| Date | Age | Bishop | Title |
|---|
| unknown | 59.0 | Eugene Conwell † | Vicar Apostolic of Derry, Ireland |
| unknown | 61.7 | Ferdinando Tiberius Gonzaga † | Bishop of Mantova, Italy |
| unknown | | Jean † | Bishop of Seert (Chaldean), Turkey |
| 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 |
| 6 Jan | 43.3 | Wenzeslaus von Thun † | Bishop of Passau, Germany |
| 15 Jan | | Carlo Antonio Agudio † | Bishop of Castellaneta, Italy |
| 2 Feb | 59.0 | Jeronim de Andreis † | Bishop of Korčula (Curzola, Cursola), Croatia |
| 12 Feb | 67.5 | Johann Philipp von Schönborn † | Archbishop of Mainz, Germany |
| 14 Feb | 68.1 | Carlo Roberti (de’ Vittori) † | 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 State |
| 13 Mar | 62.1 | Carlo de’ Vecchi † | Bishop Emeritus of Chiusi, Italy |
| 9 Apr | 59.0 | Cristovão da Silveira, O.S.A. † | Archbishop of Goa, India |
| 15 Apr | 65.2 | Alonso Francisco Dou † | Bishop of Gerona, Spain |
| 15 Apr | 56.2 | Mikołaj Jan Prażmowski † | Archbishop of Gniezno, Poland |
| 26 Apr | 84.3 | Miguel Escartín Arbeza, O. Cist. † | Bishop of Tarazona, Spain |
| 5 May | 67.3 | Baltasar de los Reyes, O.S.H. † | Bishop of Coria, Spain |
| 19 May | 56.3 | Giovanni Antonio Capobianco † | Bishop of Siracusa, Italy |
| 15 Jun | | José Ninot y Bardera † | Bishop of Lérida, Spain |
| 27 Jun | 69.2 | Cesare Cancellotti, C.O. † | Bishop of Montalto (delle Marche), Italy |
| 4 Jul | 73.5 | Cristóbal de la Mancha y Velazco, O.P. † | Bishop of Buenos Aires, Argentina |
| 17 Jul | 81.5 | Marco Antonio Martinengo † | Bishop of Torcello (Turris), Italy |
| 11 Aug | 53.6 | Krzysztof Jan Żegocki † | Bishop of Chełm, Poland |
| 12 Aug | 53.2 | Sisto Maria Pironti, O.P. † | Bishop of Sarno, Italy |
| 25 Aug | 53.2 | Lancelot de Gottignies † | Bishop of Roermond, Netherlands |
| 28 Aug | 48.0 | 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 |
| 21 Sep | 61.5 | Lorenzo Imperiali † | Cardinal, Cardinal-Priest of San Crisogono |
| Oct | 59.4 | Franjo Soimirovic (Svimirovich), O.F.M. Obs. † | Archbishop of Achrida (Ochrida), Bulgaria |
| 14 Oct | | Diego Osorio de Escobar y Llamas (Mendoza) † | Bishop Emeritus of Tlaxcala (Puebla de los Angeles), 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 |
| 16 Dec | 70.9 | Giovan Battista Foppa, C.O. † | Archbishop of Benevento, Italy |
| 18 Dec | 71.9 | Francesco Gonzaga, C.R. † | Bishop of Nola, Italy |
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