| Date | Age | Bishop | Title |
| unknown | | Giacomo Accarisi † | Bishop of Vieste, Italy |
| unknown | | Alessandro Argoli † | Bishop of Veroli, Italy |
| unknown | 42.0 | Giovanni de la Cruz, O.F.M. † | Bishop of Trivento, Italy |
| unknown | | Giovanni de Fossé † | Bishop of Castres, France |
| unknown | | Andrzej Gembicki † | Bishop of Lutsk (Łuck), Ukraine |
| unknown | | Edmund O’Dwyer † | Bishop of Limerick, Ireland |
| unknown | 65.0 | Vincenzo Rabatta † | Archbishop of Chieti, Italy |
| 5 Jan | 57.4 | Benedikt Orsini, O.F.M. † | Bishop of Lezhë {Lesh, Alessio}, Albania |
| 24 Jan | 70.1 | Richard Pauli-Stravius † | Auxiliary Bishop of Köln {Cologne}, Germany |
| Feb | | Pierre Camelin † | Bishop of Fréjus, France |
| 5 Feb | | Kaspar Münster, O. Carm. † | Auxiliary Bishop of Osnabrück, Germany |
| 21 Feb | | Esteban de Esmir † | Bishop of Huesca, Spain |
| 21 Mar | 70.2 | Jean-François de Gondi † | Archbishop of Paris, France |
| May | 55.3 | Franciszek Dołmat Isajkowski † | Bishop of Smoleńsk, Poland |
| 5 May | | Juan Garcilaso de la Vega † | Bishop of Guatemala (Santiago de Guatemala), Guatemala |
| 5 May | 75.3 | Thomas Walsh † | Archbishop of Cashel, Ireland |
| Jun | 68.4 | Blas Tineo Palacios, O. de M. † | Auxiliary Bishop of Granada, Spain |
| 8 Jul | 80.5 | Cristóbal de Torres, O.P. † | Archbishop of Santafé en Nueva Granada, Colombia |
| 16 Aug | 58.6 | Roberto Fontana † | Bishop of Modena, Italy |
| Sep | 52.7 | Muzio de Rosis † | Bishop of Teano, Italy |
| 8 Sep | 49.7 | Albert von Priamis † | Bishop of Lavant, Slovenia |
| Oct | 57.8 | Pompeo Mignucci, O.S.H. † | Bishop of Acquapendente, Italy |
| Oct | 38.8 | Thomas Tomassoni, O.P. † | Bishop of Umbriatico (Umbriaticum), Italy |
| 4 Oct | 49.8 | Marco Morosini † | Bishop of Brescia, Italy |
| 17 Oct | 60.1 | Claude D’Achey † | Archbishop of Besançon, France |
| 24 Oct | | Dionisio Bussotti, O.S.M. † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 5 Nov | | Francesco Carducci † | Bishop of Valva, Italy |
| 10 Nov | | Marcelo Lopez de Azcona † | Archbishop of México, Federal District |
| 26 Nov | 65.4 | Giovanni Battista Altieri (Sr.) † | Cardinal, Bishop of Todi, Italy |
| Dec | | Calanio della Ciaja † | Bishop of Nardò, Italy |
| Dec | | Louis de La Rochefoucauld † | Bishop of Lectoure, France |
| 11 Dec | | Pietro Frescobaldi † | Bishop of San Miniato, Italy |