| Date | Age | Bishop | Title |
|---|
| 7 Jan | 66.0 | Jean de Catelan † | Bishop of Valence, France |
| 9 Jan | 59.2 | Francesco Acquaviva d’Aragona † | Cardinal, Cardinal-Bishop of Sabina |
| 14 Jan | 58.0 | Giambattista Maoletti, O.F.M. † | Vicar Apostolic of Houkouang, China |
| 16 Jan | 64.5 | Giovanni Francesco Leonini † | Bishop of San Severino (Marche), Italy |
| 18 Jan | 62.1 | Francesco Saverio Guicciardi † | Bishop of Cesena, Italy |
| 25 Jan | 67.5 | Gennaro Mattei, O.M. † | Bishop of Nicotera, Italy |
| Mar | 69.5 | Daniele Sansoni † | Bishop of Novigrad (Cittanova), Croatia |
| 2 Mar | 64.0 | Cesare Francesco Lucini, O.P. † | Bishop of Gravina (di Puglia), Italy |
| 7 Mar | 56.6 | Michał Delamars † | Auxiliary Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 14 Mar | 49.2 | Godefroid-Maurice de Conflans † | Bishop of Le Puy-en-Velay, France |
| 19 Mar | 51.2 | Bernard Gozdzki † | Auxiliary Bishop of Poznań, Poland |
| 6 Apr | 62.9 | Johann Raymund Guidobald von Lamberg, O.F.M. Cap. † | Auxiliary Bishop of Passau, Germany |
| 12 Apr | 57.4 | Johann Joachim Hahn † | Auxiliary Bishop of Mainz, Germany |
| 16 Apr | 69.9 | George Witham † | Vicar Apostolic of Northern District, England, Great Britain |
| 22 Apr | 86.7 | Johann Michael von Spaur und Valör † | Bishop of Trento, Italy |
| 27 Apr | 78.4 | Johann Anton von Knebel von Katzenellenbogen † | Bishop of Eichstätt, Germany |
| 1 May | 53.8 | Pietro Barbarigo † | Patriarch of Venezia {Venice}, Italy |
| 4 Jun | 81.4 | Andrea Brancaccio, C.R. † | Archbishop of Cosenza, Italy |
| 13 Jun | 73.9 | Ortensio Visconti † | Bishop of Lodi, Italy |
| 1 Jul | 70.0 | Juan Bautista Alvarez de Toledo, O.F.M. Obs. † | Bishop of Guadalajara, Jalisco, México |
| 30 Jul | 67.4 | Giovanni Crisostomo Battelli † | Titular Archbishop of Amasea |
| 2 Aug | 76.9 | Carlo Maria Pianetti † | Bishop of Larino, Italy |
| 23 Aug | 58.8 | Christian August von Sachsen-Zeitz † | Cardinal, Archbishop of Esztergom, Hungary |
| 24 Aug | 71.2 | Ferdinand Paul Ernest de Berlo de Brus † | Bishop of Namur {Namen}, Belgium |
| Sep | 73.6 | Hugh MacDermot † | Bishop of Achonry, Ireland |
| 12 Sep | 73.6 | Johann Christoph Haus † | Auxiliary Bishop of Basel, Switzerland |
| 20 Sep | 53.1 | Giovanni Benedetti Gentilotti † | Bishop-Elect of Trento, Italy |
| Oct | 56.7 | Jean-Jacques de Verthamon de Chalucet † | Bishop of (Saint-Lizier de) Couserans (or Conserans), France |
| 10 Oct | 77.8 | Francesco del Giudice † | Cardinal, Archbishop Emeritus of Monreale, Italy |
| 20 Oct | 75.3 | Paul de Chaulnes † | Bishop of Grenoble, France |
| 25 Nov | 70.8 | Jacques des Maretz † | Archbishop of Auch, France |
| 25 Nov | 66.9 | Fernando de Valdivia y Mendoza, O.A.R. † | Bishop of Puerto Rico (Porto Rico) |
| Dec | 49.0 | Joannes de Moncada Hurtado de Figueroa † | Bishop of Santa Cruz de la Sierra, Bolivia |
| Dec | 65.1 | Giovanni Battista Stella † | Archbishop of Taranto, Italy |
| 15 Dec | 77.5 | Giuseppe Vallemani † | Cardinal, Cardinal-Priest of Santa Maria degli Angeli |
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