| Date | Age | Bishop | Title |
|---|
| unknown | 53.0 | Manoel a Nativitate do Nascimento, O.S.H. † | Bishop of São Tomé e Príncipe |
| unknown | | Stanisław Domaniewski † | Titular Bishop of Mactaris |
| unknown | 83.0 | Gabriel de Guillistegui, O.F.M. † | Bishop of La Paz, Bolivia |
| unknown | | Federico Martinotti (Martinozzi) † | Bishop of Sarsina, Italy |
| unknown | | Antônio de Santa Maria † | Bishop-Elect of São Luís do Maranhão, Brazil |
| unknown | | Philippus Stanislaus † | Bishop of Nicopoli, Bulgaria |
| unknown | 45.0 | Ivan Smolianović (Szmolianovich) † | Bishop of Senj (-Modruš), Croatia |
| Jan | 55.0 | Carlo Falconi † | Bishop of Castellaneta, Italy |
| Jan | 67.0 | Filippo Galilei † | Bishop of Cortona, Italy |
| 25 Jan | | Pedro de Godoy, O.P. † | Bishop of Sigüenza, Spain |
| 27 Jan | | Wojciech Jan Koryciński † | Archbishop of Lviv, Ukraine |
| 2 Feb | 55.3 | Sigmund Alphons von Thun † | Bishop of Brixen {Bressanone}, Italy |
| 21 Feb | 69.7 | Girolamo Buonvisi † | Cardinal, Bishop of Lucca, Italy |
| 21 Feb | 71.1 | Michel Poncet † | Archbishop of Bourges, France |
| 14 Mar | 66.2 | Flaminio Marcellino † | Bishop of Cesena, Italy |
| 16 Mar | 66.0 | Francisco de Rois y Mendoza, O. Cist. † | Archbishop of Granada, Spain |
| 21 Mar | 71.2 | Diego de Silva y Pacheco, O.S.B. † | Bishop of Astorga, Spain |
| 15 Apr | 65.3 | Andreas Ridolfi, O.F.M. Conv. † | Auxiliary Bishop of Constantinople |
| 29 Apr | 62.3 | Jean-Albert Belin, O.S.B. † | Bishop of Belley, France |
| 29 Apr | 56.3 | Tommaso Brancaccio † | Bishop of Nardò, Italy |
| May | 45.1 | Francesco Grassi † | Bishop of Nona (Nin), Croatia |
| 2 May | 54.3 | Jean de Meaupéou † | Bishop of Chalons-sur-Saône, France |
| 17 May | 49.4 | René de Sauvages † | Bishop of Lavaur, France |
| 22 Jun | | Angelo Maldachini, O.P. † | Bishop of San Severino (Marche), Italy |
| 17 Jul | 62.5 | Agustín Antolínez, O.S.A. † | Bishop of Badajoz, Spain |
| 24 Jul | | Ignace André Akhidjan † | Patriarch of Antiochia {Antioch} (Syrian), Lebanon |
| Aug | 49.3 | Giovanni Battista Desio † | Bishop of Venosa, Italy |
| 1 Aug | 73.6 | Camillo Ragona † | Bishop of Capaccio, Italy |
| 5 Aug | 75.6 | Maciej Bystrom (Bystram) † | Auxiliary Bishop of Chelmno (Culma, Kulm), Poland |
| 16 Aug | 66.6 | Carlo Nembrini † | Bishop of Parma, Italy |
| 29 Aug | 56.6 | Andrzej Olszowski † | Archbishop of Gniezno, Poland |
| 31 Aug | 73.7 | Giulio Gabrielli † | Cardinal, Bishop Emeritus of Ascoli Piceno, Italy |
| 12 Sep | 57.7 | Camillo Massimo (Massimi) † | Cardinal, Cardinal-Priest of Sant’Anastasia |
| 25 Sep | | Antonio Geremia de Bufalo, O.F.M. † | Bishop of Gallipoli, Italy |
| 28 Sep | 51.7 | Pascual de Aragón-Córdoba-Cardona y Fernández de Córdoba † | Cardinal, Archbishop of Toledo, Spain |
| 28 Sep | | Alberto Badoer † | Bishop of Crema, Italy |
| Oct | 62.8 | Ottaviano della Rovere, B. † | Bishop of Fossano, Italy |
| Nov | 68.1 | Francisco de Loyola y Vergara, O.S.A. † | Bishop of Concepción, Chile |
| 16 Nov | 76.9 | Giovanni Tommaso Perrone † | Bishop of Nicastro, Italy |
| 7 Dec | | Joseph-Marie de Suarès † | Bishop Emeritus of Vaison, France |
| 8 Dec | | Nicolas Pavillon † | Bishop of Alet, France |
| 26 Dec | 46.0 | Bernhard Gustav von Baden-Durlach, O.S.B. † | Cardinal, Cardinal-Priest of Santa Susanna |
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