| Date | Age | Bishop | Title | 
|---|
| unknown | 84.2 | Orazio Berarducci † | Bishop of Bitonto, Italy | 
| unknown | 73.8 | Ludwik Józef de Mathy † | Auxiliary Bishop of Poznań, Poland | 
| unknown | 65.6 | Georges Połubiński † | Auxiliary Bishop of Vilnius, Lithuania | 
| 4 Jan | 75.6 | Florian Amand Janowski, O.S.B. † | Bishop of Tarnów, Poland | 
| 22 Jan | 73.0 | Anthony Coyle † | Bishop of Raphoe, Ireland | 
| 22 Jan | 58.0 | Matthew Lennan † | Bishop of Dromore, Ireland | 
| 26 Jan | 70.0 | Niccolò Sciarelli † | Bishop of Colle di Val d’Elsa, Italy | 
| 31 Jan | 82.2 | Giovanni Carsana † | Archbishop of Zadar (Zara), Croatia | 
| 1 Feb | 66.2 | Miguel Álvarez Cortés † | Bishop of Quito, Ecuador | 
| 4 Feb | 88.4 | [Guillaume Besaucèle] † | Bishop of [Aude (Constitutional), France] | 
| 7 Feb | 62.9 | Serafino (Michelangelo) Vitale, O.S.B. † | Bishop of Minori, Italy | 
| 18 Feb | 74.9 | Giuseppe Maria Scarampi † | Bishop of Vigevano, Italy | 
| 22 Feb | 68.2 | Giuseppe Mormile, C.R. † | Titular Archbishop of Nazareth | 
| 26 Feb | 63.7 | Salvator Giuseppe Mammeli † | Bishop-Elect of Alghero, Italy | 
| 27 Feb | 75.9 | Manuel Joaquín Morón † | Bishop of Valladolid, Spain | 
| 14 Mar | 66.1 | Ignacy Błażej Franciszek Krasicki † | Archbishop of Gniezno, Poland | 
| 31 Mar | 54.3 | Guglielmo Stagno † | Auxiliary Bishop of Messina, Italy | 
| 13 Apr | 68.1 | [Pierre Suzor] † | Bishop Emeritus of [Indre-et-Loire (Constitutional), France] | 
| 21 Apr | 71.3 | Augustin-René-Louis Le Mintier † | Bishop of Tréguier, France | 
| 26 Apr | 50.7 | Joaquim Ferreira de Carvalho † | Bishop of São Luís do Maranhão, Brazil | 
| 1 May | 68.2 | Ignace-François de Joannis de Verclos † | Bishop of Accia and Mariana, France | 
| 7 May | 47.3 | Tobias Georg Ghebragzer † | Titular Archbishop of Adulis | 
| 10 May | 63.2 | Teodozy Wisłocki, O.S.B.M. † | Bishop of Supraśl (Ukrainian), Belarus | 
| 25 May | 60.6 | Ferdinand Kindermann von Schulstein † | Bishop of Litoměřice, Czechia | 
| 28 May | 59.7 | [Jean-Marie Jacob] † | Bishop of [Côtes-du-Nord (Constitutional), France] | 
| 13 Jul | 50.5 | Antoine-Félix de Leyris d’Esponchez † | Bishop of Perpignan-Elne, France | 
| 13 Jul | 76.5 | Carlo Santacolomba † | Prelate of Santa Lucia del Mela, Italy | 
| 18 Jul | 63.5 | Isidoro Leggio, C.Ss.R. † | Bishop of Umbriatico (Umbriaticum), Italy | 
| 18 Jul | 54.5 | Maria José a Santo Tomas, O.P. † | Prelate of Mozambico | 
| 27 Jul | 44.6 | Max Franz (Maximilian Franciscus) von Habsburg-Lothringen (Österreich) † | Archbishop of Köln {Cologne}, Germany | 
| 3 Aug | 81.9 | Francisco Fabián y Fuero † | Archbishop Emeritus of Valencia, Spain | 
| 26 Aug | 80.3 | Pierre-Louis de Leyssin † | Archbishop of Embrun, France | 
| Sep | 75.0 | Giovanni Battista Alagona † | Bishop of Siracusa, Italy | 
| 3 Sep | 55.5 | Riccardo Capece Minutolo, O.S.B. † | Bishop of Gaeta, Italy | 
| 9 Sep | 70.8 | Pietro Boscarini † | Bishop of Città di Castello, Italy | 
| 11 Sep | 60.1 | [Antoine Bouchier] † | Bishop of [Dordogne (Constitutional), France] | 
| 12 Sep | 47.5 | José González de Cándamo y Cauniego † | Auxiliary Bishop of San Cristobal de la Habana, Cuba | 
| 20 Sep |  | John McElvoy † | Coadjutor Bishop-Elect of Raphoe, Ireland | 
| 23 Sep | 63.8 | Salvatore Gonnelli † | Bishop of Venosa, Italy | 
| 7 Oct | 75.1 | Pietro Antonio Craveri, O.F.M. Obs. † | Bishop of Galtelli-Nuoro (Galtelly Nori), Italy | 
| 10 Oct | 61.2 | Diego Santamaría Cevallos, O.F.M. Obs. † | Bishop of Santa Marta, Colombia | 
| 31 Oct | 74.2 | Jean-Marie Cuchot d’Herbain † | Auxiliary Bishop Emeritus of Trier, Germany | 
| 3 Nov | 77.8 | Hugh O’Reilly † | Bishop of Clogher, Ireland | 
| 15 Nov | 58.8 | Jean-Didier de Saint Martin, M.E.P. † | Vicar Apostolic of Se-Ciuen (Setchoan, Szechwan, Sichuan), China | 
| 13 Dec | 80.6 | Muzio Gallo † | Cardinal, Bishop of Viterbo e Tuscania, Italy | 
| 19 Dec | 84.3 | Francesco Saverio de Zelada † | Cardinal, Archivist of the Vatican Secret Archive | 
| 28 Dec | 58.5 | Giovanni Rinuccini † | Cardinal, Cardinal-Deacon of San Giorgio in Velabro | 
| 30 Dec | 80.3 | Filippo Maria Visconti † | Archbishop of Milano {Milan}, Italy | 
| 31 Dec | 90.9 | Giuseppe Maria Capece Zurlo, C.R. † | Cardinal, Archbishop of Napoli {Naples}, Italy |