| Date | Age | Bishop | Title |
| unknown | 61.8 | Nicola Bizzarri † | Bishop Emeritus of Forli, Italy |
| unknown | 65.9 | Basilius Bosicskovich, O.S.B.M. † | Bishop of Križevci (Kreutz) (Križevci), Croatia |
| unknown | 58.3 | Franciscus Condulmer † | Titular Bishop of Famagusta |
| unknown | 58.3 | Joannes Karski † | Auxiliary Bishop of Gniezno, Poland |
| unknown | 64.0 | Alexandre Lascaris de Vintimille † | Bishop of Toulon, France |
| unknown | | Mark Skerret † | Archbishop of Tuam, Ireland |
| unknown | 84.0 | Jean Antoine Voricla † | Bishop of Chios (Scio), Greece |
| Jan | 63.3 | Giovanni Battista Quasina † | Bishop of Bosa, Italy |
| 6 Jan | 59.9 | Carolus (Georgius Antonius) Vareschi, O.C.D. † | Titular Bishop of Calama |
| 8 Jan | | Josephus Ludovicus Coudé † | Bishop-Elect of Rhesaina |
| 16 Jan | 62.6 | Bernardus Bocchini, O.F.M. Cap. † | Bishop of Cefalonia e Zante, Greece |
| 31 Jan | 73.1 | Andrzej Ignacy Bajer (Baier) † | Bishop of Chelmno (Culma, Kulm), Poland |
| Feb | 71.1 | Grigore Maior, O.S.B.M. † | Bishop Emeritus of Făgăraş (Romanian), Romania |
| 5 Feb | 43.9 | Antonio Maria Sacconi, O.F.M. † | Vicar Apostolic of Shansi {Scian-Si} (Chan-Si), China |
| 11 Feb | 62.1 | François Magni, O.F.M. † | Vicar Apostolic Emeritus of Shansi {Scian-Si} (Chan-Si), China |
| 23 Feb | 65.3 | Lazzaro Opiziio Pallavicino † | Cardinal, Secretary of the Secretariat of State |
| 28 Feb | 71.1 | Giuseppe Maria Contesini † | Titular Archbishop of Athenae |
| 7 Mar | 65.4 | Jean-Pierre Biord † | Bishop of Genève {Geneva}, Switzerland |
| 19 Mar | 77.2 | Jean-Baptiste-Joseph de Méallet de Fargues † | Bishop of Saint-Claude, France |
| 28 Mar | 58.6 | Gaetano Ginanni (Giannini) † | Bishop of Foligno, Italy |
| 4 Apr | 75.2 | Giovanni Maria Castelvetri † | Bishop of Reggio Emilia, Italy |
| 11 Apr | 88.4 | Louis-Marie de Suarès d’Aulan † | Bishop Emeritus of Acqs (Dax), France |
| 11 Apr | 63.4 | Juan Varela Fondevilla y Verea † | Auxiliary Bishop of Santiago de Compostela, Spain |
| 20 Apr | 80.3 | Bernardin-Louis Foucquet † | Archbishop Emeritus of Embrun, France |
| 9 Jun | 72.7 | Paolo Massei † | Cardinal, Cardinal-Priest of Sant’Agostino |
| 15 Jun | 61.6 | Karol Salbeck † | Bishop of Spiš, Slovakia |
| 26 Jun | 58.6 | Carlo Pergami † | Bishop of Gaeta, Italy |
| 14 Jul | 76.9 | Jerónimo de Obregón y Mena † | Bishop of Popayán, Colombia |
| 19 Jul | 57.9 | Alvise Maria Gabrieli † | Bishop of Vicenza, Italy |
| 28 Jul | 63.8 | Franciscus Maria Trombini † | Bishop of Cariati e Cerenzia, Italy |
| 7 Aug | 58.0 | Luis Antonio Jaime de Borbón y Farnesio † | |
| 8 Aug | 71.9 | Toussaint Duvernin † | Auxiliary Bishop of Strasbourg, France |
| 12 Aug | 81.0 | Giovanni Battista Sandi † | Bishop of Belluno, Italy |
| 30 Aug | 55.4 | Francesco Angelo Jacoboni † | Bishop of Amelia, Italy |
| 15 Oct | 72.6 | Antoine-Joseph des Laurents † | Bishop of Saint-Malo, France |
| 18 Oct | 85.2 | Giuseppe Maria Fogliani † | Bishop of Modena, Italy |
| 9 Nov | 57.1 | Adelmo Gennaro Pignatelli, O.S.B. † | Archbishop of Capua, Italy |
| 15 Nov | 54.8 | Innocenzo Conti † | Cardinal, Titular Archbishop of Tyrus |
| Dec | | José Antonio de Isabela † | Bishop-Elect of Comayagua, Honduras |