| Date | Age | Bishop | Title |
| unknown | | Antonio Cantoni † | Archbishop of Ravenna, Italy |
| unknown | 40.7 | François Citadella † | Bishop of Acci and Mariana, France |
| unknown | | Nicola Filomarini (Filomarino) † | Bishop of Caserta, Italy |
| unknown | 55.0 | Santiago Palmero † | Bishop of Badajoz, Spain |
| unknown | | Marco Aurelio Petruccelli † | Bishop of Nardò, Italy |
| unknown | | Salvatore Pisano † | Bishop of Patti, Italy |
| unknown | 50.0 | Antoni Maciej Sierakowski † | Bishop of Inflanty (Livonia), Poland |
| 11 Jan | 73.5 | Juan Bautista Cervera, O.F.M. † | Bishop of Cádiz, Spain |
| 12 Jan | 89.3 | Richard Challoner † | Vicar Apostolic of London District, England, Great Britain |
| 13 Jan | 62.7 | Raymund Anton Graf von Strasoldo † | Bishop of Eichstätt, Germany |
| 22 Jan | 62.4 | Henri-Marie-Bernardin de Rosset de Ceilhes de Fleury † | Archbishop of Cambrai, France |
| 24 Jan | 82.9 | Pierre-Jules-César de Rochechouard-Montigny † | Bishop Emeritus of Bayeux, France |
| 28 Jan | 60.0 | Johann Moritz Freiherr von Strachwitz † | Apostolic Administrator of Wrocław, Poland |
| 24 Feb | 81.0 | Domenico Giordani † | Titular Patriarch of Antiochia {Antioch}, Syria |
| 25 Mar | | Francesco Gaetano Incontri † | Archbishop of Firenze {Florence}, Italy |
| 31 Mar | 76.4 | Franz Heinrich Wendelin Freiherr von Kageneck † | Auxiliary Bishop Emeritus of Eichstätt, Germany |
| 5 Jun | 51.3 | Giovanni Ottavio Manciforte Sperelli † | Cardinal, Titular Archbishop of Teodosia |
| 12 Jun | 63.2 | Antonio Macarulla Minguilla de Aguilain † | Bishop of Durango, Durango, México |
| 20 Jun | 83.0 | Giuseppe Filippo Porporato † | Bishop of Saluzzo, Italy |
| 27 Jun | 70.3 | Johann Mathäus Schweiberer † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 10 Jul | 69.1 | Miguel Fernando Merino † | Bishop of Avila, Spain |
| 14 Jul | 64.9 | Lorenzo Lay Anzano, O.P. † | Bishop of Segorbe, Spain |
| 21 Jul | 61.1 | Agustín de Alvarado y Castillo † | Bishop of Ciudad Rodrigo, Spain |
| 20 Aug | 66.5 | Manuel Jiménez Pérez, O.S.B. † | Bishop of Puerto Rico (Porto Rico) |
| 12 Sep | 53.7 | Jan Alojzy Aleksandrowicz † | Bishop of Chelm, Poland |
| 29 Sep | 69.4 | Germain Chasteigner de la Chasteigneraye † | Bishop of Saintes, France |
| 16 Oct | 78.4 | Juan Portugal de la Puebla † | Patriarch of Constantinople, Turkey |
| 28 Nov | 75.7 | José Climent Avinent † | Bishop Emeritus of Barcelona, Spain |
| 10 Dec | 67.0 | Francisco Javier Delgado Venegas † | Cardinal, Patriarch of West Indies, Antilles |
| 12 Dec | 78.4 | Christophe de Beaumont du Repaire † | Archbishop of Paris, France |