| Date | Age | Bishop | Title |
| unknown | | Pietro Di Gennaro † | Bishop of Cava, Italy |
| unknown | | Daniel (O')Kearney † | Bishop of Limerick, Ireland |
| unknown | | Adelmo Gennaro Pignatelli † | Archbishop of Capua, Italy |
| unknown | | Giovan Filippo Leonardo Vitetti (Vitetta) † | Bishop of Castellaneta, Italy |
| 14 Jan | 78.3 | Michele M. Capece Galeota † | Archbishop of Capua, Italy |
| 8 Feb | 63.0 | Adam Dwerditsch † | Auxiliary Bishop of Wien, Austria |
| 8 Feb | 53.1 | Ermenold Piesport, O.S.B. † | Auxiliary Bishop of Fulda, Germany |
| 9 Feb | 50.5 | Pedro Ángel de Espiñeira, O.F.M. † | Bishop of Concepción, Chile |
| Mar | 71.2 | Francisco Pallás Faro, O.P. † | Vicar Apostolic of Fo-Kien, China |
| 1 Mar | 73.5 | Antonio Ludovico Antinori † | Archbishop Emeritus of Acerenza e Matera, Italy |
| 21 Mar | 65.6 | Juan Lorenzo Irigoyen Dutari † | Bishop of Pamplona, Spain |
| 28 Mar | 78.2 | Daniel O'Reilly † | Bishop of Clogher, Ireland |
| 23 May | 69.8 | Heinrich Joseph von Nitschke † | Auxiliary Bishop of Bamberg, Germany |
| 28 May | 67.5 | Anton Maria Martin Ritter von Stegner † | Auxiliary Bishop of Wien, Austria |
| 1 Jul | 68.1 | Carlo Gagliardi † | Bishop of Muro Lucano, Italy |
| 30 Sep | | Domenico Poltri † | Bishop of San Miniato, Italy |
| 3 Dec | 72.4 | James Grant † | Vicar Apostolic of Lowland District, Scotland, Great Britain |
| 16 Dec | 79.0 | Theophilus McCartan † | Bishop of Down and Connor, Ireland |
| 26 Dec | 72.9 | John Joseph Hornyold † | Vicar Apostolic of Midland District, England, Great Britain |
| 31 Dec | 82.6 | Leopold Maria Joseph Reichsgraf von Spaur † | Bishop of Brixen {Bressanone}, Italy |