| Date | Age | Bishop | Title |
| unknown | 37.0 | Ludovico Das Chagas, O.S.A. † | Bishop of São Tomé e Príncipe |
| unknown | 67.0 | Alexandre de Jouanne de Saumery † | Bishop of Rieux, France |
| unknown | | Andrea de Robertis † | Bishop of Policastro, Italy |
| Jan | 64.2 | Plácido Bailés Padilla, O.S.A. † | Bishop of Plasencia, Spain |
| 12 Jan | 56.8 | Antonio Maria Pescatori, O.F.M. Cap. † | Bishop of Gallipoli, Italy |
| 16 Jan | 79.8 | Carlo Maria Marini † | Cardinal, Cardinal-Deacon of S. Maria in Via Lata |
| 25 Jan | 64.4 | Juan Antonio de Vizarrón y Eguiarreta † | Archbishop of México, Federal District |
| Feb | | Thomas O’Beirne † | Bishop of Ardagh (and Clonmacnois), Ireland |
| 20 Mar | 51.2 | Troiano Acquaviva d’Aragona † | Cardinal, Archbishop of Monreale, Italy |
| 21 Mar | 74.5 | Giuseppe Accoramboni † | Cardinal, Bishop of Frascati, Italy |
| 21 Mar | 84.3 | Vincenzo Petra † | Cardinal, Cardinal-Bishop of Palestrina |
| 1 Apr | 63.3 | Pedro Morcillo Rubio de Suñón † | Bishop of Cuzco, Peru |
| 15 Apr | 83.0 | Armand-Pierre de la Croix de Castries † | Archbishop of Albi, France |
| 23 Apr | 75.5 | Henri-Osvald de La Tour d'Auvergne de Bouillon † | Cardinal, Archbishop Emeritus of Vienne, France |
| 6 May | 69.0 | Juan García Abadiano † | Bishop of Caracas, Santiago de Venezuela |
| 26 May | 66.7 | St. Pedro Sanz, O.P. † | Vicar Apostolic of Fo-Kien, China |
| 27 May | 67.4 | Bernard MacMahon (McMahon) † | Archbishop of Armagh, Ireland |
| 12 Jun | 57.4 | Jakob Ernst Graf von Liechtenstein-Kastelkorn † | Archbishop of Salzburg, Austria |
| 24 Jul | 76.4 | Kaspas Ignaz Freiherr von Künigl zu Ehrenburg † | Bishop of Brixen {Bressanone}, Italy |
| 13 Aug | 59.4 | João de Moreira, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 20 Aug | 83.6 | Teige McCarthy Rabagh † | Bishop of Cork, Ireland |
| 7 Sep | 77.8 | Johann Bernhard Mayer † | Auxiliary Bishop of Würzburg, Germany |
| 10 Sep | | Giovanni Soffietti † | Bishop of Adria, Italy |
| 15 Sep | 58.8 | Pedro Cáceres Casado † | Bishop of Astorga, Spain |
| 28 Sep | 48.2 | Philipp Ludwig von Sinzendorf † | Cardinal, Bishop of Wrocław, Poland |
| 4 Oct | 62.1 | João de Motta e Silva † | Cardinal, Cardinal-Priest |
| 24 Oct | 47.6 | Francisco Juan Leiza (de Leyva) † | Auxiliary Bishop of Tlaxcala, Tlaxcala, México |
| 26 Oct | 62.6 | Bernardino Ignazio Rovèro, O.F.M. Cap. † | Bishop of Novara, Italy |
| 28 Oct | | Dominique-Laurent de Balbe de Berton de Crillon † | Bishop of Glandèves, France |
| 5 Nov | 68.1 | Gherardo Zandemaria † | Bishop of Piacenza, Italy |
| 11 Dec | 73.3 | Christoph Ignaz von Gudenus † | Auxiliary Bishop of Mainz, Germany |
| 12 Dec | 71.7 | Clemente Comenge Avio † | Bishop of Ciudad Rodrigo, Spain |
| 29 Dec | 68.0 | Salvador Bermúdez y Becerra † | Archbishop of La Plata o Charcas, Bolivia |