| Date | Age | Bishop | Title |
|---|
| unknown | | Isaac † | Bishop |
| Jan | 71.9 | Gian Pietro Solaro † | Bishop of Vercelli, Italy |
| 12 Jan | 66.6 | Johann Philipp von Walderdorff † | Archbishop of Trier, Germany |
| 13 Jan | 80.4 | Giuseppe Simone Assemani † | Titular Archbishop of Tyrus |
| 28 Jan | 75.5 | Gherardo Antonio Volpe † | Bishop of Nocera de’ Pagani, Italy |
| 2 Feb | 74.4 | Nicola Brescia † | Bishop of San Marco (Argentano), Italy |
| 6 Feb | 85.0 | Jean-Baptiste de Champflour † | Bishop of Mirepoix, France |
| 19 Feb | 38.1 | Cesare Alberico Lucini † | Apostolic Nuncio to Spain |
| 29 Feb | 69.4 | Ignazio Michele Crivelli † | Cardinal, Titular Archbishop of Caesarea in Cappadocia |
| Mar | 76.6 | Giovanni Battista Chiappé, O.S.H. † | Bishop of Nocera Umbra, Italy |
| 1 Mar | 65.6 | Teodor Kazimierz Czartoryski † | Bishop of Poznań, Poland |
| 5 Mar | 77.8 | João da Madre de Deus Seixas da Fonseca Borges, O.S.B. † | Titular Bishop of Areopolis |
| 7 Apr | 60.2 | Miguel Cilieza y Velasco † | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| 15 Apr | 70.2 | Pietro Antonio Raimondi † | Bishop of Capaccio, Italy |
| 23 Apr | 42.7 | Nicola Sanchez de Luna † | Bishop of Nola, Italy |
| 7 Jun | 55.2 | José Patricio de la Cuesta Velarde † | Bishop of Sigüenza, Spain |
| 17 Jun | 58.5 | Giacomo Cingari † | Bishop of Gubbio, Italy |
| 29 Jun | 67.4 | Enrichetto Virginio (Raffale Francesco) Natta, O.P. † | Cardinal, Bishop of Alba (Pompea), Italy |
| 9 Jul | 72.8 | Lorenzo da Ponte † | Bishop of Ceneda, Italy |
| 20 Aug | 69.5 | Joseph Ignaz Philipp von Hessen-Darmstadt † | Bishop of Augsburg, Germany |
| 24 Aug | 73.8 | Marcello Crescenzi † | Cardinal, Archbishop of Ferrara, Italy |
| 15 Sep | 93.2 | Juan Manuel Jerónimo de Romaní y Carrillo † | Bishop of Cuzco, Peru |
| 22 Sep | 76.7 | Ioan Inocențiu Klein (Micu), O.S.B.M. † | Bishop Emeritus of Făgăraş (Romanian), Romania |
| 4 Oct | 77.4 | Andrea Lucchesi Palli † | Bishop of Agrigento (Girgenti), Italy |
| Nov | 55.4 | Tommaso Giannelli † | Bishop of Termoli, Italy |
| 18 Nov | 59.2 | Enea Silvio Piccolomini † | Cardinal, Cardinal-Deacon of Sant’Adriano al Foro |
| 26 Nov | 60.0 | Deodatus de Chaumont de Mareuil † | Titular Bishop of Sion |
| 8 Dec | 48.3 | Francisco Antonio de la Riva y Mazo † | Archbishop of Santafé en Nueva Granada, Colombia |
| 21 Dec | 72.0 | Pedro Tamarón y Romeral † | Bishop of Durango, México |
| 25 Dec | 48.1 | José Luis de Lila y Moreno, O.S.A. † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 30 Dec | 74.0 | Pedro Agustín Morell de Santa Cruz y Lora † | Bishop of Santiago de Cuba |
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