| Date | Age | Bishop | Title |
| unknown | 87.4 | Raimondo Fusco, O.F.M. Conv. † | Bishop of Monopoli, Italy |
| unknown | 60.6 | Antonio Luis Gaona, O.S. † | Titular Bishop of Olba |
| unknown | 79.0 | Stephanus Nagy † | Auxiliary Bishop of Esztergom, Hungary |
| unknown | 90.0 | Michele Pes † | Bishop of Ampurias e Civita, Italy |
| unknown | 77.1 | Luigi Trasmondi, O.S.B. † | Archbishop of Trani, Italy |
| 20 Jan | 75.5 | Fernando del Portillo y Torres, O.P. † | Archbishop of Santafé en Nueva Granada, Colombia |
| 26 Feb | 73.0 | Johann Nepomuk August Ungelter von Deisenhausen † | Auxiliary Bishop of Augsburg, Germany |
| 29 Feb | 70.6 | Ludovico Flangini Giovanelli † | Cardinal, Patriarch of Venezia {Venice}, Italy |
| 21 Mar | 78.1 | Gennaro Antonucci † | Bishop of Molfetta, Italy |
| 25 Mar | 77.1 | José Campos Julián, O.C.D. † | Archbishop of La Plata o Charcas, Bolivia |
| 8 Apr | 65.6 | Agustín Ayestarán Landa † | Bishop of Córdoba, Spain |
| 8 Apr | 41.1 | Luc-Jean-Baptiste Bailly † | Bishop of Poitiers, France |
| 14 Apr | 81.6 | Francisco Antonio de Lorenzana y Butrón † | Cardinal, Archbishop Emeritus of Toledo, Spain |
| 23 Apr | 80.7 | Rudolf Joseph von Edling † | Archbishop Emeritus of Gorizia (Görz), Italy |
| 17 May | 90.1 | Domenico Morelli † | Bishop Emeritus of Strongoli, Italy |
| 24 May | 63.6 | Francisco Javier Fita y Carrión (y Lafita) † | Bishop of Cuenca, Ecuador |
| 1 Jun | 69.2 | Franziskus von Paula Herzan von Harras † | Cardinal, Bishop of Szombathely, Hungary |
| 11 Jun | 77.7 | Joannes-Henricus von Frankenberg † | Cardinal, Archbishop Emeritus of Mechelen, Belgium |
| 18 Jun | 79.8 | Francisco Antonio de San Miguel Iglesia Cajiga, O.S.H. † | Bishop of Michoacán, México |
| 23 Jun | 58.5 | Giovanni Battista di Mandello, O.F.M. † | Vicar Apostolic of Shansi {Scian-Si} (Chan-Si), China |
| 6 Jul | 71.5 | Paul Dovanlia † | Bishop of Nicopoli, Bulgaria |
| 10 Jul | 46.9 | Thomas Gallarati Scotti † | Titular Bishop of Lares |
| 15 Jul | 69.7 | Giuseppe Bertieri, O.A.D. † | Bishop of Pavia, Italy |
| 17 Jul | 75.6 | Giacinto Amedeo Vagnone † | Bishop Emeritus of Alba (Pompea), Italy |
| 16 Aug | 75.9 | Niccolò Angelo Sagredo † | Bishop of Torcello (Turris), Italy |
| 22 Aug | 72.5 | Jean-de-Dieu-Raymond de Boisgelin de Cucè † | Cardinal, Archbishop of Tours, France |
| 24 Aug | 62.1 | Clemens Llocer † | Bishop of Ibiza, Spain |
| 22 Sep | 71.1 | Antonio Cresi † | Bishop of Ortona a Mare e Campli, Italy |
| 8 Oct | 68.4 | Marie-Joseph de Galard de Terraube † | Bishop of Le Puy-en-Velay, France |
| 11 Oct | 79.0 | Michal Mateusz Kosmowski, C.R.L. † | Auxiliary Bishop of Gniezno, Poland |
| 17 Oct | 63.5 | José Antonio García Mohedano † | Bishop of Guayana, Venezuela |
| 22 Oct | 72.8 | Ángel Mariano Moscoso Pérez y Oblitas † | Bishop of Córdoba (Tucumán), Argentina |
| 23 Oct | 77.7 | Giovanni Nani † | Bishop of Brescia, Italy |
| 2 Nov | 60.1 | Francesco Antonio Grillo, O.F.M. Conv. † | Bishop of Cassano all’Jonio, Italy |
| 16 Nov | 60.5 | Józef Miaskowski † | Bishop of Warszawa, Poland |
| 23 Nov | 73.0 | Stefano Borgia † | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 25 Nov | 61.0 | Jean-Baptiste-Marie de Maillé de la Tour-Landry † | Bishop of Rennes, France |
| 17 Dec | 72.9 | Louis-François-Marc Hilaire de Conzié † | Bishop of Arras, France |
| 28 Dec | 68.0 | Louis-André de Grimaldi † | Bishop Emeritus of Noyon, France |