| Date | Age | Bishop | Title |
| unknown | 103.4 | Agnello Giuseppe d’Auria † | Bishop of Nocera de’ Pagani, Italy |
| unknown | | Manuel Ángel del Prado Cárdenas † | Archbishop of La Plata o Charcas, Bolivia |
| unknown | 73.8 | Domenico-Maria-Giuseppe Lo Jacono, C.R. † | Bishop of Agrigento (Girgenti), Italy |
| unknown | 57.1 | Pasquale de Lucia † | Bishop of Gerace, Italy |
| unknown | 84.1 | Giovanni Saba † | Archbishop of Oristano, Italy |
| unknown | 61.8 | Nicola Sterlini † | Bishop of Calvi e Teano, Italy |
| 1 Jan | 84.2 | Marie-Joseph-François-Victor Monyer de Prilly † | Bishop of Châlons, France |
| 5 Jan | 48.8 | St. John Nepomucene Neumann, C.SS.R. † | Bishop of Philadelphia, Pennsylvania, USA |
| 12 Jan | 63.7 | Martinus Johannes Niewindt † | Vicar Apostolic of Curaçao, Netherlands Antilles, Antilles |
| 2 Feb | 53.9 | François-Xavier Danicourt, C.M. † | Vicar Apostolic of Chekiang {Ce-Kiam}, China |
| 7 Feb | 87.1 | Giovanni Giuseppe Cappellari † | Bishop of Vicenza, Italy |
| 7 Feb | 49.8 | Alessandro Csajàghy † | Bishop of Csanád, Hungary |
| 8 Feb | 76.8 | Martino Orsino (Ursino) † | Bishop of Patti, Italy |
| 11 Feb | 75.9 | Luigi Laterza † | Bishop of Crotone (Cotrone), Italy |
| 21 Feb | 68.8 | Richard Pius Miles, O.P. † | Bishop of Nashville, Tennessee, USA |
| 29 Feb | | Michael Blake † | Bishop of Dromore, Ireland |
| 9 Mar | 82.4 | Adalbert von Pechmann † | Auxiliary Bishop of Passau, Germany |
| 5 May | 77.7 | Charles-Jean de la Motte de Broons et de Vauvert † | Bishop of Vannes, France |
| 5 May | 56.2 | John Charles Prince † | Bishop of Saint-Hyacinthe, Québec, Canada |
| 15 May | 60.6 | Michele Viale-Prelà † | Cardinal, Archbishop of Bologna, Italy |
| 7 Jun | 74.7 | Paulus Augustus Foscolo † | Titular Patriarch of Alexandria {Alessandria} |
| 11 Jun | 54.6 | Louis-Martin Porchez † | Bishop of Martinique (Fort-de-France e Saint Pierre), Martinique, Antilles |
| 20 Jun | 67.7 | Anthony Blanc † | Archbishop of New Orleans, Louisiana, USA |
| 11 Jul | 102.5 | Antonio Cerezano Camarena † | Archbishop-Elect of Santo Domingo, Dominican Republic |
| 31 Jul | 59.8 | St. Giustino Sebastiano Pasquale de Jacobis, C.M. † | Vicar Apostolic of Abyssinia, Ethiopia |
| 6 Aug | 84.4 | Pablo García Abella, C.O. † | Archbishop of Valencia, Spain |
| 9 Aug | 85.8 | Ignaz Heinrich von Wessenberg † | Vicar Apostolic Emeritus of Konstanz {Constance}, Germany |
| 13 Sep | 65.6 | Gabriele Ferretti † | Cardinal, Secretary Emeritus of the Secretariat of State |
| 17 Sep | 50.0 | Bernhard Bogedain † | Auxiliary Bishop of Wrocław (Breslau), Poland |
| 30 Sep | 90.1 | Vincenzo Macchi † | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 9 Oct | 55.6 | Pierre-Louis Coeur † | Bishop of Troyes, France |
| 12 Oct | 72.3 | Henry Hughes, O.F.M. † | Vicar Apostolic Emeritus of Gibraltar |
| 27 Oct | | Giorgio Labella, O.F.M. † | Archbishop Emeritus of Durrës (Durazzo), Albania |
| 6 Nov | 64.6 | Dominique-Augustin Dufêtre † | Bishop of Nevers, France |
| 25 Nov | 82.6 | Attilio Fiascaini † | Bishop of Arezzo, Italy |
| 3 Dec | 83.6 | Bl. Johann Nepomuk von Tschiderer zu Gleitheim † | Bishop of Trento, Italy |
| 6 Dec | 57.9 | Paul-Armand-Ignace-Anaclet Cardon de Garsignies † | Bishop of Soissons (-Laon), France |
| 14 Dec | 51.7 | Francesco Gaude, O.P. † | Cardinal, Priest of Order of Friars Preachers |
| 15 Dec | 95.3 | Philibert de Bruillard † | Bishop Emeritus of Grenoble, France |
| 20 Dec | 55.7 | Jean-Baptiste-Amédée Georges-Massonnais † | Bishop of Périgueux (-Sarlat), France |
| 29 Dec | 73.9 | Romualdo Antônio de Seixas Barroso † | Archbishop of São Salvador da Bahia, Brazil |