| Date | Age | Bishop | Title |
|---|
| unknown | 62.9 | Scipione Ardoino Alcontres, C.R. † | Archbishop of Messina, Italy |
| unknown | 62.8 | Giuseppe Cacace † | Bishop of Monopoli, Italy |
| unknown | 72.5 | Pietro Di Gennaro † | Bishop of Cava, Italy |
| unknown | 83.7 | Francesco Guidi † | Archbishop of Pisa, Italy |
| unknown | 49.3 | Adelmo Gennaro Pignatelli † | Archbishop of Capua, Italy |
| unknown | 45.1 | Francesco Luserna Rorengo di Rorà † | Archbishop of Torino {Turin}, Italy |
| unknown | 63.3 | Giuseppe de Rossi † | Archbishop of Brindisi, Italy |
| unknown | 51.6 | Giovanni Battista Filippo Tenderini † | Bishop of Anagni, Italy |
| unknown | | Giovan Filippo Leonardo Vitetti (Vitetta) † | Bishop of Castellaneta, Italy |
| 14 Jan | 78.3 | Michele Maria Capece Galeota † | Archbishop of Capua, Italy |
| 24 Jan | | Daniel (O')Kearney † | Bishop of Limerick, Ireland |
| 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 |
| 1 Mar | 73.5 | Antonio Ludovico Antinori, C.O. † | Archbishop Emeritus of Acerenza e Matera, Italy |
| 6 Mar | 71.3 | Francisco Pallás y Faro, O.P. † | Vicar Apostolic of Fo-Kien, China |
| 21 Mar | 65.6 | Juan Lorenzo Irigoyen Dutari † | Bishop of Pamplona, Spain |
| 28 Mar | 78.2 | Daniel O'Reilly † | Bishop of Clogher, Ireland |
| 7 May | | Peter O'Donnellan † | Bishop of Clonfert, Ireland |
| 11 May | 77.1 | Armand Bazin de Bezons † | Bishop of Carcassonne, France |
| 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 |
| 9 Aug | | Felice Antonio Bianchi † | Auxiliary Bishop of Modena, Italy |
| 18 Aug | | Augustine Cheevers, O.S.A. † | Bishop of Meath, Ireland |
| 3 Sep | 73.9 | Antonio De Cumis † | Bishop of Catanzaro, Italy |
| 30 Sep | 70.9 | Domenico Poltri † | Bishop of San Miniato, Italy |
| 1 Oct | 70.2 | Gaetano Fantuzzi † | Cardinal, Cardinal-Priest of S. Pietro in Vincoli |
| 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 |
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