| Date | Age | Bishop | Title |
|---|
| unknown | | Carlo Belloni † | Bishop of Carpi, Italy |
| unknown | | James Butler (1st) † | Archbishop Emeritus of Cashel (-Emly), Ireland |
| unknown | | Vincenzo Castro † | Bishop of Castellaneta, Italy |
| unknown | | Ferdinando Crispo Doria † | Bishop of Castellammare di Stabia, Italy |
| unknown | 61.8 | Antonio Maria Gardini † | Bishop of Crema, Italy |
| unknown | | Giovanni Lotrecchi † | Bishop of Todi, Italy |
| unknown | 62.2 | Vincenzo Lupoli † | Bishop of Telese o Cerreto Sannita, Italy |
| unknown | | Salvatore Palica † | Bishop of Bisceglie, Italy |
| unknown | 72.0 | Arnaldo Speroni, O.S.B. † | Bishop of Adria, Italy |
| 10 Jan | 73.0 | Federico Maria Giovanelli † | Patriarch of Venezia {Venice}, Italy |
| 17 Jan | 53.8 | Rafael de Castello de Vide, O.F.M. † | Bishop of São Tomé e Príncipe |
| 17 Jan | 82.1 | Maximilian Augustinus Christoph Reichsfreiherr von Rodt † | Bishop of Konstanz {Constance}, Germany |
| 17 Jan | 75.1 | Peter Michael Vigil Reichsgraf von Thun und Hohenstein † | Bishop of Trento, Italy |
| 28 Jan | 54.2 | Juan Antonio de la Virgen María (Viana), O.C.D. † | Bishop of Almería, Spain |
| 3 Feb | 62.8 | Juan Félix de Villegas † | Archbishop of Guatemala |
| 10 Feb | 75.2 | Vincenzo Maria Altieri † | Cardinal, |
| 22 Feb | 78.0 | Alexander Franz Joseph Graf Engl von und zu Wagrain † | Bishop of Leoben, Austria |
| 29 Mar | 70.4 | Andrea Cardamone † | Archbishop of Rossano, Italy |
| 31 Mar | 85.8 | Pietro Paolo Tosi † | Bishop of Ferentino, Italy |
| 31 Mar | 71.2 | Feliks Paweł Turski † | Bishop of Kraków, Poland |
| 1 Apr | 63.8 | Juan Francisco Jiménez del Río † | Archbishop of Valencia, Spain |
| 3 Apr | 75.6 | Cayetano Antonio Cuadrillero Mota † | Bishop of León, Spain |
| 8 Apr | 78.3 | Andrea Gioannetti, O.S.B. † | Cardinal, Archbishop of Bologna, Italy |
| 10 Apr | | Joaquim Xavier Botelho de Lima † | Archbishop of Évora, Portugal |
| 5 May | | John Butler † | Bishop Emeritus of Cork, Ireland |
| 10 May | 76.2 | Felipe Antonio Solano Marín † | Bishop of Cuenca, Spain |
| 20 May | 63.6 | Joseph-Anne-Luc Falcombelle de Ponte d'Albaret † | Bishop of Sarlat, France |
| 25 May | 61.6 | Karl Godefried Ritter von Rosenthal † | Auxiliary Bishop of Olomouc, Czech Republic |
| 26 May | 70.6 | Iledfonso Núñez de Haro y Peralta † | Archbishop of México, Federal District |
| 27 Jun | 78.8 | Giovanni Battista Bussi de Pretis † | Cardinal, Bishop of Jesi, Italy |
| 14 Jul | 51.0 | Fermín José Fuero y Gómez Martinez Arañon † | Bishop of Chiapas (Ciudad Real de Chiapas), Chiapas, México |
| 16 Jul | 63.8 | Franz Freiherr von Raigesfeld, S.J. † | Auxiliary Bishop of Ljubljana, Slovenia |
| 3 Sep | 66.3 | François de Bonnal (Bonal) † | Bishop of Clermont, France |
| 22 Sep | 88.0 | Dominique de La Rochefoucauld † | Cardinal, Archbishop of Rouen, France |
| 23 Sep | 65.1 | Antonio Ramón de Espinosa y Lorenzo, O.P. † | Bishop of Mérida, Venezuela |
| 29 Sep | 74.2 | Juan Díaz de La Guerra † | Bishop of Sigüenza, Spain |
| Oct | 86.5 | Adam Stanisław Krasiński † | Bishop Emeritus of Kamyanets-Podilskyi, Ukraine |
| Oct | 64.6 | Antonio Martínez de la Plaza † | Bishop of Cádiz, Spain |
| 27 Oct | 74.1 | Vincenzo Ranuzzi † | Cardinal, Bishop of Ancona e Numana, Italy |
| 6 Nov | 84.1 | José Luis Mollinedo † | Bishop of Palencia, Spain |
| 8 Dec | 71.9 | Louis-Emmanuel de Cugnac † | Bishop of Lectoure, France |
| 8 Dec | 61.7 | Felipe Antonio Fernández Vallejo † | Archbishop of Santiago de Compostela, Spain |
| 25 Dec | 73.0 | Giuseppe Anton Maria Corte, O.S.A. † | Bishop of Mondovi, Italy |
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