| Date | Age | Bishop | Title |
| unknown | | Antoine du Monastey (d’Alpiniac, Appiniac) † | Bishop of Aire, France |
| unknown | | Paolo Emilio Bruni † | Bishop of Nepi e Sutri, Italy |
| unknown | | Corrado Caracciolo † | Bishop of Ostuni, Italy |
| unknown | | Juan Bautista Garzón † | Bishop-Elect of Ossero (Osor), Croatia |
| unknown | 47.0 | Pietro Griffo † | Bishop of Forli, Italy |
| unknown | 66.0 | Gabriel Iban al-Qelai, O.F.M. † | Bishop of Nicosia, Cyprus |
| unknown | | William O’Ferral, O. Cist. † | Bishop of Ardagh (and Clonmacnois), Ireland |
| unknown | | Eugene O’Flanagan, O.P. † | Bishop of Achonry, Ireland |
| unknown | 30.0 | Andrea Pastore † | Bishop-Elect of Andria, Italy |
| unknown | | Jacques Ricoul, O.S.A. † | Auxiliary Bishop of Chartres, France |
| unknown | | Giovanni Francesco Setario † | Bishop of Avellino e Frigento, Italy |
| unknown | | Jacobelli Silvestri † | Bishop of Alatri, Italy |
| unknown | | Thomas † | Bishop of Aire, France |
| unknown | | John Thoruten, O.S.B. † | Auxiliary Bishop of Canterbury, England, Great Britain |
| unknown | | Pedro Vaz Gaviso Velasci † | Bishop of Guarda, Portugal |
| 2 Jan | | Louis Pinelle † | Bishop Emeritus of Meaux, France |
| Feb | | Giovanni Francesco Salvino † | Bishop of Vieste, Italy |
| 17 Feb | 48.1 | François Louis Widebien (Widerien), O.P. † | Auxiliary Bishop of Thérouanne, France |
| 12 Mar | | Bernardo Lauri † | Bishop of Policastro, Italy |
| 18 Apr | 77.2 | Richard Mayew (Mayo) † | Bishop of Hereford, England, Great Britain |
| 25 Apr | | John Hatton † | Auxiliary Bishop of York, England, Great Britain |
| 27 May | | Peter Wolkow † | Bishop of Schwerin, Germany |
| Jun | | Guillaume Adhémar de Monteil † | Bishop of Saint-Paul-Trois-Châteaux, France |
| 9 Jun | 72.4 | Luis Mercader Escolano, O. Cart. † | Bishop of Tortosa, Spain |
| 21 Jun | | Martín Fernández de Angulo Saavedra y Luna † | Bishop of Córdoba, Spain |
| 18 Jul | 70.5 | Marco Vigerio della Rovere, O.F.M. Conv. † | Cardinal, Archbishop of Trani, Italy |
| 7 Aug | 41.5 | Federico Sanseverino † | Cardinal, Apostolic Administrator Emeritus of Novara, Italy |
| 15 Aug | 38.6 | Jacques de Croy, O.S.B. † | Bishop Emeritus of Cambrai, France |
| 22 Aug | | Guillermo Raimundo Centelles † | Bishop of Siracusa, Italy |
| Sep | 82.6 | Giacomo Gherardi † | Bishop of Aquino, Italy |
| 23 Sep | | Claude de Château-Vieux † | Archbishop Emeritus of Tarentaise (Moûtiers-en-Tarentaise), France |
| Oct | | Martín Zurbano de Azpeitia † | Bishop of Tuy, Spain |
| Dec | | Juan Laso de la Vega, O.S.A. † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Dec | | Miles Saley (Salley), O.S.B. † | Bishop of Llandaff, Wales, Great Britain |
| 4 Dec | | Ludwig Ebmer (Ebner) † | Bishop Emeritus of Chiemsee, Germany |
| 27 Dec | | Jacques d’Amboise † | Bishop of Clermont, France |