| Date | Age | Bishop | Title |
| unknown | 53.7 | Manuel del Rio Flores, O.P. † | Bishop-Elect of Nueva Segovia, Philippines |
| unknown | | Matthaeus Georgius Stuccanovich † | Archbishop of Bar (Antivari), Montenegro |
| 1 Jan | 56.2 | Ettore Molza † | Bishop of Modena, Italy |
| 16 Jan | 63.0 | José Antonio Gutiérrez y Ceballos † | Archbishop of Lima, Peru |
| 17 Jan | 79.0 | Luigi Maria Lucini, O.P. † | Cardinal, Cardinal-Priest of San Sisto |
| 1 Feb | 63.7 | Manuel Isidro Orozco Manrique de Lara † | Archbishop of Santiago de Compostela, Spain |
| 4 Feb | 79.3 | Jean du Doucet (Dousset) † | Bishop of Belley, France |
| 20 Feb | | Thomas Stritch † | Coadjutor Bishop of Waterford and Lismore, Ireland |
| 22 Feb | 78.0 | Jean-Louis Cotyon de La Bourdonnaye † | Bishop of Saint-Pol-de-Léon, France |
| Mar | 75.6 | Domenico De Pace † | Archbishop of Lanciano, Italy |
| 11 Mar | 56.2 | Eustachius Entreri, O.M. † | Bishop of Nicotera, Italy |
| 18 Mar | 75.2 | Fernando Ignacio Arango Queipo, O.S.A. † | Bishop of Tui, Spain |
| 3 May | 71.3 | Denis-Alexandre Le Blanc, C.R.S.A. † | Bishop of Sarlat, France |
| 4 May | 63.3 | Antonio Maria Carafa, C.R. † | Bishop of Avellino e Frigento, Italy |
| 29 May | 47.4 | José Morales Blanco † | Bishop of Palencia, Spain |
| 16 Jun | 63.6 | Claude-Antoine Duding, O.S.Io.Hieros. † | Bishop of Lausanne, Switzerland |
| 24 Jun | 51.7 | Francisco Placido de Bejar, Monje Basilio † | Bishop of Puerto Rico (Porto Rico) |
| 3 Jul | 69.8 | Andrés de Paredes y Armendáriz † | Bishop of Quito, Ecuador |
| 24 Jul | 54.0 | Meinwerk Kaup, O.S.B. † | Auxiliary Bishop of Paderborn, Germany |
| Aug | 70.5 | Domenico Antonio Cirillo † | Bishop of Teano, Italy |
| 26 Aug | 77.7 | Paul-Robert Hertault de Beaufort † | Bishop of Lectoure, France |
| 7 Sep | 58.6 | Alessandro Magno, O. Cist. † | Bishop of San Marco (Argentano), Italy |
| 12 Sep | 74.8 | Vicko Zmajević † | Archbishop of Zadar (Zara), Croatia |
| 7 Oct | 59.4 | Antonius Kacich † | Archbishop of Split (Spalato), Croatia |
| 8 Oct | 87.4 | Giovanni Ghirardi † | Bishop of Montemarano, Italy |
| 29 Oct | 73.2 | Johann Baptist Haus † | Auxiliary Bishop of Basel, Switzerland |
| 2 Nov | 77.5 | José Platas † | Auxiliary Bishop of Santiago de Compostela, Spain |
| 20 Nov | 82.9 | Bartolomeo Massei † | Cardinal, Bishop of Ancona e Numana, Italy |
| 3 Dec | 52.6 | Giovanni Antonio Benzoni † | Bishop of Senj (-Modruš), Croatia |
| 5 Dec | 46.6 | Gabriel Patachich † | Archbishop of Kalocsa, Hungary |
| 6 Dec | 82.1 | Imre Esterházy, O.S.P.P.E. † | Archbishop of Esztergom, Hungary |
| 8 Dec | 69.8 | Dionigi Pieragostini † | Bishop of San Severino (Marche), Italy |
| 12 Dec | 69.6 | Giovanni Andrea Schiano † | Bishop of Massa Lubrense, Italy |
| 17 Dec | 77.0 | Alonso del Pozo y Silva † | Archbishop Emeritus of La Plata o Charcas, Bolivia |
| 23 Dec | 58.8 | François-Hyacinthe de La Fruglaye de Kervers † | Bishop of Tréguier, France |
| 29 Dec | 58.0 | Gaspar José Vázquez Tablada † | Bishop of Oviedo, Spain |
| 31 Dec | 62.6 | Agostino Rivarola † | Bishop of Albenga, Italy |