| Date | Age | Bishop | Title |
|---|
| unknown | 64.0 | Mihály Dvornikovich † | Bishop of Vác, Hungary |
| unknown | 65.0 | Pedro Portocarrero y Guzmán † | Patriarch of West Indies, Spain |
| unknown | 51.0 | Hedeon Šumljanškyj † | Bishop of Smoleńsk (Ukrainian), Russian Federation |
| Jan | 60.5 | Giorgio Emo † | Archbishop of Corfù, Greece |
| 5 Jan | 55.7 | Mikołaj Gerard Wyżycki † | Bishop of Chełm, Poland |
| 7 Jan | 80.0 | Giovanni Battista Spínola † | Archbishop of Genova, Italy |
| 17 Jan | 87.0 | Pierre du Laurens, O.S.B. † | Bishop of Belley, France |
| 21 Jan | | Victorino do Porto, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 31 Jan | | Bernardo de Vicuña Zuazo † | Bishop of Islas Canarias {Canary Islands}, Spain |
| 7 Feb | 62.0 | Baltasar de la Peña Avilés † | Bishop of Ávila, Spain |
| 26 Feb | 52.1 | Antoine Simon de Magny † | Bishop-Elect of Oloron (Oloron-Sainte-Marie), France |
| 4 Mar | 65.1 | Armand-Anne-Tristan de La Baume de Suze † | Archbishop of Auch, France |
| 6 Apr | 85.3 | Odoardo Cibo (Cybo) † | Titular Patriarch of Constantinople |
| 6 Apr | 65.0 | Urbano Sacchetti † | Cardinal, Bishop Emeritus of Viterbo e Tuscania, Italy |
| 17 Apr | 67.9 | Uldericus Nardi † | Bishop of Bagnoregio (Bagnorea), Italy |
| 10 May | 59.3 | Ladislav Maťašovský † | Bishop of Nitra, Slovakia |
| Jun | 74.3 | Vincenzo de Magistris (del Mastro), O.P. † | Bishop of Cassano all’Jonio, 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 |
| 5 Jul | 63.5 | Alonso Antonio de San Martín † | Bishop of Cuenca, Spain |
| 25 Jul | 63.0 | Peter Creagh † | Archbishop of Dublin, Ireland |
| 31 Jul | 63.5 | Lucio Borghesi † | Bishop of Chiusi, Italy |
| Aug | 55.8 | Marcello Cavalieri, O.P. † | Bishop of Gravina (di Puglia), Italy |
| 22 Aug | 82.6 | Gaspar Gasparini, O.F.M. Conv. † | Vicar Apostolic of Constantinople, Turkey |
| Sep | 38.4 | Alfonso del Balzo † | Bishop of Carinola (Calina), Italy |
| 2 Sep | 69.5 | Giacinto Camillo Maradei † | Bishop of Policastro, Italy |
| 3 Sep | 78.6 | Édouard Valot † | Bishop Emeritus of Nevers, France |
| 8 Sep | 81.9 | Annibale de Pietropaulo † | Bishop of Castellammare di Stabia, Italy |
| 14 Sep | 64.7 | Pedro d’ Alcala, O.P. † | Vicar Apostolic of Chekiang {Ce-Kiam}, China |
| 17 Sep | 65.0 | Gregorio Compagni, O.P. † | Bishop of Larino, Italy |
| 26 Sep | 70.7 | Tommaso d’Aquino, C.R. † | Bishop of Sessa Aurunca, Italy |
| 11 Oct | 59.8 | Augustyn Michal Stefan Radziejowski † | Cardinal, Archbishop of Gniezno, Poland |
| 29 Oct | 74.8 | Antoine-François Bertier † | Bishop of Rieux, France |
| 31 Oct | 80.8 | Gabriel de Blauza † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| Nov | 72.6 | Fabrizio Susanna † | Bishop of Montepeloso, Italy |
| 18 Nov | 57.8 | Jorge Cárdenas Valenzuela † | Bishop of Osma, Spain |
| Dec | 68.9 | Pietro Luigi Malaspina, C.R. † | Bishop of Massa Marittima, Italy |
| 16 Dec | 63.9 | Gerhard Potcamp † | Titular Archbishop-Elect of Thebae |
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