| Date | Age | Bishop | Title |
| unknown | 61.7 | Ferdinando Tiberius Gonzaga † | Bishop of Mantova, Italy |
| unknown | | Andrew Lynch † | Bishop of Kilfenora, Ireland |
| unknown | | Manuel de Sousa e Almada † | Prelate of São Sebastião do Rio de Janeiro, Brazil |
| 1 Jan | 60.0 | Carlo Gualterio † | Cardinal, Archbishop Emeritus of Fermo, Italy |
| 3 Jan | 67.0 | Giovanni Battista Lanfranchi, C.R. † | Bishop of Avellino e Frigento, Italy |
| 8 Jan | 43.4 | Wenzeslaus von Thun † | Bishop of Passau, Germany |
| 15 Jan | | Carlo Antonio Agudio † | Bishop of Castellaneta, Italy |
| 12 Feb | 67.5 | Johann Philipp von Schönborn † | Archbishop of Mainz, Germany |
| 14 Feb | 68.1 | Carlo Roberti † | Cardinal, Cardinal-Priest of Santa Maria in Ara Coeli |
| 16 Feb | | Francesco Gozzadini † | Bishop of Cefalonia e Zante, Greece |
| 18 Feb | 55.7 | Federico Borromeo (Jr.) † | Cardinal, Secretary of the Secretariat of State |
| 21 Feb | 59.1 | Hieronymi Andreis † | Bishop of Korčula (Curzola, Cursola), Croatia |
| 13 Mar | 62.2 | Carlo de’ Vecchi † | Bishop Emeritus of Chiusi, Italy |
| 9 Apr | 63.3 | Cristovão da Silveira, O.S.A. † | Archbishop of Goa, India |
| 15 Apr | 65.3 | Alonso Francisco Dou † | Bishop of Gerona, Spain |
| 15 Apr | 56.3 | Mikołaj Jan Prażmowski † | Archbishop of Gniezno, Poland |
| 23 Apr | 65.3 | Pedro de Lencastre, O.F.M. Cap. † | Archbishop Emeritus of Braga, Portugal |
| 24 Apr | 84.3 | Miguel Escartín Arbeza, O. Cist. † | Bishop of Tarazona, Spain |
| 5 May | 67.3 | Balthasar de los Reyes, O.S.H. † | Bishop of Coria, Spain |
| 19 May | 56.4 | Giovanni Antonio Capobianco † | Bishop of Siracusa, Italy |
| 15 Jun | | José Ninot y Bardera † | Bishop of Lérida, Spain |
| 27 Jun | 69.3 | Cesare Cancellotti, C.O. † | Bishop of Montalto (delle Marche), Italy |
| Jul | | Marco Antonio Martinengo † | Bishop of Torcello (Turris), Italy |
| 4 Jul | 73.5 | Cristóbal de la Mancha y Velazco, O.P. † | Bishop of Buenos Aires, Argentina |
| 11 Aug | 53.2 | Sisto Maria Pironti, O.P. † | Bishop of Sarno, Italy |
| 11 Aug | 55.6 | Krzysztof Jan Żegocki † | Bishop of Chełm, Poland |
| 25 Aug | 53.3 | Lancelot de Gottignies † | Bishop of Roermond, Netherlands |
| 28 Aug | 64.7 | Eugenius Albertus d’Allamont † | Bishop of Gent {Ghent, Gand}, Belgium |
| 28 Aug | | Manuel Pessoa de Figueiredo † | Prelate of São Sebastião do Rio de Janeiro, Brazil |
| 9 Sep | | Pier Maria Bichi, O.S.B. † | Bishop of Sovana (Soana), Italy |
| 21 Sep | 61.6 | Lorenzo Imperiali † | Cardinal, Cardinal-Priest of San Crisogono |
| 14 Oct | | Domenico Caracciolo † | Bishop of Alife, Italy |
| 14 Oct | | Diego Osorio de Escobar y Mendoza (Llamas) † | Bishop Emeritus of Tlaxcala, México |
| 19 Oct | 62.2 | François Foucquet † | Archbishop of Narbonne, France |
| Nov | 71.8 | Paolo Diano-Parisi † | Bishop of Oppido Mamertina, Italy |
| Nov | | Giuseppe Palermo † | Archbishop of Santa Severina, Italy |
| 18 Dec | 71.0 | Giovan Battista Foppa, C.O. † | Archbishop of Benevento, Italy |
| 18 Dec | 72.0 | Francesco Gonzaga, C.R. † | Bishop of Nola, Italy |