| Date | Age | Bishop | Title |
| unknown | | Bonaventura Calcagnini † | Bishop of Penne-Atri, Italy |
| unknown | 84.3 | Michele Tafuri † | Bishop of Cava, Italy |
| 8 Feb | 80.4 | Alfonso Solís Grajera, O.S. † | Bishop of Badajoz, Spain |
| 19 Feb | 76.2 | Jerónimo Rogado de Carvalhal e Silva † | Bishop of Guarda, Portugal |
| 22 Feb | 80.1 | Joseph-Dominique de Cheylus † | Bishop of Bayeux, France |
| 26 Feb | 75.9 | Damian August Philipp Karl Reichsgraf von Limburg-Styrum † | Bishop of Speyer, Germany |
| 1 Mar | 73.8 | Franz de Paula Xaver Ludwig Jakob Fürst von Breuner † | Bishop of Chiemsee, Germany |
| 23 Mar | 71.1 | Francisco Cuadrillero Mota † | Bishop of Mondoñedo, Spain |
| 3 Apr | 68.8 | Juan Francisco Armada Araujo † | Bishop of Huesca, Spain |
| 17 May | 68.2 | Juan Antonio Gallego y Orbigo, O.F.M. † | Archbishop of Manila, Philippines |
| Jun | 79.4 | François-d'Etienne de Saint-Jean de Prunières † | Bishop of Grasse, France |
| 24 Jun | 69.8 | Eustaquio Azara, O.S.B. † | Bishop of Barcelona, Spain |
| 26 Jun | 49.7 | Michal Mateusz Stadnicki, O.S.B.M. † | Bishop of Foreign Diocese |
| 4 Jul | | Gerard Teaghan † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
| 4 Jul | | Gerard Teahan † | Bishop of Foreign Diocese |
| 18 Aug | 66.5 | Michelangelo Calandrelli, O.S.A. † | Bishop of Acerno, Italy |
| 27 Aug | 77.2 | José Gregorio Alonso de Ortigosa † | Bishop Emeritus of Antequera, Oaxaca, México |
| 5 Sep | 75.6 | Krysztof Hilary Szembek † | Bishop of Płock, Poland |
| 22 Sep | 73.3 | Juan Antonio de los Tueros † | Archbishop of Burgos, Spain |
| 11 Oct | 58.6 | Gregorio Jose de Omaña y Sotomayor † | Bishop of Antequera, Oaxaca, México |
| 17 Oct | 58.7 | Jean-François Hubert † | Bishop Emeritus of Québec, Québec, Canada |
| 17 Oct | 58.2 | Santiago Pérez Arenillas † | Bishop of Gerona, Spain |
| 25 Nov | 75.9 | Charles Walmesley, O.S.B. † | Vicar Apostolic of Western District, England, Great Britain |