| Date | Age | Bishop | Title |
| unknown | 74.0 | Baldassarre Bonifazio † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| unknown | | Sallustio Cherubini † | Bishop of Città Ducale, Italy |
| unknown | 38.0 | Scipione Costaguti † | Titular Archbishop of Cartagine |
| unknown | 49.0 | Giuseppe de Rossi, O.F.M. Conv. † | Bishop of Umbriatico (Umbriaticum), Italy |
| unknown | 45.0 | Giovanni Francesco Ferrari † | Bishop of Isola, Italy |
| unknown | | Girolamo Figini-Oddi † | Bishop of Teramo, Italy |
| unknown | | Fernando Heras Manrique † | Bishop-Elect of Calahorra y La Calzada, Spain |
| unknown | | Andrea Lanfranchi, C.R. † | Bishop of Ugento, Italy |
| unknown | | Tomás Manso, O.F.M. † | Bishop of Nicaragua |
| unknown | 67.0 | Giovanni Pusky † | Archbishop of Kalocsa, Hungary |
| unknown | | Jan Rakowski † | Auxiliary Bishop of Chelmno (Culma, Kulm), Poland |
| 14 Jan | 33.1 | Henri de Savoie-Nemours † | Former Archbishop-Elect of Reims, France |
| 21 Jan | 68.1 | Camillo Melzi † | Cardinal, Archbishop of Capua, Italy |
| Feb | 67.0 | Papirio Silvestri † | Bishop of Macerata e Tolentino, Italy |
| 2 Feb | 59.0 | François Servien † | Bishop of Bayeux, France |
| 26 Feb | 52.1 | Fabrizio Savelli † | Cardinal, Archbishop Emeritus of Salerno, Italy |
| 9 Mar | 66.8 | Deodato (Zanucca) Scaglia, O.P. † | Bishop of Alessandria (della Paglia), Italy |
| 12 Mar | | Antonio del Pezzo † | Archbishop of Sorrento, Italy |
| 17 Mar | 72.2 | Claude de Rebé † | Archbishop of Narbonne, France |
| 23 Mar | 68.2 | Miguel Ferrer † | Bishop of Tuy, Spain |
| 4 Apr | 52.2 | Giovanni Girolamo Lomellini † | Cardinal, Cardinal-Priest of Sant’Onofrio |
| 6 Apr | 76.2 | Luigi Capponi † | Cardinal, Archbishop Emeritus of Ravenna, Italy |
| 26 Apr | 61.3 | Pedro Olginat de Medicis, O. Carm. † | Bishop-Elect of Orihuela, Spain |
| 16 May | 65.7 | Dominique Séguier † | Bishop Emeritus of Meaux, France |
| 18 May | 64.3 | François de Robles † | Bishop of Ypres (Ieper), Belgium |
| Jun | | Francesco Caetani † | Bishop of Sarsina, Italy |
| 4 Jun | 72.4 | Francesco Biglia † | Bishop of Pavia, Italy |
| 5 Jun | 68.4 | Diego López de la Vega † | Bishop of Coria, Spain |
| 23 Jun | 70.4 | Giovanni Delfino † | Bishop Emeritus of Belluno, Italy |
| 24 Jun | 45.4 | Pál Hoffmann † | Bishop of Pécs, Hungary |
| 29 Jun | 80.4 | Alfonso Mendes, S.J. † | Patriarch of Ethiopia |
| 20 Jul | | Charles-Emmanuel de Gorrevod † | Archbishop-Elect of Besançon, France |
| 22 Jul | 60.5 | Filippo Casoni † | Bishop of Borgo San Donnino, Italy |
| 23 Jul | 63.4 | François Hallier † | Bishop of Cavaillon, France |
| Aug | | Fabio Magnesi † | Bishop of Ostuni, Italy |
| Aug | 59.5 | Ottaviano Prati † | Bishop of Bertinoro, Italy |
| 13 Aug | 83.6 | Lorenzo Horta Rodríguez † | Bishop of Yucatán (Mérida), México |
| 14 Aug | 67.6 | Prospero Caffarelli † | Cardinal, Cardinal-Priest of San Callisto |
| 3 Sep | 79.6 | Francisco Garcia Mendes, S.J. † | Archbishop of Cranganore (Angamala), India |
| 14 Sep | 61.7 | Juan Pérez de Vega (López de Vega) † | Bishop of León, Spain |
| 20 Sep | 50.1 | Simone Rau e Requesens † | Bishop of Patti, Italy |
| 21 Sep | 52.7 | Robert Cupif † | Bishop of Dol, France |
| Oct | 66.7 | Agostino de’ Belli (Bellis), C.R. † | Bishop of Sora, Italy |
| Oct | | Ascanio Maffei † | Archbishop of Urbino, Italy |
| 1 Oct | 59.2 | Bl. Juan de Palafox y Mendoza † | Bishop of Osma, Spain |
| 6 Oct | 61.7 | Clément de Bonzi † | Bishop of Béziers, France |
| 10 Oct | 67.7 | Christophe de France † | Bishop of Saint-Omer, France |
| 17 Nov | 71.8 | Gian Antonio Paravicini † | Archbishop of Santa Severina, Italy |
| Dec | | Francisco de Godoy † | Bishop of Trujillo, Peru |
| 5 Dec | | Pedro Manero, O.F.M. Obs. † | Bishop of Tarazona, Spain |
| 31 Dec | 66.0 | Bl. Alain de Solminihac, O.S.A. † | Bishop of Cahors, France |
| 31 Dec | 59.8 | Pacifico Trasi (Trani), O.F.M. Obs. † | Bishop of Cagli, Italy |