| Date | Age | Bishop | Title |
|---|
| unknown | | Vincenzo de Magistris, O.P. † | Bishop of Cassano all’Jonio, Italy |
| unknown | | Giacinto Camillo Maradei † | Bishop of Policastro, Italy |
| unknown | | Annibale de Petropaolo † | Bishop of Castellammare di Stabia, Italy |
| unknown | | Mikołaj Michał Wyżycki † | Bishop of Chełm, Poland |
| 13 Jan | | Pierre du Laurens † | Bishop of Belley, France |
| 21 Jan | | Victorino do Porto, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 7 Feb | 62.1 | Baltasar de la Peña Avilés † | Bishop of Avila, Spain |
| 4 Mar | 65.2 | Armand-Anne-Tristan de La Baume de Suze † | Archbishop of Auch, France |
| 6 Apr | 85.3 | Odoardo Cibo † | Titular Patriarch of the Titular See |
| 6 Apr | 65.3 | Urbano Sacchetti † | Cardinal, Bishop Emeritus of Viterbo e Tuscania, Italy |
| 4 Jun | 81.4 | Wilhelm Jakob Rinck von Balderstein † | Bishop of Basel, Switzerland |
| 4 Jul | 55.5 | Guillaume Bochart de Champigny † | Bishop of Valence, France |
| 20 Jul | 65.6 | Peter Creagh † | Archbishop of Dublin, Ireland |
| Aug | 55.9 | Marcello Cavalieri, O.P. † | Bishop of Gravina, Italy |
| 3 Sep | 68.7 | Édouard Valot † | Bishop Emeritus of Nevers, France |
| 17 Sep | | Gregorio Compagni, O.P. † | Bishop of Larino, Italy |
| 26 Sep | | Tommaso d'Aquino, C.R. † | Bishop of Sessa Aurunca, Italy |
| 11 Oct | 59.9 | Augustyn Michal Stefan Radziejowski † | Cardinal, Archbishop of Gniezno, Poland |
| 29 Oct | 75.8 | Antoine-François Bertier † | Bishop of Rieux, France |
| Nov | | Giuseppe Falces, O.F.M. † | Bishop of Pozzuoli, Italy |
| 18 Nov | 57.9 | Jorge Cárdenas Valenzuela † | Bishop of Osma, Spain |
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