |
| 30 May | 60.2 | Pedro (de Santiago) Anglada Sánchez, O.A.R. † | Bishop of Lérida, Spain |
| 8 Jun | 66.4 | Niccolò Sacchetti † | Bishop of Volterra, Italy |
| 19 Jun | 75.4 | Augustin Potier de Blancmesnil † | Bishop of Beauvais, France |
| 20 Jun | 79.4 | Alessandro Scappi † | Bishop of Piacenza, Italy |
| 26 Jun | 66.4 | Paolo Coccapani † | Bishop of Reggio Emilia, Italy |
| 27 Jun | 54.4 | Mario Theodoli † | Cardinal, Bishop Emeritus of Imola, Italy |
| Aug | | Agostino Candido † | Bishop of Lipari, Italy |
| Aug | | Dionysius Odriscol, O.F.M. Obs. † | Archbishop of Brindisi, Italy |
| 5 Aug | | Francesco Maria Abbiati, C.R.L. † | Bishop of Bobbio, Italy |
| 16 Aug | 56.2 | Cesare Monti † | Cardinal, Archbishop of Milano {Milan}, Italy |
| 1 Sep | 54.6 | Etienne Via † | Titular Bishop of Cyrene |
| 11 Sep | 61.6 | Joachim d’Estaing † | Bishop of Clermont, France |
| 13 Sep | 72.9 | Ferdinand von Bayern † | Archbishop-Elect of Köln {Cologne}, Germany |
| 17 Sep | 50.7 | Heber MacMahon (McMahon) † | Bishop of Clogher, Ireland |
| Oct | 70.7 | Miguel Avellán, O.F.M. Obs. † | Auxiliary Bishop of Toledo, Spain |
| Oct | 59.7 | Gennaro Filomarino, C.R. † | Bishop of Calvi Risorta, Italy |
| Oct | 63.7 | Giovanni Paolo Savio † | Bishop of Adria, Italy |
| 3 Oct | 58.7 | Louis Dinet † | Bishop of Mâcon, France |
| 5 Oct | | Alessandro Vittrici † | Bishop Emeritus of Alatri, Italy |
| 7 Oct | 33.8 | Antonio de Aragón-Córdoba-Cardona y Fernández de Córdoba † | Cardinal, Cardinal-Deacon |
| 15 Oct | | Marc'Antonio Verità † | Bishop of Ossero (Osor), Croatia |
| 4 Nov | 66.7 | Jacques Camus de Poutcarré † | Coadjutor Bishop of Sées {Séez}, France |
| 5 Nov | 60.8 | Juan de Orta y Moreno † | Bishop of Orihuela, Spain |
| 6 Dec | | Agustín de Ugarte y Sarabia † | Bishop of Quito, Ecuador |
| 12 Dec | 70.9 | Juan de Mañozca y Zamora † | Archbishop of México, Federal District |