| Date | Age | Bishop | Title |
| unknown | 82.2 | Gaetano Maria Avarna † | Bishop of Nicosia, Italy |
| unknown | 59.8 | José da Assunção † | Bishop of Lamego, Portugal |
| unknown | 84.1 | Vitale Loschi † | Bishop of Parma, Italy |
| unknown | 66.7 | Manuel Isidoro Perez Sánchez † | Bishop Emeritus of Antequera, Oaxaca, México |
| 3 Jan | 77.3 | Andreas Stanislaus von Hattynski (Hatten) † | Bishop of Warmia, Poland |
| 12 Jan | 68.3 | Jacinto Rodríguez Rico † | Bishop of Cuenca, Ecuador |
| 16 Jan | 86.2 | Gregor Tarkovic (Tarkovits) † | Bishop of Prešov (Prjašev) (Byzantine), Slovakia |
| 2 Feb | 85.2 | Ramón María Adurriaga Uribe † | Bishop of Avila, Spain |
| 13 Feb | 75.2 | Salvador Jiménez Padilla † | Bishop of Popayán, Colombia |
| 15 Feb | 79.0 | Romualdo de Souza Coelho † | Bishop of Belém do Pará, Brazil |
| 16 Feb | 87.0 | Mateo Delgado Moreno † | Bishop of Badajoz, Spain |
| 19 Feb | 84.2 | Mathias Le Groing de La Romagère † | Bishop of Saint-Brieuc, France |
| 19 Feb | 58.7 | Antonio Piatti † | Titular Patriarch of Antiochia {Antioch}, Syria |
| 16 Mar | 69.4 | Juan Francisco Marco y Catalán † | Cardinal, Priest of the Roman Curia - Other |
| 8 Apr | 79.6 | Charles-Louis Salmon du Châtelier † | Bishop of Evreux, France |
| 25 Apr | 80.5 | Antonio Domenico Gamberini † | Cardinal, Bishop Emeritus of Orvieto, Italy |
| 26 Apr | 83.2 | Franz Ignaz von Streber † | Auxiliary Bishop of München und Freising {Munich}, Germany |
| 4 May | 76.4 | Domenico Novi Ciavarria † | Bishop of Avellino, Italy |
| 20 Jun | 65.4 | Ignacy Ludwik Pawlowski † | Archbishop of Mohilev, Belarus |
| 12 Jul | 80.1 | John Baptist Mary David, P.S.S. † | Bishop Emeritus of Bardstown, Kentucky, USA |
| 12 Jul | 62.7 | Franz Xaver von Schwäbl † | Bishop of Regensburg, Germany |
| 21 Jul | 83.9 | Louis de Belmas † | Bishop of Cambrai, France |
| 17 Aug | 56.4 | Carlo Odescalchi, S.J. † | Priest of Society of Jesus |
| 30 Aug | 70.9 | Friedrich Klemens Freiherr von Ledebur † | Bishop of Paderborn, Germany |
| 6 Sep | 54.3 | Louis-Robert Paysant † | Bishop of Angers, France |
| 14 Sep | 55.6 | Ignaz Bernhard Mauermann † | Vicar Apostolic of Foreign Vicariate |
| 24 Oct | 55.1 | Franz Anton Gindl † | Bishop of Gurk, Austria |
| 13 Nov | 73.5 | Pierre-Marie Cottret † | Bishop of Beauvais, France |
| 25 Nov | 71.8 | Guillaume-Aubin de Villèle † | Archbishop of Bourges, France |
| 26 Nov | 92.1 | Jean Brumault de Beauregard † | Bishop Emeritus of Orléans, France |
| 12 Dec | 76.6 | Denis-Antoine-Luc de Frayssinous † | Titular Bishop of Hermopolis Maior |
| 18 Dec | 68.3 | Giuseppe della Porta Rodiani † | Cardinal, Auxiliary Bishop of Roma {Rome}, Italy |
| 27 Dec | | Andrzej Benedykt Klangiewicz † | Bishop of Vilnius, Lithuania |
| 28 Dec | 74.6 | Augustin-Louis de Montblanc † | Archbishop of Tours, France |