| Date | Age | Bishop | Title |
|---|
| unknown | 79.6 | Bonaventura Calcagnini † | Bishop of Penne e Atri, Italy |
| unknown | 57.2 | Angelo Maria (Giuseppe Caesar Augustus) Vassalli, O.S.B. † | Bishop of Massa Lubrense, Italy |
| unknown | 73.4 | Francesco Saverio de Vivo † | Bishop of Nusco, Italy |
| 14 Jan | 69.9 | [Pierre-Anastase Torné] † | Bishop Emeritus of [Cher (Constitutional), France] |
| 1 Feb | 75.5 | Ferdynand Onufry Kicki † | Archbishop of Lviv, Ukraine |
| 2 Feb | 51.0 | Mikeli Kryezezi (Criesesi) † | Bishop of Lezhë {Lesh, Alessio}, Albania |
| 8 Feb | 80.4 | Alonso de Solís Marroquín y Gragera, O.S. † | Bishop of Badajoz, Spain |
| 13 Feb | 64.9 | Giuseppe Rossi † | Titular Archbishop of Nicosia |
| 19 Feb | 76.1 | Jerónimo Rogado do 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 von Limburg-Styrum † | Bishop of Speyer, Germany |
| 1 Mar | 73.7 | Franz de Paula Xaver Ludwig Jakob von Breuner † | Bishop of Chiemsee, Germany |
| 23 Mar | 71.0 | Francisco Cuadrillero Mota † | Bishop of Mondoñedo, Spain |
| 3 Apr | 68.8 | Juan Francisco Armada Araujo † | Bishop of Huesca, Spain |
| 8 Apr | 75.7 | Salvatore Ventimiglia, C.O. † | Bishop Emeritus of Catania, Italy |
| May | 86.4 | Cornelio di San Giuseppe (Giuseppe) Reina, O.C.D. † | Bishop of Ispahan, Iran |
| 17 May | 68.1 | Juan Antonio Gallego y Orbigo, O.F.M. Disc. † | Archbishop of Manila, Philippines |
| 22 Jun | 72.6 | [Nicolas Philbert], C.M. † | Bishop of [Ardennes (Constitutional), France] |
| 24 Jun | 69.7 | Eustaquio Azara, O.S.B. † | Bishop of Barcelona, Spain |
| 26 Jun | 49.7 | Michal Mateusz Stadnicki, O.S.B.M. † | Bishop of Lutzk e Ostrog (Ukrainian), Ukraine |
| 4 Jul | 51.5 | Gerard Teahan (Teaghan) † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
| 17 Aug | 60.6 | Baltazar Jaime Martínez de Compañón † | Archbishop of Santafé en Nueva Granada, Colombia |
| 18 Aug | 66.5 | Michelangelo Calandrelli, O.E.S.A. † | Bishop of Acerno, Italy |
| 21 Aug | 57.5 | Grégoire Joseph Koudsi † | Archbishop of Jerusalem {Gerusalemme} (Syrian), Lebanon |
| 27 Aug | 77.2 | José Gregorio Alonso de Ortigosa † | Bishop Emeritus of Antequera, Oaxaca, México |
| 28 Aug | 86.9 | Giovanni Battista Coppola † | Bishop of Cassano all’Jonio, Italy |
| 5 Sep | 85.9 | [Pierre Pacareau] † | Bishop of [Gironde (Constitutional), France] |
| 5 Sep | 75.6 | Krysztof Hilary Szembek † | Bishop of Płock, Poland |
| 8 Sep | 65.8 | [Isaac-Étienne Robinet] † | Bishop Emeritus of [Charente-Inférieure (Constitutional), France] |
| 22 Sep | 73.2 | Juan Antonio de los Tueros † | Archbishop of Burgos, Spain |
| 1 Oct | 77.3 | Domenico Maria Clavarini, O.P. † | Bishop of Ventimiglia, Italy |
| 11 Oct | 58.5 | Gregorio José de Omaña y Sotomayor † | Bishop of Antequera, Oaxaca, México |
| 17 Oct | 58.6 | Jean-François Hubert † | Bishop Emeritus of Québec, Canada |
| 17 Oct | 58.1 | Santiago Pérez Arenillas † | Bishop of Gerona, Spain |
| 24 Nov | 72.8 | Philip MacDevitt † | Bishop of Derry, Ireland |
| 25 Nov | 75.8 | Charles Walmesley, O.S.B. † | Vicar Apostolic of Western District, England, Great Britain |
| 27 Nov | 61.8 | Mattia Santoro † | Bishop of Polignano (Polinianum), Italy |
| 18 Dec | 76.1 | Jan Szyjkowski † | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
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