| Date | Age | Bishop | Title |
|---|
| unknown | | Gaspar de Andrada (Anorada), O.F.M. Obs. † | Bishop of Comayagua, Honduras |
| unknown | 56.0 | Maffeo Gambara † | Bishop of Tortona, Italy |
| unknown | | Bartolomeo Giorgi, O.F.M. † | Bishop of Pesaro, Italy |
| unknown | | Federico Mezio † | Bishop of Termoli, Italy |
| unknown | 42.0 | Giovanni Francesco Murta (de Mirto), C.R. † | Bishop of Aleria, France |
| unknown | | Salvador Ribera Avalos, O.P. † | Bishop of Quito, Ecuador |
| unknown | | Jacques Rusconi † | Bishop of Nebbio, France |
| unknown | | Gómez Suárez Figueroa † | Bishop of Cádiz, Spain |
| unknown | | Usimbardo Usimbardi † | Bishop of Colle di Val d’Elsa, Italy |
| 5 Jan | | Jean Martin † | Bishop of Périgueux (Vesuna), France |
| 19 Jan | | Francesco Simonetta † | Bishop of Foligno, Italy |
| 24 Jan | 57.8 | Honoré du Laurens † | Archbishop of Embrun, France |
| 28 Jan | 25.0 | Silvestro Aldobrandini, O.S.Io.Hieros. † | Cardinal, Cardinal-Deacon of San Cesareo in Palatio |
| 1 Feb | 79.0 | Bl. Conor O’Devany, O.F.M. † | Bishop of Down and Connor, Ireland |
| 5 Feb | | Juan Tomás de Blanes, O.P. † | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| 17 Feb | 57.1 | Ernst von Bayern † | Archbishop-Elect of Köln {Cologne}, Germany |
| 22 Feb | 52.1 | Francisco García Guerra, O.P. † | Archbishop of México, Federal District |
| 4 Mar | 82.1 | Juan Vich Manrique de Lara † | Archbishop of Tarragona, Spain |
| 12 Mar | 66.5 | Lorenzo Bianchetti † | Cardinal, Cardinal-Priest of San Lorenzo in Panisperna |
| 22 Mar | 79.2 | Girolamo Provenzale † | Archbishop of Sorrento, Italy |
| 28 Mar | 76.2 | Geoffroy de Billy † | Bishop of Laon, France |
| 1 Apr | 70.2 | Celso Mancino, C.R.L. † | Bishop of Alessano, Italy |
| 12 Apr | | Ascanio Giacobazio (Giacovazzi) † | Bishop Emeritus of Anglona-Tursi, Italy |
| 19 Apr | 66.0 | Anne d’Escars de Givry (de Pérusse), O.S.B. † | Cardinal, Bishop of Metz, France |
| 26 Apr | 36.3 | Claude de Bellièvre † | Archbishop of Lyon, France |
| 11 May | | Clément Isnard † | Bishop Emeritus of Glandèves, France |
| 19 May | 76.2 | Gregorio Petrocchini, O.S.A. † | Cardinal, Cardinal-Bishop of Palestrina |
| 21 May | 53.3 | Karel Maes † | Bishop of Gent {Ghent, Gand}, Belgium |
| 13 Jun | | Gaspare Pasquali, O.F.M. Conv. † | Bishop of Rieti, Italy |
| 24 Jul | 68.2 | Ottavio Mirto Frangipani † | Archbishop of Taranto, Italy |
| 23 Aug | 53.6 | Girolamo di Porzia † | Bishop of Adria, Italy |
| 25 Aug | 36.6 | Antonio Maria Franceschini † | Bishop of Amelia, Italy |
| 12 Sep | 63.6 | Pedro Manso Zuñiga † | Bishop of Calahorra y La Calzada, Spain |
| 18 Sep | 42.7 | Charles von Lamberg † | Archbishop of Praha {Prague}, Czechia |
| 27 Sep | 52.7 | Alfonso Manrique † | Archbishop of Burgos, Spain |
| 27 Sep | | Carlo Trotti † | Bishop of Bagnoregio (Bagnorea), Italy |
| 2 Oct | 58.7 | Gregorio de Sanctis, C.R. † | Bishop of Belcastro, Italy |
| 8 Oct | | Camillo Borghese † | Archbishop of Siena, Italy |
| 13 Oct | | Dionigi Morelli † | Bishop of Ferentino, Italy |
| Nov | 69.8 | Andrés Bacallar † | Archbishop of Sassari, Italy |
| Nov | 59.8 | Angelo Baroni, O.P. † | Bishop of Chioggia, Italy |
| 7 Nov | 51.8 | Johann Konrad von Gemmingen † | Bishop of Eichstätt, Germany |
| 13 Nov | 77.8 | Jérôme de Langue, O.F.M. Obs. † | Bishop of (Saint-Lizier de) Couserans (or Conserans), France |
| 5 Dec | 52.9 | Ottavio Acquaviva d’Aragona (Sr.) † | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 24 Dec | | Pierre Le Saulnier, O.S.B. † | Bishop of Autun, France |
| 30 Dec | 57.9 | Domingos Torrado, O.S.A. † | Auxiliary Bishop of Goa, India |
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