| Date | Age | Bishop | Title |
| unknown | 75.0 | Giovanni Battista Alagona † | Bishop of Siracusa, Italy |
| unknown | | Giuseppe Maria Capece Zurlo † | Cardinal, Archbishop of Napoli {Naples}, Italy |
| unknown | 80.1 | François-Mattieu Guasco † | Bishop of Sagone, France |
| unknown | 75.8 | Jean-Joseph-Marie de Guernes † | Bishop of Aleria, France |
| unknown | | Riccardo Capece Minutolo † | Bishop of Gaeta, Italy |
| unknown | | Giuseppe Maria Scarampi † | Bishop of Vigevano, Italy |
| unknown | | Guglielmo Stagno † | Auxiliary Bishop of Messina, Italy |
| unknown | | François de Vareille † | Bishop of Gap, France |
| 1 Feb | 66.3 | Miguel Alvarez Cortez † | Bishop of Quito, Ecuador |
| 27 Feb | 76.0 | Manuel Joaquín Morón † | Bishop of Valladolid, Spain |
| 14 Mar | 66.1 | Ignacy Błażej Franciszek Krasicki † | Archbishop of Gniezno, Poland |
| 21 Apr | 71.3 | Augustin-René-Louis Le Mintier † | Bishop of Tréguier, France |
| 26 Apr | 50.8 | Joaquim Ferreira de Carvalho † | Bishop of São Luís do Maranhão, Brazil |
| May | 68.2 | Ignace-François de Joannis de Verclos † | Bishop of Acci and Mariana, France |
| 10 May | 63.2 | Teodozy Wislocki, O.S.Bas. † | Bishop of Foreign Diocese |
| 25 May | 60.7 | Ferdinand Kindermann † | Bishop of Litomĕrice, Czech Republic |
| 18 Jul | 54.5 | Maria José a Santo Tomas, O.P. † | Prelate of Mozambico, Mozambique |
| 29 Jul | 44.6 | Max Franz (Maximilian Franciscus) von Habsburg-Lothringen (Österreich) † | Archbishop of Köln {Cologne}, Germany |
| 3 Aug | 82.0 | Francisco Fabián y Fuero † | Archbishop Emeritus of Valencia, Spain |
| 26 Aug | 80.3 | Pierre-Louis de Leyssin † | Archbishop of Embrun, France |
| 3 Sep | 62.7 | Hugh O'Reilly † | Bishop of Clogher, Ireland |
| 12 Sep | 47.5 | José González de Cándamo y Cauniego † | Auxiliary Bishop of San Cristobal de la Habana, Cuba |
| 10 Oct | 61.2 | Diego Santamaría Cevallos, O.F.M. † | Bishop of Santa Marta, Colombia |
| 31 Oct | 74.2 | Jean-Marie Cuchot d'Herbain † | Auxiliary Bishop Emeritus of Trier, Germany |
| 15 Nov | 58.8 | Jean-Didier de Saint Martin, M.E.P. † | Vicar Apostolic of Se-Ciuen, China |
| 13 Dec | 80.7 | Muzio Gallo † | Cardinal, |
| 19 Dec | 84.3 | Francesco Saverio de Zelada † | Cardinal, Archivist of the Vatican Secret Archives |
| 28 Dec | 58.5 | Giovanni Rinuccini † | Cardinal, Priest of the Roman Curia - Other |