| Date | Age | Bishop | Title |
| unknown | 85.0 | Antoine Etienne Aconcius Köver, C.A.M. † | Titular Archbishop of Siunia |
| 21 Jan | 76.3 | Karl Friedrich von Wendt † | Auxiliary Bishop of Hildesheim, Germany |
| 6 Feb | 74.1 | John Connolly, O.P. † | Bishop of New York, New York, USA |
| 14 Feb | 65.2 | Leopoldo Corigliano † | Bishop Emeritus of Nardň, Italy |
| 2 Mar | 69.1 | Francesco Antonio Mondelli † | Bishop of Cittŕ di Castello, Italy |
| 12 Mar | 71.9 | Felipe Montoya Díez † | Bishop of Teruel, Spain |
| 18 Mar | 70.1 | Ferdinand Hermann Maria von Lüninck † | Bishop of Münster, Germany |
| 18 Mar | 73.0 | Giuseppe Maria Tedeschi † | Archbishop of Brindisi, Italy |
| 5 Apr | 64.2 | Carlo Maria Lenzi, Sch. P. † | Bishop of Lipari, Italy |
| 5 Apr | 73.4 | Feliks Łukasz Lewiński † | Bishop of Janów Podlaski (Podlaska o Janów), Poland |
| 9 Apr | 59.3 | Stanislao Mossa † | Bishop of Ampurias e Civita, Italy |
| 11 Apr | 61.2 | Desiderio Mennone, C.SS.R. † | Bishop of Lacedonia, Italy |
| 22 Apr | 79.9 | Sigismund Ernst von Hohenwart, O.S.A. † | Bishop of Linz, Austria |
| 24 Apr | 61.1 | Petrus Pustett † | Bishop of Eichstätt, Germany |
| 25 Apr | 79.9 | Antoni de Gołaszewski † | Bishop of Przemyśl, Poland |
| 6 May | 69.4 | Agostino Albergotti † | Bishop of Arezzo, Italy |
| 8 May | 69.2 | Antón Mákay † | Bishop of Veszprém, Hungary |
| 13 May | 77.4 | Etienne-Marie de Boulogne † | Bishop of Troyes, France |
| 19 May | 82.5 | Etienne-Célestin Enoch † | Bishop Emeritus of Rennes, France |
| 29 May | 70.0 | Filippo Ambrosi † | Bishop of Montalto (delle Marche), Italy |
| 5 Jun | 44.5 | Angelo Maria Ficcarelli (Ficarelli) † | Bishop of Reggio Emilia, Italy |
| 29 Jun | 52.7 | Carlo Zen † | Apostolic Nuncio Emeritus to Switzerland |
| 13 Jul | 72.1 | Jean-Claude Leblanc de Beaulieu † | Bishop Emeritus of Soissons, France |
| 17 Jul | 88.3 | József Király † | Bishop of Pécs, Hungary |
| 23 Jul | 66.2 | Bernardo del Espíritu Santo Martínez y Ocejo, O.C.D. † | Bishop of Sonora, México |
| 25 Jul | 66.5 | André Molin † | Bishop of Viviers, France |
| 31 Jul | 67.6 | Pietro Carlo Ciani † | Bishop of Concordia (Sagittaria), Italy |
| 31 Jul | 68.5 | Nicolás García Jerez, O.P. † | Bishop of Nicaragua |
| 1 Aug | 82.1 | Antonio Lamberto Rusconi † | Cardinal, Bishop of Imola, Italy |
| 7 Aug | 51.2 | Martino Leonardo Brandaglia † | Bishop of Fiesole, Italy |
| 10 Aug | | Aloisio Gandolfi, C.M. † | Vicar Apostolic of Alep [Beroea, Halab], Syria |
| 11 Aug | 88.3 | Franz Egon von Fürstenberg † | Bishop of Hildesheim, Germany |
| 14 Aug | | Hugo O’Kelly † | Bishop of Dromore, Ireland |
| 12 Sep | 73.2 | Juan García Benito † | Archbishop Emeritus of Santiago de Compostela, Spain |
| 16 Sep | | Caspar Delenda † | Bishop of Santorini {Thira}, Greece |
| 17 Sep | 65.2 | Santiago Creus y Martí † | Archbishop of Tarragona, Spain |
| 30 Sep | 66.5 | Luis Gregorio López Castillo † | Auxiliary Bishop of Toledo, Spain |
| 3 Oct | 80.9 | Claude Simon † | Bishop of Grenoble, France |
| 12 Oct | 79.8 | Nicolas Malci † | Bishop of Lezhë {Lesh, Alessio}, Albania |
| 29 Oct | 69.1 | Juan Francisco Castańiza Larrea y Gonzalez de Agüero † | Bishop of Durango, México |
| 2 Nov | 66.0 | Giuseppe Crispino Mazzotti † | Bishop of Cervia, Italy |
| 20 Nov | 85.2 | Fortunado Pinto † | Archbishop of Salerno (-Acerno), Italy |
| 24 Nov | 70.1 | Giovanni Battista Lambruschini † | Bishop of Orvieto, Italy |
| 4 Dec | 62.8 | Joseph-Octave Plessis † | Archbishop of Québec, Canada |
| 10 Dec | 67.1 | Luigi Ercolani † | Cardinal, Cardinal-Priest of San Marco |
| 11 Dec | 64.0 | Manuel Nicolau de Almeida, O.C.D. † | Bishop of Angra, Portugal |
| 11 Dec | 71.6 | Flórián Kovács † | Bishop of Satu Mare {Szatmár}, Romania |
| 14 Dec | 66.7 | Carlos da Cunha e Menezes † | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal |
| 20 Dec | 82.9 | Tymoteusz Pawel von Gorzeński † | Archbishop of Gniezno e Poznań, Poland |