| Date | Age | Bishop | Title |
| unknown | 49.0 | Francesco Albertini † | Bishop of Terracina, Priverno e Sezze, Italy |
| unknown | | João Joaquim Bernardino de Brito † | Bishop of Funchal, Portugal |
| unknown | 74.5 | Andrzej Choloniewski † | Auxiliary Bishop of Vilnius, Lithuania |
| unknown | | António Luís da Veiga Cabral e Câmara † | Bishop of Bragança e Miranda, Portugal |
| unknown | | Ludovico Ludovici (Ludovico), O.F.M. † | Bishop of Policastro, Italy |
| unknown | | Francisco Monteiro Pereira de Azevedo † | Bishop of Viseu, Portugal |
| unknown | 90.8 | José Pérez Armendáriz † | Bishop of Cuzco, Peru |
| 20 Jan | 57.6 | Maria-Thaddeus von Trauttmansdorf Wiensberg † | Cardinal, Archbishop of Olomouc, Czech Republic |
| 25 Jan | 81.9 | Fabien-Sébastien Imberties † | Bishop of Autun, France |
| 23 Feb | | Michael Corcoran † | Bishop of Kildare and Leighlin, Ireland |
| 9 Mar | | Patrick Ryan † | Bishop of Ferns, Ireland |
| 15 Mar | 57.4 | Karol Perényl † | Auxiliary Bishop of Esztergom, Hungary |
| 17 Mar | 77.3 | Nicolás Videla del Pino † | Bishop of Salta, Argentina |
| 2 Apr | 72.1 | Maciej Pawel Mozdzeniewski † | Auxiliary Bishop of Mohilev, Belarus |
| 18 Apr | 64.5 | Franciszek Skarbek von Malczewski † | Archbishop of Warszawa {Warsaw}, Poland |
| 28 Apr | 79.2 | Jean-Baptiste de Chabot † | Bishop Emeritus of Mende, France |
| 1 May | 58.8 | Rafael Andreu Guerrero † | Auxiliary Bishop of La Plata o Charcas, Bolivia |
| 13 May | 78.4 | Giulio Cesare Pallavicini † | Bishop of Luni e Sarzana, Italy |
| 20 Jun | 75.6 | Rafael Tomás Menéndez Luarca y Queipo de Llano † | Bishop of Santander, Spain |
| 18 Jul | 71.4 | Antonio Bergosa y Jordán † | Archbishop of Tarragona, Spain |
| 19 Jul | 51.9 | Antônio de São José Bastos, O.S.B. † | Bishop of Olinda, Brazil |
| 21 Jul | 75.7 | Giovanni Battista Zauli † | Cardinal, Cardinal-Priest of S. Onofrio |
| 17 Aug | 68.5 | François Joseph Hirn † | Bishop of Tournai {Doornik}, Belgium |
| 6 Sep | 68.4 | Marcos Cabello Lopez, O.S.A. † | Bishop of Guadix, Spain |
| 12 Sep | 71.4 | Alessandro Malvasia † | Cardinal, Cardinal-Priest of S. Croce in Gerusalemme |
| 18 Sep | 75.5 | Francesco Milesi † | Patriarch of Venezia {Venice}, Italy |
| 19 Sep | 68.5 | Francesco Ridolfi † | Titular Bishop of Carystus |
| 28 Sep | 81.7 | Andrej (André) Szabó † | Bishop of Košice, Slovakia |
| 30 Sep | 67.5 | Bartolomeo Cesare † | Bishop of Potenza e Marsico Nuovo, Italy |
| 6 Oct | 63.7 | Francesco Scipio Dondi Orologio † | Bishop of Padova {Padua}, Italy |
| 6 Oct | 72.6 | Giovanni Filippo Gallarati Scotti † | Cardinal, Prefect Emeritus of the Prefecture of the Papal Household |
| 9 Oct | 73.9 | Franz Karl Joseph Fürst von Hohenlohe-Waldenburg-Schillingsfürst † | Bishop of Augsburg, Germany |
| 17 Oct | 78.0 | Joaquín González Terán, O.P. † | Bishop Emeritus of Albarracin, Spain |
| 22 Oct | 66.1 | Nikodem Puzyna † | Auxiliary Bishop of Vilnius, Lithuania |
| 29 Oct | | Edmond Derry † | Bishop of Dromore, Ireland |
| 23 Nov | 85.0 | Johann Michael Josef von Pidoll de Quitenbach † | Bishop of Le Mans, France |
| 16 Dec | 70.8 | Romualdo Antonio Mon Velarde † | Archbishop of Sevilla {Seville}, Spain |