| Date | Age | Bishop | Title |
|---|
| unknown | | Giuseppe Campanile † | Bishop of Ascoli Satriano, Italy |
| unknown | | Corrado Deodato de Moncada † | Archbishop of Messina, Italy |
| unknown | | Filippo Gentile † | Bishop of Telese o Cerreto Sannita, Italy |
| unknown | | Francesco Granata † | Bishop of Sessa Aurunca, Italy |
| unknown | 70.0 | Miguel Lino de Ezpeleta † | Bishop of Cebu, Philippines |
| unknown | | Carlo Mineo † | Bishop of Patti, Italy |
| unknown | | Feliciano de Nossa Senhora † | Bishop of Lamego, Portugal |
| unknown | | Giuseppe Pitocco † | Bishop of Trivento, Italy |
| unknown | | Andrea Tortona † | Bishop of Marsico Nuovo, Italy |
| Jan | 68.1 | José Domingo Rivero † | Bishop of Ceuta, Spain |
| 10 Jan | 62.7 | Filippo Maria Pirelli † | Cardinal, Titular Archbishop of Damascus |
| 15 Jan | 57.7 | Isidro Carvajal Lancaster † | Bishop of Cuenca, Spain |
| 18 Mar | 57.2 | Antoine-Joseph D'Amat de Volx † | Bishop of Senez, France |
| 26 Mar | 75.2 | Luis Antonio Fernández de Córdoba Portocarrero Guzmán y Aguilar † | Cardinal, Archbishop of Toledo, Spain |
| 27 Mar | 75.2 | Jean-Marie de Catelan † | Bishop of Rieux, France |
| 3 Apr | 74.9 | Ludwig Hatteisen, O.S.B. † | Auxiliary Bishop of Hildesheim, Germany |
| 17 Apr | 72.8 | Johann Karl Leopold Graf von Scherffenberg † | Auxiliary Bishop of Olomouc, Czech Republic |
| 22 Apr | 66.7 | Francisco Fernández Játiva † | Bishop of Urgell, Spain |
| 21 May | 78.8 | Aleixo de Miranda Henriques, O.P. † | Bishop of Porto, Portugal |
| 21 Jun | 48.5 | Guillaume Piguel, M.E.P. † | Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 22 Jun | 68.7 | Martín Barcia Carrascal † | Bishop of Córdoba, Spain |
| 22 Jun | 67.5 | Manoel de Santa Ines Ferreira, O.C.D. † | Archbishop of São Salvador da Bahia, Brazil |
| 26 Jun | 69.5 | Joseph Bruno de Bausset-Roquefort † | Bishop of Béziers, France |
| 28 Jun | 65.0 | Augustin-François-Annibal de Farcy de Cuillé † | Bishop of Quimper, France |
| 12 Jul | 59.8 | Flavio Chigi (Jr.) † | Cardinal, Prefect of the Congregation of Rites |
| 14 Jul | 62.5 | Joseph-Antoine-Jacques Richier de Cérisy † | Bishop of Lombez, France |
| 27 Sep | 78.5 | Jean de Caulet † | Bishop of Grenoble, France |
| 5 Oct | 79.5 | Francisco Xavier Aranha † | Bishop of Olinda, Brazil |
| 19 Oct | 65.6 | Johann Adam Buckel † | Auxiliary Bishop of Speyer, Germany |
| 22 Oct | 55.3 | Charles Nicolas Alexandre d'Oultremont † | Bishop of Liège, Belgium |
| 12 Nov | 79.1 | Domingo Pérez Rivera † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| 13 Nov | 75.9 | Alessandro Cervini † | Archbishop of Siena, Italy |
| 18 Nov | 83.5 | Alexandre Milon † | Bishop of Valence, France |
| 28 Nov | 74.5 | Jean-Chrétien de Macheco de Prémeaux † | Bishop of Périgueux (Vesuna), France |
| 1 Dec | 66.8 | Michele Scavo † | Bishop of Mazara del Vallo, Italy |
| 3 Dec | 79.4 | Jakob Johann Joseph Wosky von Bärenstamm † | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 16 Dec | 73.8 | Siegmund Christoph Graf von Schrattenbach † | Archbishop of Salzburg, Austria |
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