| Date | Age | Bishop | Title |
| unknown | | Carlos de São José de Azevedo e Sousa † | Bishop of Guarda, Portugal |
| unknown | | Bernardo Bernardino Beltrão † | Bishop of Pinhel, Portugal |
| unknown | 70.1 | Juan Francisco Martínez Castrillón † | Bishop of Málaga, Spain |
| unknown | 63.4 | Bartholomeu de Martyribus Maya, O.C.D. † | Prelate of Mozambico, Mozambique |
| unknown | | James O'Shaughnessy † | Bishop of Killaloe, Ireland |
| unknown | 74.0 | Giovanni Franceso Toppia † | Bishop of Vigevano, Italy |
| 2 Jan | 51.4 | Manuel Bernardo Morete Bodelón † | Bishop of Astorga, Spain |
| 4 Jan | 79.5 | László Koszeghy von Romete † | Bishop of Csanád, Hungary |
| 14 Jan | 74.3 | André-Etienne-Antoine de Morlhon † | Archbishop of Auch, France |
| 29 Jan | 59.2 | Ambrose Maréchal, P.S.S. † | Archbishop of Baltimore, Maryland, USA |
| 31 Jan | 60.4 | Francisco Chachim, O.F.M. † | Bishop of Macau, China |
| 6 Feb | 72.3 | Francesco Serlupi-Crescenzi † | Cardinal, Cardinal-Priest of S. Prassede |
| 7 Feb | 80.5 | Alexander Cameron † | Vicar Apostolic Emeritus of Lowland District, Scotland, Great Britain |
| 2 Mar | 82.9 | Guillaume-Balthasar Cousin de Grainville † | Bishop of Cahors, France |
| 12 Mar | 58.8 | Gregorio Rodríguez Carrillo, O.S.Bas. † | Bishop of Cartagena, Colombia |
| 17 Mar | 74.2 | Charles Tuohy † | Bishop of Limerick, Ireland |
| 26 Mar | 58.1 | James Buckley † | Vicar Apostolic of Trinidad, Trinidad and Tobago, Antilles |
| 27 Mar | 73.8 | Paul-Ambroise Frère de Villefrancon † | Archbishop of Besançon, France |
| 6 Apr | | Augustin Hindi † | Archbishop of Diarbekir (Amida) (Chaldean), Turkey |
| 7 Apr | 68.5 | Ferdynand Ciechanowski, O.S.B.M. † | Bishop of Foreign Diocese |
| 14 Apr | | Nicola Coppola † | Bishop of Nola, Italy |
| 19 Apr | 87.5 | Carlo Francesco Maria Caselli, O.S.M. † | Cardinal, Bishop of Parma, Italy |
| 23 Apr | 61.1 | Tommaso Ronna † | Bishop of Crema, Italy |
| 2 May | 66.6 | Matthias Paulus Steindl † | Auxiliary Bishop of Wien {Vienna}, Austria |
| 18 Jun | 79.7 | Felix Graf von Stubenberg † | Auxiliary Bishop of Eichstätt, Germany |
| 10 Aug | 79.7 | Karl Franz von Lodron † | Bishop of Brixen {Bressanone}, Italy |
| 23 Aug | 79.5 | Franz Xaver Freiherr von Neveu † | Bishop of Basel, Switzerland |
| 1 Oct | 52.8 | Tomás Sala, O.P. † | Coadjutor Vicar Apostolic of Fo-Kien, China |
| 5 Oct | 70.5 | Jerónimo Fernandez de Castro Delgado, O.SS.T. † | Bishop of Albarracin, Spain |
| 26 Oct | 66.5 | Francesco Alciati † | Bishop of Casale Monferrato, Italy |
| 5 Nov | 63.1 | Joaquim de Meneses e Ataide, O.S.A. † | Bishop of Elvas, Portugal |
| 13 Nov | 72.7 | Giuseppe Spina † | Cardinal, Archbishop Emeritus of Genova, Italy |
| 5 Dec | 73.0 | Francesco Guidobono Cavalchini † | Cardinal, Priest of Roma {Rome}, Italy |
| 6 Dec | 78.7 | Timoteo Maria Ascensi, O.C.D. † | Bishop of Osimo e Cingoli, Italy |