| Date | Age | Bishop | Title |
| 8 Jan | 65.8 | José Benedicto Torres Romero † | Bishop of Arequipa, Peru |
| 13 Jan | 72.0 | Louis-Anne Dubreil † | Archbishop of Avignon (-Apt, Cavaillon, Carpentras, Orange, e Vaison), France |
| 17 Jan | 76.1 | Tobia Masacci † | Bishop of Sarsina, Italy |
| 23 Jan | 76.0 | Antonio Maria Fanìa, O.F.M. † | Bishop of Potenza e Marsico Nuovo, Italy |
| 31 Jan | 69.0 | Enrico Gajo, O.F.M. Cap. † | Bishop of Bobbio, Italy |
| 18 Mar | 70.5 | Giuseppe Maria Alberti † | Bishop of Syros (e Milos), Greece |
| 25 Mar | 66.0 | Joseph-Auguste Chevalier, M.E.P. † | Vicar Apostolic of Mysore, India |
| 12 Apr | 83.9 | Thomas Joseph Brown, O.S.B. † | Bishop of Newport and Menevia, Wales, Great Britain |
| 14 Apr | 55.4 | Anthony Dominic Ambrose Pellicer † | Bishop of San Antonio, Texas, USA |
| 3 May | 66.3 | Stephen Fennelly † | Vicar Apostolic of Madras, India |
| 8 May | 52.9 | Antoine Horner † | Prefect Emeritus of Zanguebar, Kenya |
| 9 May | 55.4 | Manuel Cerón † | Bishop of Cartagena, Colombia |
| 13 May | 63.4 | Mariano Positano † | Bishop of Castellaneta, Italy |
| 17 May | 63.9 | Paolo dei Conti Fabiani † | Bishop of Assisi, Italy |
| 18 May | 64.6 | Louis-Édouard-François-Désiré Pie † | Cardinal, Bishop of Poitiers, France |
| 24 May | 67.3 | Giuseppe Aggarbati, O.S.A. † | Bishop Emeritus of Senigallia, Italy |
| 11 Jun | 71.1 | Francisco de Paula Moreno y Andreu † | Bishop of Teruel (-Albarracín), Spain |
| 1 Jul | 65.9 | Bernardo Conde y Corral, O. Praem. † | Bishop of Zamora, Spain |
| 7 Jul | 59.2 | Francesco Latoni † | Bishop of Senigallia, Italy |
| 30 Jul | 73.3 | Francesco Saverio Apuzzo † | Cardinal, Archbishop of Capua, Italy |
| 18 Aug | 66.5 | Raffaele Gagliardi † | Bishop of Sessa Aurunca, Italy |
| 27 Aug | 59.0 | John Baptist Scandella † | Vicar Apostolic of Gibraltar |
| 29 Sep | 41.4 | François-Charles-Marie Gillard † | Bishop-Elect of Constantine (-Hippone), Algeria |
| 1 Oct | 71.0 | Félix-Joseph-François-Barthélemy de Las Cases † | Bishop Emeritus of Constantine (-Hippone), Algeria |
| 2 Oct | 41.9 | Juan Estévanes y Seminario, O.F.M. † | Bishop of Puno, Peru |
| 5 Oct | 63.9 | Pierre-Anastase Pichenot † | Archbishop of Chambéry, France |
| 6 Oct | 52.7 | Marie-Ludovic Roche † | Bishop of Gap, France |
| 13 Oct | 54.5 | William Dominic O’Carroll, O.P. † | Coadjutor Archbishop of Port of Spain, Trinidad and Tobago, Antilles |
| 14 Oct | 63.6 | Bartolomeo Pacca, Jr. † | Cardinal, Priest of the Roman Curia - Other |
| 17 Nov | 77.5 | Joseph Ponsot, M.E.P. † | Vicar Apostolic of Yünnan, China |
| 24 Nov | 87.2 | Józef Michal Juszyński † | Bishop of Sandomierz, Poland |
| 28 Nov | 43.2 | Aires de Ornelas de Vasconcelos † | Archbishop of Goa, India |
| 4 Dec | 69.6 | Ludovico Ideo, O.P. † | Bishop of Lipari, Italy |
| 17 Dec | 62.6 | Achilles Rinaldini † | Titular Bishop of Cyrene |
| 23 Dec | 80.2 | Vincenzo d’Alfonso † | Bishop of Penne e Atri, Italy |
| 29 Dec | 67.9 | Valentin Wiery † | Bishop of Gurk, Austria |