| Date | Age | Bishop | Title |
|---|
| unknown | | Sebastiano Pompilio Bonaventura † | Bishop of Gubbio, Italy |
| unknown | | Alfonso Francesco Dominquez, O.S.A. † | Bishop of Monopoli, Italy |
| unknown | 62.9 | García Felipe de Legazpi y Velasco Altamirano y Albornoz † | Bishop of Tlaxcala, Tlaxcala, México |
| unknown | | Benedetto Milazzi † | Bishop of Ostuni, Italy |
| 18 Jan | 51.0 | Raimondo Lezzoli, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| Feb | 61.1 | Juan Feyjóo González de Villalobos, O. Carm. † | Bishop of Guadix, Spain |
| 5 Feb | 69.3 | Pierre-Armand du Camboust de Coislin † | Cardinal, Bishop of Orléans, France |
| 31 Mar | | Filippo Maria Resta, C.R.L. † | Bishop of Alessandria (della Paglia), Italy |
| Apr | 64.3 | Giovanni Battista Carrone † | Bishop of Strongoli, Italy |
| May | | Niccolò Antonio De Tura † | Bishop of Sarno, Italy |
| 5 May | 61.7 | Friedrich Christian von Plettenberg zu Lenhausen † | Bishop of Münster, Germany |
| 15 May | 69.4 | Diego de Baños y Sotomayor † | Bishop of Caracas, Santiago de Venezuela |
| 26 May | 66.2 | Marcantonio Barbarigo † | Cardinal, Bishop of Montefiascone, Italy |
| 14 Jun | 53.0 | Henri Feydeau de Brou † | Bishop of Amiens, France |
| 9 Aug | 46.0 | Michel Le Peletier † | Bishop of Angers, France |
| 15 Aug | | Raffaele Maria Filamondo, O.P. † | Bishop of Sessa Aurunca, Italy |
| 15 Aug | 76.6 | Pedro de Salazar Gutiérrez de Toledo, O. de M. † | Cardinal, Bishop of Córdoba, Spain |
| 18 Aug | 49.4 | Luigi Omodei (Jr.) † | Cardinal, Cardinal-Deacon of S. Maria in Portico |
| 28 Sep | | Alessandro Lambert † | Bishop of Ivrea, Italy |
| 6 Nov | 75.4 | François de Coëtlogon-Méjusseaume † | Bishop of Quimper, France |
| 29 Nov | | Henri de Provana † | Bishop of Nice, France |
| 25 Dec | 43.0 | Franz Engelbert Barbo † | Auxiliary Bishop of Wrocław, Poland |
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