| Date | Age | Bishop | Title |
|---|
| unknown | | Louis François-Gabriel de Henin-Liétard † | Bishop of Alès (Alais), France |
| unknown | 70.0 | Patrick O'Donnelly † | Bishop Emeritus of Dromore, Ireland |
| unknown | | Bartolomeo Porzio † | Bishop of Cariati, Italy |
| 27 Jan | 68.4 | Ferdinando d'Adda † | Cardinal, Cardinal-Bishop of Albano |
| 10 Mar | 74.2 | Andrés Capero Agramunt, O. Carm. † | Bishop of Lugo, Spain |
| 22 Mar | 81.1 | José de Oliveira, O.S.A. † | Bishop Emeritus of Angola e Congo, Angola |
| 1 Apr | | Juan José de Llamas y Rivas, O.C. † | Bishop of Panamá |
| 14 Apr | 73.3 | Giovanni Francesco Maria Poggi † | Bishop of San Miniato, Italy |
| 8 May | 71.5 | Francisco a São Agostinho, T.O.R. † | Bishop of Santiago de Cabo Verde |
| 11 May | 67.4 | Kazimierz Łubieński † | Bishop of Kraków, Poland |
| 21 Jun | | Domingo de Valencia † | Bishop-Elect of Nueva Caceres, Philippines |
| 2 Jul | | Andrés Quiles Galindo, O.F.M. † | Bishop of León en Nicaragua |
| 20 Jul | 68.6 | Edouard Bargede † | |
| 26 Jul | 39.5 | Hyacinth Petit, O. Carm. † | Vicar Apostolic of Nordic Missions, Germany |
| 31 Jul | 52.6 | Pedro Mejorada, O.P. † | Bishop-Elect of Nueva Segovia, Philippines |
| 3 Aug | 67.5 | Johann Philipp Reichsfreiherr von Greifenclau zu Vollraths † | Bishop of Würzburg, Germany |
| 17 Aug | 42.0 | Giovanni Carafa † | Bishop of Nicastro, Italy |
| 10 Oct | 67.8 | Isidoro Bertrán García † | Archbishop of Tarragona, Spain |
| 24 Oct | 65.6 | José Díez Santos de San Pedro † | Bishop of Ciudad Rodrigo, Spain |
| 28 Oct | | Ennemond Alleman de Montmartin † | Bishop of Grenoble, France |
| 30 Nov | 86.0 | Heinrich Hartard Freiherr von Rollingen † | Bishop of Speyer, Germany |
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