| Date | Age | Bishop | Title |
|---|
| unknown | 84.3 | Orazio Berarducci † | Bishop of Bitonto, Italy |
| unknown | 63.1 | Salvatore Gonnelli † | Bishop of Venosa, Italy |
| unknown | 80.1 | François-Mattieu Guasco, O.F.M. † | Bishop of Sagone (Sagona), France |
| unknown | 73.9 | Ludwik Józef de Mathy † | Auxiliary Bishop of Poznań, Poland |
| unknown | 65.8 | Georgius Połubiński † | Auxiliary Bishop of Vilnius, Lithuania |
| unknown | 54.1 | Guglielmo Stagno † | Auxiliary Bishop of Messina, Italy |
| unknown | 88.8 | Giorgio Stassi † | Titular Bishop of Lampsacus |
| Jan | 82.2 | Giovanni Carsana † | Archbishop of Zadar (Zara), Croatia |
| 4 Jan | 75.7 | Florian Amand Janowski, O.S.B. † | Bishop of Tarnów, Poland |
| 21 Jan | | Anthony Coyle † | Bishop of Raphoe, Ireland |
| 22 Jan | | Matthew Lennan † | Bishop of Dromore, Ireland |
| 26 Jan | 70.0 | Niccolò Sciarelli † | Bishop of Colle di Val d’Elsa, Italy |
| 1 Feb | 66.3 | Miguel Álvarez Cortés † | Bishop of Quito, Ecuador |
| 18 Feb | 75.0 | Giuseppe Maria Scarampi † | Bishop of Vigevano, Italy |
| 22 Feb | 68.3 | Giuseppe Mormile, C.R. † | Titular Archbishop of Nazareth |
| 26 Feb | 63.8 | Salvator Giuseppe Mammeli † | Bishop-Elect of Alghero, 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 Accia and Mariana, France |
| 10 May | 63.2 | Teodozy Wislocki, O.S.B.M. † | Bishop of Suprasl (Ukrainian), Belarus |
| 25 May | 60.7 | Ferdinand Kindermann † | Bishop of Litoměřice, Czech Republic |
| 13 Jul | 50.6 | 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 | 63.6 | Isidoro Leggio † | Bishop of Umbriatico (Umbriaticum), Italy |
| 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 |
| Sep | 75.0 | Giovanni Battista Alagona † | Bishop of Siracusa, Italy |
| 3 Sep | 55.6 | Riccardo Capece Minutolo, O.S.B. † | 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 |
| 20 Sep | | John McElvoy † | Coadjutor Bishop-Elect of Raphoe, Ireland |
| 7 Oct | 75.2 | Pietro Craveri, O.F.M. † | Bishop of Galtelli-Nuoro (Galtelly Nori), 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 San Giorgio in Velabro |
| 30 Dec | 80.4 | Filippo Maria Visconti † | Archbishop of Milano {Milan}, Italy |
| 31 Dec | 91.0 | Giuseppe Maria Capece Zurlo, C.R. † | Cardinal, Archbishop of Napoli {Naples}, Italy |
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