| Date | Age | Bishop | Title |
| unknown | 79.4 | Gaspard Josephus Bottemanne † | Bishop of Haarlem, Netherlands |
| unknown | 66.3 | Bernardo Cozzucli (Cozzuoli) † | Bishop of Nicosia, Italy |
| unknown | 70.2 | Vincenzo di Giovanni † | Titular Bishop of Theodosiopolis |
| unknown | 77.0 | Mariano Palermo † | Bishop of Piazza Armerina, Italy |
| unknown | 52.5 | Gaetano Quattrocchi † | Bishop of Mazara del Vallo, Italy |
| unknown | 68.5 | Alessandro Toti † | Bishop of Colle di Val d’Elsa, Italy |
| unknown | 63.5 | Nicodario Vampa † | Archbishop of Urbino, Italy |
| unknown | 82.9 | Giuseppe Antonio Virdia, O.F.M. Conv. † | Bishop of Cariati, Italy |
| unknown | 71.9 | Matteo Zannoni † | Bishop of Šibenik (Knin), Croatia |
| 3 Jan | 67.0 | Tommaso Gomes de Almeida † | Bishop of Guarda, Portugal |
| 15 Jan | 69.4 | Lucido Maria Parocchi † | Cardinal, Chamberlain (Camerlengo) of the Apostolic Chamber |
| 16 Jan | 61.4 | Ramón Torrijos y Gómez † | Bishop of Badajoz, Spain |
| 22 Jan | 61.9 | Guido Corbelli, O.F.M. † | Bishop Emeritus of Cortona, Italy |
| 7 Feb | 68.8 | Etienne-Auguste-Joseph-Louis Bardou, M.E.P. † | Bishop of Coimbatore, India |
| 24 Feb | 54.9 | Boleslaw Hieronim Klopotowski † | Archbishop of Mohilev, Belarus |
| 5 Mar | 67.0 | John Bilsborrow † | Bishop of Salford, England, Great Britain |
| 15 Mar | 88.0 | Franz Wilhelm Cramer † | Auxiliary Bishop of Münster, Germany |
| 21 Mar | 68.0 | Ferdinando Capponi † | Archbishop of Pisa, Italy |
| 22 Mar | 76.7 | James Rogers † | Bishop Emeritus of Chatham, New Brunswick, Canada |
| 1 Apr | 67.0 | Antônio Cândido Alvarenga † | Bishop of Săo Paulo, Brazil |
| 27 Apr | 57.3 | Guglielmo Giustini † | Bishop of Recanati-Loreto, Italy |
| 1 May | 78.1 | Alphonse-Martin Larue † | Bishop Emeritus of Langres, France |
| 3 May | 73.2 | Bl. Edoardo Giuseppe Rosaz † | Bishop of Susa, Italy |
| 17 May | 68.6 | Louis Olivieri † | Bishop of Ajaccio, France |
| 27 May | 69.8 | Johann Baptist Assmann † | Bishop of Germany, Military |
| 6 Jun | 59.2 | Jean-Marie Crochet † | Bishop of Nagpur, India |
| 19 Jun | 71.2 | Herbert Vaughan † | Cardinal, Archbishop of Westminster, England, Great Britain |
| 5 Jul | 59.6 | Mariano Cidad y Olmos † | Bishop of Astorga, Spain |
| 9 Jul | 71.4 | Isidore Clut, O.M.I. † | Auxiliary Bishop of Athabaska, Alberta, Canada |
| 20 Jul | 59.5 | Frederick Francis Xavier Katzer † | Archbishop of Milwaukee, Wisconsin, USA |
| 20 Jul | 93.4 | Vincenzo Gioacchino Raffaele Luigi Pecci † | Pope (Roma {Rome}, Italy) |
| 17 Aug | 59.6 | Jacques-Denis Peyramale, M.E.P. † | Bishop-Elect of Coimbatore, India |
| 22 Aug | 64.4 | Louis-Callixte Lasserre, O.F.M. Cap. † | Vicar Apostolic Emeritus of Arabia, Yemen |
| 1 Sep | 58.0 | Sámuel Hetyey † | Bishop of Pécs, Hungary |
| 15 Sep | 77.7 | Charles-Constant Jolivet, O.M.I. † | Vicar Apostolic of Natal, South Africa |
| 11 Oct | 66.7 | Eugenio Carlo Valussi † | Bishop of Trento, Italy |
| 13 Oct | 62.4 | John Joseph Kain † | Archbishop of Saint Louis, Missouri, USA |
| 21 Oct | 65.3 | Amédée-Jean-Baptiste Latieule † | Bishop of Vannes, France |
| 2 Nov | 68.2 | Antonio Maria de Lorenzo † | Bishop Emeritus of Mileto, Italy |
| 3 Nov | 62.7 | Jean-Baptiste Brondel † | Bishop of Helena, Montana, USA |
| 5 Nov | 72.0 | Heinrich Brück (Brueck) † | Bishop of Mainz, Germany |
| 16 Nov | 69.0 | Etienne-Antoine-Alfred Lelong † | Bishop of Nevers, France |
| 24 Nov | 52.5 | Johann Baptist von Anzer, S.V.D. † | Vicar Apostolic of Southern Shantung {Scian-Ton Meridionale}, China |
| 9 Dec | 81.9 | Sebastián Herrero Espinosa de los Monteros † | Cardinal, Archbishop of Valencia, Spain |
| 13 Dec | 57.8 | Denis Mary Bradley † | Bishop of Manchester, New Hampshire, USA |
| 13 Dec | 61.9 | Francisco Sáenz de Urturi y Crespo, O.F.M. † | Archbishop Emeritus of Santiago de Cuba |
| 15 Dec | 37.3 | Maximilien Albert, S.M.A. † | Vicar Apostolic of Costa d’Oro {Gold Coast}, Ghana |