| Date | Age | Bishop | Title |
| unknown | 74.4 | Giovanni Battista Alagona † | Bishop of Siracusa, Italy |
| unknown | 84.3 | Orazio Berarducci † | Bishop of Bitonto, Italy |
| unknown | 80.1 | François-Mattieu Guasco † | Bishop of Sagone, France |
| unknown | | Guglielmo Stagno † | Auxiliary Bishop of Messina, Italy |
| unknown | | Giorgio Stassi † | Titular Bishop of Lampsacus |
| 21 Jan | | Anthony Coyle † | Bishop of Raphoe, Ireland |
| 26 Jan | 70.0 | Niccolò Sciarelli † | Bishop of Colle di Val d’Elsa, Italy |
| 1 Feb | 66.3 | Miguel Alvarez Cortez † | Bishop of Quito, Ecuador |
| 18 Feb | | Giuseppe Maria Scarampi † | Bishop of Vigevano, Italy |
| 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 |
| 13 Jul | 50.6 | Antoine-Félix de Leyris d'Esponchez † | Bishop of Perpignan-Elne, France |
| 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 | | Riccardo Capece Minutolo † | Bishop of Gaeta, Italy |
| 3 Sep | 62.7 | Hugh O'Reilly † | Bishop of Clogher, Ireland |
| 9 Sep | 70.9 | Pietro Boscarini † | Bishop of Città di Castello, Italy |
| 12 Sep | 47.5 | José González de Cándamo y Cauniego † | Auxiliary Bishop of San Cristobal de la Habana, Cuba |
| 7 Oct | | Pietro Craveri, O.F.M. † | Bishop of Galtelli-Nuoro, Italy |
| 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 (Setchoan), China |
| 13 Dec | 80.7 | Muzio Gallo † | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 19 Dec | 84.3 | Francesco Saverio de Zelada † | Cardinal, Archivist of the Vatican Secret Archives |
| 28 Dec | 58.5 | Giovanni Rinuccini † | Cardinal, Cardinal-Deacon of S. Giorgio in Velabro |
| 30 Dec | 80.4 | Filippo Maria Visconti † | Archbishop of Milano {Milan}, Italy |
| 31 Dec | 91.0 | Giuseppe Maria Capece Zurlo, Theat. † | Cardinal, Archbishop of Napoli {Naples}, Italy |