| Date | Age | Bishop | Title |
| unknown | 60.0 | Guillaume de Barton † | Bishop Emeritus of Lectoure, France |
| unknown | | Giovanni Canavera, O.F.M. † | Bishop of Ales e Terralba, Italy |
| unknown | | Pedro de la Torre, O.F.M. Obs. † | Bishop of Paraguay (o Ssma Assunzione) |
| unknown | | Giulio Cesare de Gennaro † | Bishop of Nicotera, Italy |
| unknown | | Miguel Ibáñez † | Archbishop of Sassari, Italy |
| unknown | | Juan Jubí, O.F.M. † | Auxiliary Bishop of Barcelona, Spain |
| unknown | | Benedetto Loredano, O.S.B. † | Bishop of Korčula (Curzola, Cursola), Croatia |
| unknown | 72.0 | Felice de Massimi † | Bishop of Città Ducale, Italy |
| unknown | | Eugene MacBrehon, O. Carm. † | Bishop of Mayo, Ireland |
| unknown | | Arthur O’Frigil (Friel) † | Archbishop Emeritus of Tuam, Ireland |
| unknown | | Stanisław Dzedziński † | Auxiliary Bishop of Poznań, Poland |
| unknown | | Alphonse Vercelli † | Bishop of Lodève, France |
| 17 Jan | 63.0 | Pedro Ponce de Léon † | Bishop of Plasencia, Spain |
| 27 Jan | 49.0 | Diego Ramírez Sedeño de Fuenleal † | Bishop of Pamplona, Spain |
| Feb | | Christopher Bodkin † | Archbishop of Tuam, Ireland |
| Feb | 72.0 | Matteo Concini † | Bishop Emeritus of Cortona, Italy |
| 9 Feb | | Pietro Gritti (Gaitti) † | Bishop of Poreč (Parenzo), Croatia |
| 23 Feb | | Burchard Oberg † | Bishop of Hildesheim, Germany |
| 23 Feb | | Antonio Parragues de Castillejo, O.S.B. † | Archbishop of Cagliari, Italy |
| Mar | 40.1 | Charles Guillart † | Bishop Emeritus of Chartres, France |
| 2 Apr | 59.1 | Otto Truchseß von Waldburg † | Cardinal, Bishop of Augsburg, Germany |
| 16 May | 70.3 | Nicolaas van der Borcht † | Bishop of Middelburg, Netherlands |
| 29 May | | Bertrand de Marillac, O.F.M. † | Bishop of Rennes, France |
| 11 Jun | 64.4 | Leonardo Marini, O.P. † | Bishop Emeritus of Alba (Pompea), Italy |
| 16 Jun | 69.0 | Anton Vrancic (Verancsics) † | Cardinal, Archbishop of Esztergom, Hungary |
| 20 Jun | | Patrick Hepburn † | Bishop of Moray, Scotland, Great Britain |
| 4 Jul | 91.1 | Luigi Cherigato (Chierepati), O.F.M. † | Archbishop Emeritus of Bar (Antivari), Montenegro |
| 16 Jul | | Jérôme de Valperga † | Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
| 20 Aug | | Etienne Bouchier † | Bishop of Quimper, France |
| 7 Sep | 48.6 | Giovanni Aldobrandini † | Cardinal, Bishop Emeritus of Imola, Italy |
| 12 Sep | | Nicolas Clausse de Marchamont † | Bishop of Chalons-sur-Marne, France |
| 28 Sep | | Antoine Erlault † | Bishop of Chalons-sur-Saône, France |
| Oct | 54.7 | Pedro Leitão † | Bishop of São Salvador da Bahia de Todos os Santos, Brazil |
| 13 Oct | 44.7 | Urban Sagstetter † | Bishop of Gurk, Austria |
| 16 Oct | | Francisco Mejía de Molina, O.P. † | Auxiliary Bishop of Sigüenza, Spain |
| Nov | | Salvatore Caracciolo, C.R. † | Archbishop of Conza, Italy |
| Nov | | Adriano Vincenzi † | Bishop of Nebbio, France |
| 12 Nov | | Christian Kripper † | Auxiliary Bishop of Passau, Germany |
| 12 Nov | 65.9 | Friedrich von Wirsberg † | Bishop of Würzburg, Germany |
| 28 Dec | 52.9 | Antonio Altoviti † | Archbishop of Firenze {Florence}, Italy |
| 31 Dec | 40.9 | Andrea Rapicio † | Bishop of Trieste, Italy |