| Date | Age | Bishop | Title |
| unknown | 69.9 | Giacinto Magliuolo † | Bishop of Acerra, Italy |
| 3 Jan | 81.7 | Paul-Matthieu de La Foata † | Bishop of Ajaccio, France |
| 21 Jan | 70.0 | Americo Ferreira dos Santos Silva † | Cardinal, Bishop of Porto, Portugal |
| 22 Jan | 85.3 | Domenico Ramaschiello † | Bishop of Sant’Agata de’ Goti, Italy |
| 29 Jan | 85.0 | Salvatore Giovanni Battista Bolognesi, C.O. † | Bishop of Belluno e Feltre, Italy |
| 29 Jan | 72.9 | Giacinto Rossi, O.P. † | Bishop of Luni, Sarzana e Brugnato, Italy |
| 3 Feb | 82.8 | William O’Hara † | Bishop of Scranton, Pennsylvania, USA |
| 9 Feb | 70.4 | Mariano Gavasci, O.F.M. Cap. † | Bishop Emeritus of Norcia, Italy |
| 16 Feb | 73.1 | Noël-Mathieu-Victor-Marie Gaussail † | Bishop of Perpignan-Elne, France |
| 26 Feb | 54.6 | John Vertin † | Bishop of Sault Sainte Marie and Marquette, Michigan, USA |
| 1 Mar | 63.3 | Jaime Catalá y Albosa † | Bishop of Barcelona, Spain |
| 9 Mar | 62.5 | Eugenio Clari † | Bishop of Viterbo e Tuscania, Italy |
| 9 Mar | 76.1 | Federico Maria Galdi † | Bishop of Andria, Italy |
| 23 Mar | 73.6 | Jean-Emile Fonteneau † | Archbishop of Albi, France |
| 27 Mar | 73.8 | James Duggan † | Bishop of Chicago, Illinois, USA |
| Apr | 46.5 | Joannes Ohannessian † | Bishop of Ancira (Angora) (Armenian), Turkey |
| 13 Apr | 59.0 | Jean-Baptiste-Hippolyte Sarthou, C.M. † | Vicar Apostolic of Northern Chi-Li {Ce-Li Settentrionale} o Pe-Kin, China |
| 15 Apr | 78.1 | Agostino Bausa, O.P. † | Cardinal, Archbishop of Firenze {Florence}, Italy |
| 17 Apr | 54.9 | John Ambrose Watterson † | Bishop of Columbus, Ohio, USA |
| 23 Apr | 60.6 | Domenico (Daniele) Tempesta, O.F.M. † | Bishop of Troia, Italy |
| 26 Apr | 71.9 | Nicola (Francisco Saverio) Contieri, O.Bas. † | Archbishop Emeritus of Gaeta, Italy |
| 26 Apr | 91.7 | Ignazio Selitti † | Bishop Emeritus of Melfi e Rapolla, Italy |
| 1 May | 72.3 | Stephan Bedros X Azarian † | Patriarch of Cilicia (Armenian), Lebanon |
| 6 May | 79.4 | Philipp Krementz † | Cardinal, Archbishop of Köln {Cologne}, Germany |
| 9 May | 65.7 | Giuseppe Maria delli Guidelli Guidi † | Archbishop Emeritus of Modena (e Nonantola), Italy |
| 17 May | 75.4 | Augustinus Accoramboni † | Titular Archbishop of Heliopolis in Phoenicia |
| 1 Jun | 68.5 | Pierre-Paul Durieu, O.M.I. † | Bishop of New Westminster, British Columbia, Canada |
| 4 Jun | 48.2 | Joseph-Gabriel Adamo † | Archbishop of Kerkūk (Chaldean), Iraq |
| 16 Jun | 74.3 | Guillaume-Marie-Romain Sourrieu † | Cardinal, Archbishop of Rouen, France |
| 19 Jun | 72.1 | Buenaventura del Purísimo Corazón de María Portillo y Tejeda, O.F.M. † | Bishop of Zacatecas, México |
| 25 Jun | 55.4 | Franziskus von Paula Schönborn † | Cardinal, Archbishop of Praha {Prague}, Czech Republic |
| 8 Jul | 53.2 | Jose Alejandro Peralta † | Bishop of Panamá |
| 11 Jul | 93.4 | Teodolfo Mertel † | Cardinal, Deacon of the Roman Curia - Other |
