| Date | Age | Bishop | Title |
|---|
| 8 Jan | 53.9 | José Marín y Ibáńez † | Bishop of Almería, Spain |
| 16 Jan | 60.6 | Johann Anton Wallreuther † | Auxiliary Bishop of Worms, Germany |
| 17 Jan | 50.3 | Ernst Friedrich von Twickel † | Auxiliary Bishop of Hildesheim, Germany |
| 18 Jan | 47.1 | Stephanus Ladislaus Luzénszky † | Titular Bishop of Thyatira |
| 24 Jan | 76.0 | Louis Milon † | Bishop of Condom, France |
| 25 Jan | 64.8 | Johann Baptist von Reinach-Hirzbach † | Coadjutor Bishop of Basel, Switzerland |
| 26 Jan | 76.9 | Alessandro Falconieri † | Cardinal, Cardinal-Deacon of Santa Maria della Scala |
| 26 Jan | 75.0 | Giovanni Battista Missiroli † | Bishop of Bertinoro, Italy |
| 9 Feb | 67.3 | Diego Astorga y Céspedes † | Cardinal, Archbishop of Toledo, Spain |
| 26 Feb | 46.6 | Tomasz Załęski, O.P. † | Bishop-Elect of Bacău, Romania |
| Mar | 64.0 | Domenico Rossi † | Bishop of Vulturara e Montecorvino, Italy |
| 10 Mar | 48.9 | Ferdinando Agostino Bernabei, O.P. † | Bishop of Osimo e Cingoli, Italy |
| 22 Mar | 92.2 | Bonaventure Joseph Giffard † | Vicar Apostolic of London District, England, Great Britain |
| 23 Apr | 76.4 | Michel-Gabriel Rossillon de Bernex † | Bishop of Genčve {Geneva}, Switzerland |
| 26 Apr | 60.3 | Alexander Antoni Pleszowice Fredro † | Bishop of Przemyśl, Poland |
| May | 83.0 | Sebastiano Pompilio Bonaventura † | Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 1 May | 69.2 | Franz Joseph Supersaxo † | Bishop of Sion {Sitten}, Switzerland |
| 12 May | 74.5 | Fabrizio Pignatelli † | Bishop of Lecce, Italy |
| 16 May | 49.7 | Antonio Maria Ghislieri † | Titular Bishop of Azotus |
| Jun | 43.4 | Emmanuel Caranza † | Bishop of Syros (e Milos), Greece |
| 8 Jun | 69.5 | Andrés Cid de San Pedro Fernández, O. Cist. † | Bishop of Orense, Spain |
| 20 Jun | 51.9 | Mihály Frigyes Althan † | Cardinal, Bishop of Vác, Hungary |
| 30 Jun | 50.6 | Pierre-Guillaume de La Vieuxville † | Bishop of Bayonne, France |
| 13 Aug | | Denis Delfino † | Patriarch of Aquileia, Italy |
| 14 Aug | 67.2 | Alessandro Aldobrandini † | Cardinal, Cardinal-Priest of Santi Quattro Coronati |
| 27 Aug | 53.1 | Thomas Schenklin, O.S.B. † | Abbot of Maria Einsiedeln, Switzerland |
| 2 Sep | 68.6 | Manuel José de Santa María y Salazar † | Bishop of Lugo, Spain |
| 14 Sep | 75.1 | Giuseppe Schinosi † | Bishop of Caserta, Italy |
| Oct | 72.0 | Gabriele de Marchis (Marchi) † | Bishop of Sora, Italy |
| 24 Oct | | Pedro Gregorio Padilla † | Bishop of Huesca, Spain |
| 28 Oct | 66.1 | Andrea Luigi Cattani † | Bishop of San Miniato, Italy |
| 28 Oct | 58.2 | Nicola Pignatelli † | Bishop of Minervino Murge, Italy |
| 29 Oct | 57.8 | Diomedes Bianconi † | Bishop of Guardialfiera (Guardia), Italy |
| 6 Nov | 66.0 | Nicolás Carlos Gómez de Cervantes y Velázquez de la Cadena † | Bishop of Guadalajara, Jalisco, México |
| 12 Nov | | Antoine-François de Bliterswyck de Montcley † | Archbishop of Besançon, France |
| 14 Nov | 71.6 | Marco Gradenigo † | Patriarch of Venezia {Venice}, Italy |
| 18 Nov | 83.4 | André-Daniel de Beaupoil de Saint-Aulaire † | Bishop Emeritus of Tulle, France |
| 5 Dec | 82.8 | Francesco Pignatelli (Sr.), C.R. † | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 9 Dec | 54.7 | Melchor Angel Gutiérrez Vallejo † | Bishop of Pamplona, Spain |
| 25 Dec | 54.3 | Antal Kázmér von Thurn und Valsassina † | Bishop of Pécs, Hungary |
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