| Date | Age | Bishop | Title |
| unknown | 83.0 | Paolo Angelo Ballerini † | Patriarch of Alexandria of Egypt {Alessandria di Egitto} (-Eliopoli di Egitto-Port-Said) |
| unknown | 71.0 | Isidore-Joseph du Rousseaux † | Bishop of Tournai {Doornik}, Belgium |
| unknown | 64.0 | Enrico Mazzella † | Archbishop of Bari (-Canosa), Italy |
| unknown | 73.2 | Grégoire II Youssef † | Patriarch of Antiochia {Antioch} (Melkite), Syria |
| unknown | 63.0 | Alois Zorn † | Archbishop of Gorizia e Gradisca, Italy |
| 3 Jan | 62.7 | Guglielmo Sanfelice D'Acquavella, O.S.B. † | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 6 Jan | 72.5 | François-Marie Trégaro † | Bishop of Sées, France |
| 7 Jan | 50.2 | Antônio Joaquim de Medeiros † | Bishop of Macau, China |
| 14 Jan | 58.8 | John Carroll † | Bishop of Shrewsbury, England, Great Britain |
| 21 Jan | 65.8 | José Benito Salvador de la Reta, O.F.M. † | Auxiliary Bishop of San Juan de Cuyo, Argentina |
| 22 Jan | 79.2 | Angelo Bianchi † | Cardinal, Cardinal-Bishop of Palestrina, Italy |
| 22 Jan | 53.3 | João Fernando Santiago Esberard (Esberrard) † | Archbishop of São Sebastião do Rio de Janeiro, Brazil |
| 27 Jan | 58.3 | José María Caparrós y López † | Bishop of Sigüenza, Spain |
| 2 Feb | 67.4 | Annibale Barabesi † | Bishop of San Miniato, Italy |
| 22 Feb | 82.3 | Thomas Langdon Grace, O.P. † | Bishop Emeritus of Saint Paul, Minnesota, USA |
| 27 Feb | | Giuseppe Quandel, O.S.B. † | Abbot of Montecassino, Italy |
| 19 Mar | 59.9 | Crescencio Carrillo y Ancona † | Bishop of Yucatán (Mérida), Yucatán, México |
| 4 Apr | 52.0 | José María Blanco Barón † | Bishop of Avila, Spain |
| 9 Apr | | Nicola Lo russo † | Bishop of Sant’Angelo dei Lombardi-Bisaccia, Italy |
| 4 May | 46.3 | João Gomes Ferreira † | Bishop of Cochin, India |
| 16 May | 49.9 | Camillo Siciliano di Rende † | Cardinal, Archbishop of Benevento, Italy |
| 20 May | 63.7 | Davide Riccardi † | Archbishop of Torino {Turin}, Italy |
| 2 Jun | 65.2 | Peter Caprotti, P.I.M.E. † | Bishop of Hyderabad, India |
| 9 Jun | 53.6 | Francis August Anthony Joseph Janssens † | Archbishop of New Orleans, Louisiana, USA |
| 23 Jun | 55.7 | Wenceslao Oñate, O.P. † | Vicar Apostolic of Central Tonking {Tonkino Centrale}, Viêt Nam |
| 10 Aug | 47.2 | Jean-Nicolas Lemmens † | Bishop of Vancouver Island, USA |
| 11 Aug | 85.9 | Antolín Monescillo y Viso † | Cardinal, Archbishop of Toledo, Spain |
| 23 Aug | 73.1 | Jean-Baptiste-Théodore Duval † | Bishop of Soissons (-Laon), France |
| 22 Sep | 70.5 | Giuseppe Guarino † | Cardinal, Archbishop of Messina, Italy |
| 26 Sep | 75.0 | Joaquín Larraín Gandarillas † | Auxiliary Bishop of Santiago de Chile |
| 3 Oct | 84.0 | Tommaso Gallucci † | Bishop of Recanati-Loreto, Italy |
| 24 Oct | 60.6 | Leandro Arrúe Agudo, O.A.R. † | Bishop of Jaro, Philippines |
| 28 Oct | 61.7 | John Hutchinson, O.S.A. † | Vicar Apostolic of Cooktown, Australia |
| 6 Nov | 72.3 | Jean-Marie Bécel † | Bishop of Vannes, France |
| 12 Nov | 64.6 | Abel-Anastase Germain † | Bishop of Coutances (-Avranches), France |
| 14 Nov | 70.1 | Jacinto María Cervera y Cervera † | Bishop of Mallorca, Spain |
| 23 Nov | 77.7 | José María Gelabert y Crespo † | Bishop of Paraná, Argentina |
| 24 Nov | 68.7 | Antonius von Thoma † | Archbishop of München und Freising {Munich}, Germany |
| 3 Dec | 67.3 | Agustín Lucero Lazcano, O.P. † | Bishop of San Carlos de Ancud, Chile |
| 30 Dec | 64.7 | Prosper Auguste Dusserre † | Archbishop of Alger, Algeria |