| Date | Age | Bishop | Title |
|---|
| unknown | | Ferdinand de Berlo de Brus † | Bishop of Namur {Namen}, Belgium |
| unknown | | Juan Cabero y Toledo † | Bishop of Santa Cruz de la Sierra, Bolivia |
| unknown | | Louis Joseph de Châteauneuf de Rochebonne † | Bishop of Carcassonne, France |
| unknown | | Hugh MacDermot † | Bishop of Achonry, Ireland |
| unknown | | James O'Shiel, O.F.M. † | Bishop of Down and Connor, Ireland |
| Jan | | Jean de Catelan † | Bishop of Valence, France |
| 9 Jan | 59.3 | Francesco Acquaviva d’Aragona † | Cardinal, Cardinal-Bishop of Sabina |
| 6 Apr | 62.9 | Johann Raymund Guidobald Reichsgraf von Lamberg, O.F.M. Cap. † | Auxiliary Bishop of Passau, Germany |
| 12 Apr | 57.5 | Johann Joachim Hahn † | Auxiliary Bishop of Mainz, Germany |
| 16 Apr | 69.9 | George Witham † | Vicar Apostolic of Northern District, England, Great Britain |
| 22 Apr | 86.8 | Johann Michael Reichsgraf von Spaur und Valör † | Bishop of Trento, Italy |
| 27 Apr | 78.5 | Johann Anton Reichsfreiherr von Knebel von Katzenellenbogen † | Bishop of Eichstätt, Germany |
| 23 Aug | 58.9 | Christian August von Sachsen-Zeitz † | Cardinal, Archbishop of Esztergom, Hungary |
| 12 Sep | 73.6 | Johann Christoph Haus † | Auxiliary Bishop of Basel, Switzerland |
| 20 Sep | 53.2 | Giovanni Benedetti Gentilotti † | Bishop-Elect of Trento, Italy |
| 10 Oct | 77.8 | Francesco del Giudice † | Cardinal, Archbishop Emeritus of Monreale, Italy |
| 20 Oct | | Paul de Chaulnes † | Bishop of Grenoble, France |
| 25 Nov | 66.9 | Fernando de Valdivia y Mendoza, O.A.R. † | Bishop of Puerto Rico (Porto Rico) |
| 15 Dec | 77.0 | Giuseppe Vallemani † | Cardinal, Cardinal-Priest of S. Maria degli Angeli |
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