| Date | Age | Bishop | Title |
| unknown | 66.2 | Igino Bandi † | Bishop of Tortona, Italy |
| unknown | 61.0 | Alfonso Bermyn, C.I.C.M. † | Vicar Apostolic of Southwestern Mongolia {Mongolia Occiduo-Meridionale}, China |
| unknown | 87.5 | Carlo Bertuzzi † | Bishop Emeritus of Foligno, Italy |
| unknown | 67.0 | Konstantyn Czechowicz † | Bishop of Przemyśl (Ukrainian), Poland |
| unknown | 76.7 | Giovanni Maria Diamare † | Bishop of Sessa Aurunca, Italy |
| unknown | 67.0 | Matthias Dvornik † | Archbishop Emeritus of Zadar (Zara), Croatia |
| unknown | 65.8 | Giuseppe Izzo † | Bishop of Cava e Sarno, Italy |
| unknown | 79.5 | Petrus Leyten † | Bishop of Breda, Netherlands |
| unknown | 81.3 | Carlo Mola, C.O. † | Bishop Emeritus of Foggia, Italy |
| unknown | | Antonio Padovani † | Auxiliary Bishop of Cremona, Italy |
| unknown | 56.5 | Giacomo Maria Radini-Tedeschi † | Bishop of Bergamo, Italy |
| unknown | | Nicola Schoenig, S.V.D. † | Prefect of Togo |
| unknown | 65.6 | Salvatore Tolu † | Archbishop of Oristano, Italy |
| 1 Jan | 66.0 | Jules-Basile Kandelaft † | Vicar Apostolic of Le Caire {Cairo} (Syrian), Egypt |
| 2 Jan | 63.0 | Everhard Illigens † | Auxiliary Bishop of Münster, Germany |
| 7 Jan | 73.1 | Juan Antonio Ruano Martín † | Bishop of Lérida, Spain |
| 18 Jan | 60.1 | Andrea Fiore † | Bishop of Cuneo, Italy |
| 19 Jan | 69.1 | William Turner † | Bishop of Galloway, Scotland, Great Britain |
| 20 Jan | 49.1 | José de Jesús Guzmán y Sánchez † | Bishop of Ciudad Victoria-Tamaulipas, Tamaulipas, México |
| 26 Jan | 62.8 | Matthew Makil † | Vicar Apostolic of Kottayam (Syro-Malabarese), India |
| 31 Jan | 74.1 | Casimiro Gennari † | Cardinal, Prefect of the Congregation of the Council |
| 9 Feb | 78.9 | Luis Felipe Ortiz y Gutiérrez † | Bishop of Zamora, Spain |
| 13 Feb | 67.1 | James Dominic Murray, O.S.A. † | Vicar Apostolic of Cooktown, Australia |
| 19 Feb | 74.2 | Pierre-Emile Rouard † | Bishop of Nantes, France |
| 27 Feb | 81.7 | Johannes Baptist Katschthaler † | Cardinal, Archbishop of Salzburg, Austria |
| 3 Mar | 72.4 | Heinrich Hubert Aloysius Voß (Voss) † | Bishop of Osnabrück, Germany |
| 4 Mar | 48.1 | Louis-Jean-Joseph Derouet, C.S.Sp. † | Vicar Apostolic of Lower French Congo {Congo Francese Inferiore} |
| 4 Mar | 76.6 | Georg von Kopp † | Cardinal, Bishop of Wrocław, Poland |
| 11 Mar | 54.3 | Paul Pellet, S.M.A. † | Vicar Apostolic Emeritus of Costa di Benin, Nigeria |
| 28 Mar | 55.6 | Robert Fraser † | Bishop of Dunkeld, Scotland, Great Britain |
| 6 Apr | 74.1 | Jacques Roissant † | Auxiliary Bishop of Nicopoli, Bulgaria |
| 10 Apr | 73.1 | Karl Ernst Schrod † | Auxiliary Bishop of Trier, Germany |
