| Date | Age | Bishop | Title |
| unknown | 83.0 | Isidoro Spanò † | Auxiliary Bishop of Mazara del Vallo, Italy |
| 3 Jan | 83.2 | Patrício da Silva, O.S.A. † | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal |
| 11 Jan | 77.5 | Alexander MacDonell † | Bishop of Kingston, Ontario, Canada |
| 12 Jan | 67.8 | Carlo Emmanuelle Sardagna de Hohenstein † | Bishop Emeritus of Cremona, Italy |
| 13 Jan | 70.1 | Kajetan von Kowalski † | Auxiliary Bishop of Gniezno e Poznań, Poland |
| 17 Feb | 78.4 | Alessio Jordansky † | Bishop of Knin, Croatia |
| 21 Feb | 90.8 | Fortuné-Charles de Mazenod † | Bishop Emeritus of Marseille, France |
| 22 Feb | 65.1 | Felice Greco † | Bishop of San Marco e Bisignano, Italy |
| Mar | 58.2 | Antonio Raimondo Tore † | Archbishop of Cagliari, Italy |
| 8 Mar | 82.1 | Giuseppe Segna † | Bishop of Marsi, Italy |
| 21 Mar | 82.0 | Adam Friedrich von Groß zu Trockau † | Bishop of Würzburg, Germany |
| 21 Mar | 68.0 | Michele Amatore Lobetti † | Bishop of Asti, Italy |
| 22 Mar | 71.7 | Georg Mayer † | Bishop of Gurk, Austria |
| 3 Apr | 77.6 | Marie-Joseph-Antoine-Laurent de la Rivoire de La Tourette † | Bishop of Valence, France |
| 9 Apr | 66.1 | Johann Wilhelm Bausch † | Bishop of Limburg, Germany |
| 18 Apr | 86.8 | Gabriello Maria Gravina, O.S.B. † | Prelate of Santa Lucia del Mela, Italy |
| 19 Apr | 62.8 | Jean-Jacques Lartigue, P.S.S. † | Bishop of Montréal, Québec, Canada |
| 20 Apr | 81.7 | Bartolomeo Goglia † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
| 1 May | 80.7 | Jean-Marie-Dominique de Poulpiquet de Brescanvel † | Bishop of Quimper, France |
| 13 May | 48.1 | Jose Epigmenio Villanueva y Gomez de Eguiarreta † | Bishop-Elect of Antequera, Oaxaca, México |
| 11 Jun | 80.0 | Antonio Begni † | Bishop of Montefeltro, Italy |
| 12 Jul | 81.3 | Andrea Portanova † | Bishop of Lucera, Italy |
| 19 Jul | 63.5 | José Vicente de Unda † | Bishop of Mérida, Venezuela |
| 22 Jul | 81.0 | Ercole Dandini † | Cardinal, Priest of the Roman Curia - Other |
| 31 Jul | 46.1 | Jean-Louis Taberd, M.E.P. † | Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 5 Aug | 65.0 | Vincenzo Macioti † | Bishop of Ferentino, Italy |
| 6 Aug | | Wincenty Siedlecki † | Auxiliary Bishop of Foreign Diocese |
| 18 Aug | | Peter McLaughlin † | Bishop of Derry, Ireland |
| 26 Aug | 73.5 | Valery Henryk Kamionko † | Auxiliary Bishop of Lviv, Ukraine |
| 3 Sep | 69.0 | José Uraga Pérez † | Bishop of Guadix, Spain |
| 5 Sep | 71.4 | Anselmo Basilici † | Bishop of Nepi e Sutri, Italy |
| 6 Sep | 68.4 | Franz Ferdinand (Johann Franz) Fritz, O.S.B. † | Bishop of Hildesheim, Germany |
| 22 Sep | | Grégoire II Pierre VI Djeranian † | Patriarch of Cilicia (Armenian), Lebanon |
| 9 Oct | 80.3 | Pietro Ramazzini, O.C.D. † | Vicar Apostolic of Bombay, India |
| 23 Oct | 77.0 | Santos Gómez Marañón, O.S.A. † | Bishop of Cebu, Philippines |
| 24 Oct | 67.2 | Giovanni Maria Bua † | Archbishop of Oristano, Italy |
| 31 Oct | 67.5 | Ignacio Ribes Mayor † | Archbishop of Burgos, Spain |
| 1 Nov | 79.5 | José Antonio Azpeitia de y Sáenz de Santamaria † | Bishop of Cartagena (en España) |
| 13 Nov | 72.2 | Dámaso Egidio Iglesias y Lago † | Bishop of Orense, Spain |
| 18 Nov | 73.6 | Giovanni Francesco Falzacappa † | Cardinal, Prefect of the Apostolic Signatura |
| 2 Dec | 68.3 | Raffaello de Ghantuz Cubbe † | Bishop of Livorno, Italy |
| 3 Dec | 76.2 | Juan Antonio Lillo, O.F.M. † | Bishop of Nueva Caceres, Philippines |
| 13 Dec | 59.4 | Giuseppe-Maria Amorelli † | Bishop of Siracusa, Italy |
| 14 Dec | 46.1 | Agostino-Maria de Mari † | Bishop of Savona e Noli, Italy |
| 25 Dec | 71.5 | Antonio Savorin † | Bishop of Chioggia, Italy |