| Date | Age | Bishop | Title |
| unknown | 70.4 | Nicolaus Casali † | Bishop of Sarsina, Italy |
| unknown | 86.0 | François de Clugny † | Bishop Emeritus of Riez, France |
| unknown | 62.4 | Agostino Colaianni † | Bishop of Sora, Italy |
| unknown | | Hryhorij (Grzegorz) Koxanovyc (Kochanowicz) † | Archbishop of Kyiv-Halyč {Kiev} (Ruthenian), Ukraine |
| unknown | 69.3 | Michael Mdzewski † | Auxiliary Bishop of Płock, Poland |
| unknown | 73.9 | Giuseppe Maria de Mellis † | Bishop of Aquino e Pontecorvo, Italy |
| unknown | 82.9 | Juan Moya, O.F.M. † | Bishop Emeritus of Osma, Spain |
| unknown | 74.6 | Januarius Vincentius Tortora † | Bishop of Fondi (Fundi), Italy |
| Jan | 73.2 | Francesco Maria Ferreri, C.P. † | Bishop of Nicopoli, Bulgaria |
| 3 Jan | 71.9 | José de Santa Escolástica Álvares (Alves) Pereira, O.S.B. † | Archbishop of São Salvador da Bahia, Brazil |
| 3 Jan | 74.2 | Francisco Porró y Reinado † | Bishop of Tarazona, Spain |
| 4 Jan | 70.0 | Pedro Antonio Juano † | Bishop of Menorca, Spain |
| 14 Jan | | James Caulfield † | Bishop of Ferns, Ireland |
| 26 Jan | 89.9 | Manuel do Cenáculo Vilas Boas, T.O.R. † | Archbishop of Évora, Portugal |
| 10 Feb | 78.4 | Ranieri Mancini † | Bishop Emeritus of Fiesole, Italy |
| 13 Feb | 74.7 | Annibale Di Leo † | Archbishop of Brindisi, Italy |
| 14 Feb | 55.4 | Baldassare Rasponti † | Archbishop of Udine, Italy |
| 1 Mar | 86.2 | Manel María Trujillo Jurado, O.F.M. † | Bishop Emeritus of Albarracin, Spain |
| 17 Mar | 70.3 | Anton Kautschitz † | Bishop of Ljubljana, Slovenia |
| 8 Apr | 67.1 | Giacinto della Torre, O.S.A. † | Archbishop of Torino {Turin}, Italy |
| 12 Apr | 69.0 | António de São José de Castro, O. Cart. † | Bishop of Porto, Portugal |
| 13 Apr | 72.1 | Benedetto Solari, O.P. † | Bishop of Noli, Italy |
| 3 May | | Antonio Angelo Radovani † | Bishop of Shkodrë (Scutari), Albania |
| 16 May | 73.9 | Grzegorz Zachariasiewicz † | Auxiliary Bishop of Gniezno, Poland |
| 11 Jun | 82.3 | Antonio José Salinas y Moreno, O.F.M. † | Bishop of Tortosa, Spain |
| 8 Jul | 62.4 | John Chisholm † | Vicar Apostolic of Highland District, Scotland, Great Britain |
| 9 Jul | | Daniel Delany † | Bishop of Kildare and Leighlin, Ireland |
| 22 Jul | 52.8 | Michael Francis Egan, O.F.M. † | Bishop of Philadelphia, Pennsylvania, USA |
| 3 Aug | 66.2 | Gennaro Maria Guevara Suardo, O.S.B. † | Bishop of Aversa, Italy |
| 9 Aug | 55.3 | Anton Anhelovych (Angellowicz) † | Archbishop of Lviv (Ukrainian), Ukraine |
| 27 Aug | 72.6 | Filippo Angelico (Antonius Maria Alexander) Becchetti, O.P. † | Bishop Emeritus of Città della Pieve, Italy |
| 27 Aug | 87.4 | Vicente Ferreira da Rocha, O.P. † | Bishop of Castelo Branco, Portugal |
| 1 Sep | 72.5 | Charles de La Font de Savines † | Bishop Emeritus of Viviers (Aps), France |
| 14 Sep | 68.1 | Lorenzo Igual de Soria † | Bishop of Plasencia, Spain |
| 17 Sep | 66.0 | Bernardo Maria Cenicela, O.F.M. † | Archbishop of Reggio Calabria, Italy |
| 29 Sep | 78.4 | Henri Henrard, O.F.M. Conv. † | Apostolic Administrator Emeritus of Liège, Belgium |
| 8 Oct | 77.6 | Adalbert (Wilhelm Adolph Heinrich) von Harstall, O.S.B. † | Bishop of Fulda, Germany |
| 12 Oct | 54.2 | Juan Alejo de Arizmendi de La Torre † | Bishop of Puerto Rico (Porto Rico) |
| 16 Oct | 80.3 | Franciszek Ksawery Rydzyński † | Bishop of Chelmno (Culma, Kulm), Poland |
| 26 Oct | 65.3 | Antonio Luigi Landi, O.F.M. † | Vicar Apostolic of Shansi {Scian-Si} (Chan-Si), China |
| Nov | 76.3 | Pietro De Felice † | Bishop of Sessa Aurunca, Italy |
| 4 Nov | 71.7 | Dávid Zsolnay † | Bishop of Knin, Croatia |
| 7 Nov | 60.2 | Sigmund Christoph von Waldburg-Zeil-Trauchburg † | Bishop Emeritus of Chiemsee, Germany |
| 10 Nov | 59.8 | Gregorio Hermida y Gamba (Camba) † | Bishop of Oviedo, Spain |
| Dec | 68.7 | Mauro Paolo Giuseppe Antonino Michele Maria Mari, O.S.B. † | Bishop Emeritus of Dora |
| Dec | 64.2 | Cayetano Pallás, O.P. † | Bishop of Nueva Segovia, Philippines |
| 9 Dec | 79.7 | Joseph-Antoine (Maxime) Guisolan, O.F.M. Cap. † | Bishop of Lausanne, Switzerland |
| 14 Dec | 58.7 | Jean-Louis Florens, M.E.P. † | Coadjutor Vicar Apostolic of Se-Ciuen (Setchoan), China |
| 29 Dec | 65.9 | Francisco Rousset de Jesús y Rosas, O.F.M. † | Bishop of Sonora, México |