| Date | Age | Bishop | Title |
| unknown | 60.0 | Jean Dossat † | Prefect of French Guiana-Cayenne, Antilles |
| 15 Jan | 74.5 | Piotr Pawel Beniamin Szymański, O.F.M. Cap. † | Bishop of Janów Podlaski (Podlaska o Janów), Poland |
| 19 Jan | 70.5 | Ireneus Frederic Baraga † | Bishop of Sault Sainte Marie and Marquette, Michigan, USA |
| 19 Jan | 71.0 | Józef Twarowski † | Auxiliary Bishop of Janów Podlaski (Podlaska o Janów), Poland |
| 23 Jan | 62.0 | John Fennelly † | Vicar Apostolic of Madras, India |
| 23 Jan | 54.9 | Jean-Étienne Sémeria, O.M.I. † | Vicar Apostolic of Jaffna, Sri Lanka |
| 6 Feb | 70.9 | Antonio Herrán y Zaldúa † | Archbishop of Santafé en Nueva Granada, Colombia |
| 19 Feb | 60.0 | Joaquín Hernández y Herrero † | Bishop of Segorbe, Spain |
| 22 Feb | 67.5 | Justo Donoso Vivanco † | Bishop of La Serena, Chile |
| 23 Feb | 44.6 | Theophiel (Théophile) Verbist, C.I.C.M. † | Pro-Vicar Apostolic of Mongolia, China |
| 26 Feb | 82.5 | Juan Nepomuceno Cascallana y Ordóñez † | Bishop of Málaga, Spain |
| 1 Mar | 44.4 | Louis Bel, C.M. † | Vicar Apostolic of Abyssinia, Ethiopia |
| 18 Mar | 73.2 | Mathieu Nakkar † | Archbishop of Homs (-Hama-Nabk) (Syrian), Syria |
| 14 Apr | 94.8 | Hermann Anton Constantin Franz Sales Johann Nepomuk von Vicari † | Archbishop of Freiburg im Breisgau, Germany |
| 25 Apr | 85.7 | Johannes van Hooydonk † | Bishop Emeritus of Breda, Netherlands |
| 30 Apr | 66.0 | Sebastião Pinto do Rêgo † | Bishop of São Paulo, Brazil |
| 2 May | 64.3 | Mariano Fernández de Córdoba † | Bishop of La Paz, Bolivia |
| 12 May | 70.0 | Rudolf von Thysebaert † | Auxiliary Bishop of Olomouc, Czechia |
| 14 May | 57.3 | Tomás Aguirre † | Bishop of Guayaquil, Ecuador |
| 14 May | 56.0 | Girolamo d’Andrea † | Cardinal, Prefect Emeritus of the Congregation of the Index |
| 6 Jun | 81.8 | Sebastião da Anunciação Gomes de Lemos, O.C.D. † | Bishop Emeritus of Angola e Congo |
| 11 Jun | 90.7 | Luigi Maria Cardelli, O.F.M. Ref. † | Archbishop Emeritus of Izmir (Smirne), Turkey |
| 11 Jun | 78.4 | Giovanni Giorgio Topich, O.F.M. Obs. † | Bishop Emeritus of Shkodrë (Scutari), Albania |
| 13 Jun | 99.6 | Gaetano Benaglia † | Bishop of Lodi, Italy |
| 28 Jun | 53.8 | Camillo de’ Marchesi Bisleti † | Bishop of Tarquinia e Civitavecchia, Italy |
| 4 Jul | 51.2 | Henryk Ludwik Plater † | Auxiliary Bishop of Warszawa {Warsaw}, Poland |
| 12 Jul | 74.5 | Ignace Dachto (Destu, Sciattù) † | Bishop of Mardin (Chaldean), Turkey |
| 25 Aug | 81.9 | Ludwik Łętowski † | Titular Bishop of Ioppe |
| 28 Aug | 63.0 | Angelo Robino † | Archbishop of Siracusa, Italy |
| 3 Sep | 62.7 | Ponciano Arciniega † | Bishop of Mondoñedo, Spain |
| 5 Sep | 61.4 | Bernardo of St. Theresa (Giuseppe) Baccinelli, O.C.D. † | Vicar Apostolic of Verapoly, India |
| 22 Sep | 52.7 | Fortunato Maurizi † | Bishop of Veroli, Italy |
| 25 Sep | 65.2 | George Aloysius Carrell, S.J. † | Bishop of Covington, Kentucky, USA |
| 27 Sep | 54.2 | Paolo Dodmassei † | Bishop of Lezhë {Lesh, Alessio}, Albania |
| 2 Oct | 59.1 | Henry Damian Juncker † | Bishop of Alton, Illinois, USA |
| 5 Oct | 82.8 | Agustín Cecilio Gómez de Carpena y Bolio † | Titular Bishop of Olena |
| 7 Oct | 60.3 | Primo Calvo y López † | Bishop of Santiago de Cuba |
| 16 Oct | 64.5 | João da França Castro e Moura, C.M. † | Bishop of Porto, Portugal |
| 19 Oct | 75.7 | Balthasar Schitter † | Auxiliary Bishop of Salzburg, Austria |
| 30 Oct | 63.2 | Pietro Colli † | Bishop of Adria, Italy |
| 3 Nov | 39.0 | Joseph-Simon Theurel, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 13 Nov | 66.6 | Antoine Boutonnet † | Bishop of Guadeloupe et Basse-Terre, Antilles |
| 18 Nov | 53.2 | Gaetano Brinciotti † | Bishop of Bagnoregio (Bagnorea), Italy |
| 21 Nov | 80.9 | Guy Ignatius Chabrat, P.S.S. † | Coadjutor Bishop Emeritus of Bardstown, Kentucky, USA |
| 23 Nov | 69.9 | [Yosyf (Józef) Semashko (Siemaszko)] † | Archbishop |
| 24 Nov | 75.5 | György Girk † | Bishop of Pécs, Hungary |
| 4 Dec | 61.3 | Joseph-Martial Mouly, C.M. † | Vicar Apostolic of Northern Chi-Li {Ce-Li Settentrionale} o Pe-Kin, China |
| 8 Dec | 63.9 | Estefan El-Khazen (Gazeno) † | Archbishop of Damas (Maronite), Syria |
| 12 Dec | 72.6 | Giovanni Corti † | Bishop of Mantova, Italy |
| 14 Dec | 58.0 | Clemente de Jesús Munguía y Núñez † | Archbishop of Michoacán, México |
| 21 Dec | 44.5 | Manuel Antonio Palacios † | Bishop of Paraguay (o Ssma Assunzione) |
| 30 Dec | 73.1 | Pedro Barajas y Moreno † | Bishop of San Luis Potosí, México |
| 30 Dec | 73.3 | Louis-Marie-Edmond Blanquart de Bailleul † | Archbishop Emeritus of Rouen, France |
| 31 Dec | 63.2 | Luka Petrović † | Auxiliary Bishop-Elect of Zagreb, Croatia |