| 19 Jul | 79.1 | Giovanni Battista Nogáll † | Auxiliary Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 23 Jul | 82.0 | Konštantín Schuster † | Bishop of Vác, Hungary |
| 29 Jul | 66.6 | Thomas Albert Andrew Becker † | Bishop of Savannah, Georgia, USA |
| Aug | 76.6 | Giuseppe Cavaliere † | Bishop of Crotone (Cotrone), Italy |
| 10 Aug | 52.6 | Jean-Baptiste Simon, S.J. † | Vicar Apostolic of Kiangnan, China |
| 10 Aug | 67.3 | Isidoro Verga † | Cardinal, Cardinal-Bishop of Albano |
| 11 Aug | 73.6 | Géraud-Marie Soubrier † | Bishop Emeritus of Oran, Algeria |
| 21 Aug | 48.4 | Filippo Castracane degli Antelminelli † | President Emeritus of Pontifical Ecclesiastical Academy, Roman Curia |
| 21 Aug | 58.3 | Hermann Joseph Schmitz † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 27 Aug | 82.0 | Prosper-Marie Billère † | Bishop of Tarbes, France |
| Sep | 69.0 | Petrus Antonius Antivari † | Auxiliary Bishop of Udine, Italy |
| 1 Sep | 73.3 | Louis-Taurin Cahagne, O.F.M. Cap. † | Vicar Apostolic of Galla, Ethiopia |
| 5 Sep | 60.4 | Jean-Baptiste Decrolière † | Bishop of Namur {Namen}, Belgium |
| 6 Sep | 69.1 | Jean-Baptiste Frérot † | Bishop of Angoulême, France |
| 7 Sep | 74.8 | Vincenzo Salvatore † | Bishop of Gravina e Irsina, Italy |
| 22 Sep | 62.5 | Jean-Benoît Chouzy, M.E.P. † | Prefect of Kuamsi, China |
| 24 Sep | 74.5 | Paulus Palásthy † | Auxiliary Bishop of Esztergom, Hungary |
| 25 Sep | 71.5 | Salvatore Nappi † | Archbishop Emeritus of Conza e Campagna, Italy |
| 5 Oct | 68.5 | Juan José Baldivia Morales † | Bishop of La Paz, Bolivia |
| 17 Oct | 73.7 | Amand-Joseph Fava † | Bishop of Grenoble, France |
| 20 Oct | 65.6 | Bernabé García Cezón, O.P. † | Vicar Apostolic Emeritus of Central Tonking {Tonkino Centrale}, Viet Nam |
| 25 Oct | 73.7 | Grgur Rajčević † | Archbishop of Zadar (Zara), Croatia |
| 28 Oct | 75.7 | François-Louis Fleck † | Bishop of Metz, France |
| 31 Oct | 62.2 | Tiberio Durante † | Bishop of Potenza e Marsico Nuovo, Italy |
| Nov | 71.6 | Giovanni Nepomuceno Glavina † | Bishop Emeritus of Trieste e Capodistria (Koper), Italy |
| 1 Nov | 73.5 | John Baptist Butt † | Bishop Emeritus of Southwark, England, Great Britain |
| 2 Nov | 70.8 | Paul Leopold Haffner † | Bishop of Mainz, Germany |
| 3 Nov | 83.2 | Louis Joseph Mary Theodore De Goesbriand † | Bishop of Burlington, Vermont, USA |
| 6 Nov | 72.1 | Audishu V (Georges Ebed-Iesu) Khayyath † | Patriarch of Babylon {Babilonia} (Chaldean), Iraq |
| 18 Nov | 71.4 | Pelayo González y Conde † | Bishop of Cuenca, Spain |
| 22 Nov | 57.1 | Étienne-Joseph-Frédéric Tanoux † | Bishop of Martinique (Fort-de-France e Saint Pierre), Martinique, Antilles |
| 26 Nov | 80.1 | Szymon Marcin Kozłowski † | Archbishop of Mohilev, Belarus |
| 12 Dec | 68.5 | Salvatore Depau-Puddu † | Bishop of Ogliastra, Italy |
| 16 Dec | 73.2 | Francisco de Asís Aguilar y Serrat † | Bishop of Segorbe, Spain |