| Date | Age | Bishop | Title |
| unknown | | Manuel Cerón † | Bishop of Cartagena, Colombia |
| unknown | | Stephen Fennelly † | Vicar Apostolic of Madras, India |
| unknown | 68.7 | Ludovico Ideo, O.P. † | Bishop of Lipari, Italy |
| unknown | 76.2 | Bernardino Trionfetti, O.F.M. † | Bishop of Terracina, Priverno e Sezze, Italy |
| 13 Jan | 72.0 | Louis-Anne Dubreil † | Archbishop of Avignon (-Apt, Cavaillon, Carpentras, Orange, e Vaison), France |
| 23 Jan | 76.0 | Antonio Maria Fanìa † | Bishop of Potenza e Marsico Nuovo, Italy |
| 25 Mar | 66.0 | Joseph-Auguste Chevalier, M.E.P. † | Vicar Apostolic of Mysore, India |
| 12 Apr | 83.9 | Thomas Joseph Brown, O.S.B. † | Bishop of Newport and Menevia, Wales, Great Britain |
| 14 Apr | 55.4 | Anthony Dominic Ambrose Pellicer † | Bishop of San Antonio, Texas, USA |
| 18 May | 64.6 | Louis-Edouard-François-Desiré Pie † | Cardinal, Bishop of Poitiers, France |
| 11 Jun | 71.1 | Francisco de Paula Moreno y Andreu † | Bishop of Teruel (-Albarracín), Spain |
| 1 Jul | 65.9 | Bernardo Conde Corral, O. Praem. † | Bishop of Zamora, Spain |
| 30 Jul | 73.3 | Francesco Saverio Apuzzo † | Cardinal, Archbishop of Capua, Italy |
| 27 Aug | 59.0 | John Baptist Scandella † | Vicar Apostolic of Gibraltar, Gibraltar |
| Oct | | William O’Carroll, O.P. † | Coadjutor Archbishop of Port of Spain, Trinidad and Tobago, Antilles |
| 1 Oct | 71.1 | Félix-Joseph-François-Barthélemy de Las Cases † | Bishop Emeritus of Constantine (-Hippone), Algeria |
| 5 Oct | 64.0 | Pierre-Anastase Pichenot † | Archbishop of Chambéry, France |
| 6 Oct | 52.7 | Marie-Ludovic Roche † | Bishop of Gap, France |
| 14 Oct | 63.6 | Bartolomeo Pacca, Jr. † | Cardinal, Priest of the Roman Curia - Other |
| 17 Nov | 77.5 | Joseph Ponsot, M.E.P. † | Vicar Apostolic of Yünnan, China |
| 28 Nov | 43.2 | Aires de Ornelas de Vasconcelos † | Archbishop of Goa, India |
| 23 Dec | 80.2 | Vincenzo d'Alfonso † | Bishop of Penne-Atri, Italy |
| 29 Dec | 67.9 | Valentin Wiery † | Bishop of Gurk, Austria |