| Date | Age | Bishop | Title |
| unknown | | Rosario Vincenzo Benza † | Bishop of Nicosia, Italy |
| unknown | | Serafino Carchero, O.F.M. Cap. † | Bishop of Bisarchio o Bisarcio, Italy |
| unknown | 83.9 | Gaetano Maria de Franci † | Archbishop of Trani e Nazareth e Bisceglie, Italy |
| unknown | | Giovanni Battista Rosani † | President of the Pontifical Ecclesiastical Academy |
| 5 Mar | 89.3 | Jozef Bélik † | Bishop of Spiš, Slovakia |
| 29 Mar | 70.5 | Bernard Georg Kellermann † | Bishop-Elect of Münster, Germany |
| 1 Apr | 74.9 | John Murphy † | Bishop of Cork, Ireland |
| 16 Apr | 72.9 | Juan José Cabarcas González y Argüello † | Bishop of Panamá |
| 23 Apr | 69.3 | Paolo Polidori † | Cardinal, Prefect of the Congregation of the Council |
| 25 Apr | | Thomas Coen † | Bishop of Clonfert, Ireland |
| 24 May | 71.6 | Ludovico Micara, O.F.M. Cap. † | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 26 May | 72.4 | Manoel Joaquim Gonçalves de Andrade † | Bishop of São Paulo, Brazil |
| 19 Jun | 45.4 | William Clancy † | Vicar Apostolic Emeritus of British Guiana, Guyana, Antilles |
| 20 Jun | 63.4 | Pawel Straszynski † | Bishop of Sejny o Sejna o Augustów, Poland |
| 21 Jun | 81.3 | Francisco Javier Cienfuegos Jovellanos † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 23 Jun | 44.3 | Charles Januarius Acton † | Cardinal, Prefect of the Congregation for Indulgences and Relics |
| 1 Jul | 57.0 | João Henriques Monis † | Bishop of Santiago de Cabo Verde |
| 9 Jul | 77.4 | Tomas Manoel de Noronha e Brito, O.P. † | Bishop Emeritus of Olinda, Brazil |
| Aug | | Giovanni De Simone † | Bishop of Conversano, Italy |
| 11 Aug | 47.6 | Francis George Mostyn † | Vicar Apostolic of Northern District, England, Great Britain |
| 12 Aug | 56.1 | Thomas Griffiths † | Vicar Apostolic of London District, England, Great Britain |
| 20 Aug | 88.2 | Jean-Armand Chaudru de Trélissac † | Bishop Emeritus of Montauban, France |
| 24 Aug | 63.3 | Ivan (Jan) Snihurskyj (Snigurski) † | Bishop of Przemyśl (Ukrainian), Poland |
| 29 Sep | 59.6 | Anton Gottfried Claessen † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 30 Sep | 77.0 | Giuseppe Alberghini † | Cardinal, Cardinal-Priest of S. Prisca |
| 1 Oct | 43.0 | Michael Power † | Bishop of Toronto, Ontario, Canada |
| 6 Oct | 82.3 | Joseph-Julien de Saint-Rome-Gualy † | Bishop of Carcassonne, France |
| 7 Oct | 78.6 | Francisco Pablo Vásquez Bizcaíno (y Sánchez) † | Bishop of Tlaxcala, Tlaxcala, México |
| 2 Nov | 40.7 | William Riddell † | Vicar Apostolic of Northern District, England, Great Britain |
| 6 Nov | 80.1 | Francisco Garcia Cantarines † | Auxiliary Bishop of Antequera, Oaxaca, México |
| 22 Nov | 88.1 | Placido Maria Tadini, O.C.D. † | Cardinal, Archbishop of Genova, Italy |
| 23 Nov | 35.1 | Jean-Benoît Truffet, C.S.Sp. † | Vicar Apostolic of Two Guineas {Des Deux Guinées}, Gabon |
| 2 Dec | 75.1 | Ján Krstitel Ladislav Pyrker (Pryker), O. Cist. † | Archbishop of Eger, Hungary |
| 27 Dec | | Fortunato Maria Ercolani, C.P. † | Bishop of Civita Castellana, Orte e Gallese, Italy |
| 29 Dec | 75.4 | Félix Torres Amat † | Bishop of Astorga, Spain |