| 21 Apr | 72.6 | Matías Linares y Sanzetenea † | Bishop of Salta, Argentina |
| 26 Apr | 80.0 | Giorgio Posilovic † | Archbishop of Zagreb, Croatia |
| 2 May | 54.9 | Manuel Rivera y Muñoz † | Bishop of Querétaro, Querétaro, México |
| 30 May | 71.1 | Matthew Gaughren, O.M.I. † | Vicar Apostolic of Kimberley in Orange, South Africa |
| 6 Jun | 60.0 | Francisco de Pol y Baralt † | Bishop of Gerona, Spain |
| 25 Jun | 49.0 | Joseph Félix François Malleret, C.S.Sp. † | Bishop of Martinique (Fort-de-France e Saint Pierre), Martinique, Antilles |
| 4 Jul | 65.2 | Manuel Torres y Torres † | Bishop of Plasencia, Spain |
| 5 Jul | 64.8 | Charles-Joseph-Louis-Abel Gilbert † | Bishop Emeritus of Le Mans, France |
| 25 Jul | 78.1 | François-Xavier Corbet (Corbey), C.S.Sp. † | Vicar Apostolic of Diégo-Suarez, Madagascar |
| 29 Jul | 83.3 | Petrus Pace † | Bishop of Malta |
| 31 Jul | 68.5 | Giovanni Battista Lugari † | Cardinal, Priest of Roma {Rome}, Italy |
| 3 Aug | 66.8 | Joseph-Emile Abbet, C.R.A. † | Abbot of Saint-Maurice, Switzerland |
| 3 Aug | 82.9 | Geremia Bonomelli † | Bishop of Cremona, Italy |
| 20 Aug | 79.2 | St. Giuseppe Melchiorre Sarto † | Pope (Roma {Rome}, Italy) |
| 22 Aug | 64.9 | Francisco Simón y Ródenas, O.F.M. Cap. † | Bishop Emeritus of Santa Marta, Colombia |
| 5 Sep | 61.3 | Aloys Schaefer † | Vicar Apostolic of Saxonia (Saxony), Germany |
| 22 Sep | 87.2 | Valerio Laspro † | Archbishop of Salerno (-Acerno), Italy |
| 6 Oct | 53.3 | Fulgentius Antonio Torres, O.S.B. † | Abbot of New Norcia, Australia |
| 7 Oct | 73.4 | Louis-François Sueur † | Archbishop Emeritus of Avignon (-Apt, Cavaillon, Carpentras, Orange, e Vaison), France |
| 10 Oct | 67.6 | Domenico Ferrata † | Cardinal, Secretary of the Secretariat of State |
| 15 Oct | 71.1 | Michael Francis Howley † | Archbishop of Saint John’s, Newfoundland, Canada |
| 25 Oct | 76.7 | Prosper-Amable Berthet † | Bishop of Gap, France |
| 7 Nov | 59.7 | Heinrich Vieter, S.A.C. † | Vicar Apostolic of Cameroun |
| 18 Nov | 79.2 | Domenico Pugliatti † | Bishop of Bova, Italy |
| 24 Nov | 65.8 | Aristide Cavallari † | Cardinal, Patriarch of Venezia {Venice}, Italy |
| 1 Dec | 69.8 | François-Virgile Dubillard † | Cardinal, Archbishop of Chambéry, France |
| 5 Dec | 86.5 | Angelo Di Pietro † | Cardinal, Datary of the Apostolic Datary |
| 8 Dec | 60.2 | Henri-Raymond Villard † | Bishop of Autun (-Châlon-sur-Saône-Mâcon), France |
| 15 Dec | 69.9 | Koloman Belepotoczky † | Bishop Emeritus of Austria, Military |
| 25 Dec | 59.4 | Pierre-Firmin Capmartin † | Bishop of Oran, Algeria |
| 27 Dec | 73.3 | Patrick William Riordan † | Archbishop of San Francisco, California, USA |