| Date | Age | Bishop | Title |
| unknown | 60.5 | Antonio Luis Gaona, O.S. † | Titular Bishop of Olba |
| unknown | 85.6 | Francesco Mercati † | Bishop of Cefalonia e Zante, Greece |
| unknown | | Symeon Stefan Młocki (Młotskyi), O.S.B.M. † | Bishop Emeritus of Volodymyr (Włodzimierz) et Brėst (Ukrainian) |
| unknown | 72.8 | Juan de Moya de la Torre, O.F.M. Obs. † | Bishop Emeritus of Osma, Spain |
| unknown | 89.9 | Michele Pes † | Bishop of Ampurias e Civita, Italy |
| unknown | 77.0 | Luigi Trasmondi, O.S.B. † | Archbishop of Trani, Italy |
| 20 Jan | 75.4 | Fernando del Portillo y Torres, O.P. † | Archbishop of Santafé en Nueva Granada, Colombia |
| 26 Jan | 72.9 | Johann Nepomuk August Ungelter von Deisenhausen † | Auxiliary Bishop of Augsburg, Germany |
| 29 Feb | 70.5 | Ludovico Flangini Giovanelli † | Cardinal, Patriarch of Venezia {Venice}, Italy |
| 4 Mar | 74.8 | [François-Louis Lemercier] † | Bishop Emeritus of [Ariège (Constitutional), France] |
| 9 Mar | 71.5 | Porifiriusz Skarbek-Ważyński, O.S.B.M. † | Bishop of Chełm and Bełz (Ukrainian), Poland |
| 15 Mar | 86.5 | [Augustin-Jean-Charles Clément] † | Bishop Emeritus of [Seine-et-Oise (Constitutional), France] |
| 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 |
| 30 Mar | 78.0 | [Étienne Nogaret] † | Bishop Emeritus of [Lozère (Constitutional), France] |
| 8 Apr | 65.5 | Agustín Ayestarán y Landa † | Bishop of Córdoba, Spain |
| 8 Apr | 41.0 | Luc-Jean-Baptiste Bailly † | Bishop of Poitiers, France |
| 17 Apr | 81.5 | 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 |
| 9 May | 73.0 | Domenico de Iorio (Jorio) † | Titular Bishop of Samaria |
| 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 | 69.1 | František de Paula Hrzán z Harasova † | 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 Iglesia Cajiga, O.S.H. † | Bishop of Michoacán, México |
| 25 Jun | 58.4 | Giovanni Battista di Mandello, O.F.M. Obs. † | Vicar Apostolic of Hukwang, Shansi [Shanxi], and Shensi [Shaanxi], China |
| 6 Jul | 71.5 | Paul Dovanlia † | Bishop of Nicopoli, Bulgaria |
| 10 Jul | 46.9 | Tommaso Gallarati Scotti † | Auxiliary Bishop of Milano {Milan}, Italy |
| 15 Jul | 69.6 | Giuseppe Bertieri, O.A.D. † | Bishop of Pavia, Italy |
| 5 Aug | 78.6 | István Nagy † | Auxiliary Bishop of Esztergom, Hungary |
| 16 Aug | 75.9 | Niccolò Angelo Sagredo † | Bishop of Torcello (Turris), Italy |
| 22 Aug | 72.4 | Jean-de-Dieu-Raymond de Boisgelin de Cucé † | Cardinal, Archbishop of Tours, France |
| 24 Aug | 62.0 | Climent Llocer † | Bishop of Ibiza, Spain |
| 22 Sep | 71.0 | Antonio Cresi † | Bishop of Ortona a Mare e Campli, Italy |
| 8 Oct | 68.3 | 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 |
| 11 Oct | 72.0 | Ángel Mariano Moscoso Pérez y Oblitas † | Bishop of Córdoba (Tucumán), Argentina |
| 17 Oct | 63.4 | José Antonio García Mohedano † | Bishop of Guayana, Venezuela |
| 23 Oct | 77.6 | Giovanni Nani † | Bishop of Brescia, Italy |
| 2 Nov | 59.9 | 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 | 72.9 | Stefano Borgia † | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 25 Nov | 60.9 | Jean-Baptiste-Marie de Maillé de la Tour-Landry † | Bishop of Rennes, France |
| 14 Dec | 45.9 | Paolo Moretti † | Vicar Apostolic of Sweden |
| 17 Dec | 72.9 | Louis-François-Marc-Hilaire de Conzié † | Bishop of Arras, France |
| 28 Dec | 68.0 | Louis-André de Grimaldi † | Bishop of Noyon, France |