| Date | Age | Bishop | Title |
| unknown | 70.0 | Miguel Lino de Ezpeleta † | Bishop of Cebu, Philippines |
| unknown | | Corrado Deodato Moncada † | Archbishop of Messina, Italy |
| unknown | 65.6 | Antonio Tripcovich † | Bishop of Nona (Nin), Croatia |
| Jan | 78.0 | Adeodato Andrea Aldobrandini (Bivignano) † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| Jan | 73.8 | Pietro Paolo Carta † | Bishop of Ampurias e Civita, Italy |
| Jan | 68.1 | José Domingo Rivero † | Bishop of Ceuta, Spain |
| 10 Jan | 62.7 | Filippo Maria Pirelli † | Cardinal, Cardinal-Priest of San Crisogono |
| 11 Jan | 69.9 | Francesco Granata † | Bishop of Sessa Aurunca, Italy |
| 13 Jan | 77.0 | Xaverius Giustiniani † | Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 15 Jan | 57.7 | Isidro Carvajal Lancaster † | Bishop of Cuenca, Spain |
| 19 Jan | 69.1 | Paul Godefroid de Berlo de Franc-Douaire † | Bishop of Namur {Namen}, Belgium |
| 15 Feb | 78.3 | Philippus Josias Caucci † | Titular Patriarch of Constantinople |
| 18 Mar | 57.2 | Antoine-Joseph D’Amat de Volx † | Bishop of Senez, France |
| 24 Mar | 73.0 | István Pucz † | Bishop of Beograd (-Smederevo), Serbia |
| 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 |
| 15 Apr | 86.5 | Feliciano de Nossa Senhora † | Bishop of Lamego, Portugal |
| 17 Apr | 72.8 | Johann Karl Leopold von Scherffenberg † | Auxiliary Bishop of Olomouc (Olmütz), Czech Republic |
| 19 Apr | 66.3 | Paulus Campsi † | Bishop of Shkodrë (Scutari), Albania |
| 22 Apr | 66.7 | Francisco Fernández Játiva † | Bishop of Urgell, Spain |
| 7 May | 71.3 | Mattaeus Caraman † | Archbishop of Zadar (Zara), Croatia |
| 10 May | 49.3 | Andrea Tortona † | Bishop of Marsico Nuovo, Italy |
| 21 May | 78.8 | Aleixo de Miranda Henriques, O.P. † | Bishop of Porto, Portugal |
| 30 May | 49.6 | Giuseppe Pitocco † | Bishop of Trivento, Italy |
| Jun | 64.9 | Giovanni Antonio Castelli † | Bishop Emeritus of Kotor (Cattaro), Montenegro |
| 21 Jun | 48.5 | Guillaume Piguel, M.E.P. † | Vicar Apostolic of Cochin {Cocincina}, Viet 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 |
| 25 Jun | 79.0 | Filippo Gentile † | Bishop of Telese o Cerreto Sannita, Italy |
| 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 |
| 9 Jul | 82.9 | Bernardo António de Melo Osório † | Bishop of Guarda, Portugal |
| 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 |
| 7 Sep | 68.4 | Carlo Mineo † | Bishop of Patti, Italy |
| 21 Sep | 56.2 | Philippus (Joannes Bapt.) Bruni (a S. Catharina) † | Auxiliary Bishop of Sabina, Italy |
| 27 Sep | 78.5 | Jean de Caulet † | Bishop of Grenoble, France |
| Oct | 79.6 | Giovanni Andrea Balbi † | Bishop of Pula (Pola), Croatia |
| 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 |
| Nov | 69.5 | Giuseppe Campanile † | Bishop of Ascoli Satriano, Italy |
| 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 |
| Dec | 66.3 | Bartholomaeus Amoroso † | Bishop of Crotone (Cotrone), Italy |
| 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 von Schrattenbach † | Archbishop of Salzburg, Austria |
| 20 Dec | 53.7 | Ivan Krstitelj Paxy † | Bishop of Zagreb (Agram), Croatia |