| Date | Age | Bishop | Title |
| unknown | 49.0 | Florence MacCarthy † | Coadjutor Bishop of Cork, Ireland |
| unknown | 64.3 | Luis Rodrigues Vilares † | Bishop of Funchal, Portugal |
| 4 Jan | 77.5 | Klemens August Maria von Merle † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 6 Jan | 83.7 | Bonifacio Da Ponte, O.S.B. † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| 10 Jan | 62.7 | José Antonio Garnica, O.F.M. Cap. † | Bishop of Osma, Spain |
| 19 Jan | 55.0 | Paolo Bartoli † | Bishop of Città di Castello, Italy |
| 27 Jan | 66.5 | Marcello Maria Benci † | Bishop of Colle di Val d’Elsa, Italy |
| 27 Jan | 70.0 | Scipione de’ Ricci † | Bishop Emeritus of Pistoia e Prato, Italy |
| 7 Feb | 79.2 | Reginaldo Coppola, O.P. † | Bishop of San Marco (Argentano), Italy |
| 12 Feb | 62.7 | Joaquín Carrillo Mayoral † | Bishop of Zamora, Spain |
| 21 Feb | 88.1 | Claude-François-Ignace Franchet de Rans † | Auxiliary Bishop of Besançon, France |
| 29 Mar | 69.4 | Ferenc Szanyi † | Bishop of Rožňava, Slovakia |
| 21 Apr | 71.1 | Philipp Franz Wilderich Nepomuk von Walderdorf † | Bishop of Speyer, Germany |
| 23 Apr | 83.1 | Joseph-Marie Paget † | Bishop Emeritus of Genève {Geneva}, Switzerland |
| 28 Apr | 80.6 | Filippo Carandini † | Cardinal, Cardinal-Deacon of Sant’Eustachio |
| 29 Apr | | Edward French † | Bishop of Elphin, Ireland |
| May | 87.9 | Michele Continisi † | Bishop of Giovinazzo e Terlizzi, Italy |
| 7 May | 67.3 | Angiolo (Angelo) Cesarini † | Titular Bishop of Milevum |
| 14 May | 81.3 | Sebastiano de Rosa † | Bishop of Avellino e Frigento, Italy |
| 14 Jun | 55.7 | Silvester Bubanovich † | Bishop of Križevci (Kreutz) (Križevci), Croatia |
| 19 Jun | 62.5 | Richard Luke Concanen, O.P. † | Bishop of New York, New York, USA |
| 21 Jun | 77.1 | Giovanni Battista Caprara Montecuccoli † | Cardinal, Archbishop of Milano {Milan}, Italy |
| 17 Jul | 61.3 | Luis Ignatius Peñalver y Cárdenas † | Archbishop Emeritus of Guatemala |
| 23 Jul | 80.4 | Benito Uría Valdés, O.S.B. † | Bishop of Ciudad Rodrigo, Spain |
| 4 Aug | 53.1 | Miguel Sánchez Cerrudo, O.F.M. † | Bishop of Santa Marta, Colombia |
| 22 Aug | 75.0 | Jérôme-Marie Champion de Cicé † | Archbishop of Aix, France |
| 11 Sep | 76.3 | Francesco Antonio Duca † | Bishop of Castro di Puglia, Italy |
| 12 Sep | 72.3 | Marco Zaguri † | Bishop of Vicenza, Italy |
| 14 Sep | 65.3 | Wilhelm Florentin von Salm-Salm † | Archbishop of Praha {Prague}, Czech Republic |
| 26 Sep | 78.4 | Giovanni Luca Solari † | Bishop of Brugnato, Italy |
| 7 Oct | 74.9 | Claude-Louis Rousseau † | Bishop of Orléans, France |
| 21 Dec | 72.3 | Juan Agapito Ramírez Arellano † | Bishop of Gerona, Spain |