| Date | Age | Bishop | Title |
|---|
| unknown | | Juan Bautista Bagaroto † | Bishop of Bobbio, Italy |
| unknown | 28.0 | Ercole Baglioni † | Bishop of Orvieto, Italy |
| unknown | | Vincenzo Boverio † | Bishop of Noli, Italy |
| unknown | | Galeazzo Butrigarius † | Bishop-Elect of Caiazzo, Italy |
| unknown | | Antonio de Cavalleria † | Bishop of Vulturara e Montecorvino, Italy |
| unknown | | Nicolaus de Coquinovillari, O.S.A. † | Auxiliary Bishop of Rouen, France |
| unknown | | Beltrame Costabili † | Bishop of Adria, Italy |
| unknown | | Bernardo de’ Medici † | Bishop of Forli, Italy |
| unknown | | Etienne † | Auxiliary Bishop of Zagreb (Agram), Croatia |
| unknown | | Heinrich von Hattingen, O. Carm. † | Auxiliary Bishop of Minden, Germany |
| unknown | | Bertrand de Lahet † | Bishop of Bayonne, France |
| unknown | | Jean de La Marthonie † | Bishop Emeritus of Acqs (Dax), France |
| unknown | | Martin Martinovich † | Bishop of Scardona (Skradin), Croatia |
| unknown | | John O’Murily, O. Cist. † | Bishop of Ross, Ireland |
| unknown | | Diego de Ortiz de Vilhegas † | Bishop of Viseu, Portugal |
| unknown | | Giorgio Pandolfini, C.R.S.A. † | Titular Bishop of Troja |
| unknown | | Silvio Pandoni † | Bishop of Aversa, Italy |
| unknown | | Jacques Robertet † | Bishop-Elect of Albi, France |
| unknown | | Martino Antonio Tomacelli † | Bishop of Cassano all’Jonio, Italy |
| unknown | | Antonio Trivulzio † | Bishop of Como, Italy |
| unknown | | Denis de Villiers † | Bishop of Lombez, France |
| 21 Jan | 44.3 | Luigi d’Aragona † | Cardinal, Administrator of Nardň, Italy |
| 6 Feb | 60.0 | Lorenz von Bibra † | Bishop of Würzburg, Germany |
| 7 Feb | | Louis de Narbonne, O. Cist. † | Bishop of Vabres, France |
| 11 Feb | | Imbert de la Platičre de Bourdillon † | Bishop of Nevers, France |
| 11 Feb | 72.1 | Tristan de Salazar † | Archbishop of Sens, France |
| 13 Feb | | Lorenzo Fieschi † | Bishop of Mondovi, Italy |
| 3 Mar | 64.1 | Théodore (Dietrich) Wichwael, O.S.A. † | Auxiliary Bishop of Köln {Cologne}, Germany |
| Apr | | Tiberius Ugolini † | Bishop of Down and Connor, Ireland |
| 19 Apr | 43.2 | Wojciech Radziwiłł † | Bishop of Vilnius, Lithuania |
| 2 Jun | 74.4 | Philippe de Luxembourg † | Cardinal, Bishop Emeritus of Le Mans, France |
| 3 Jun | 77.4 | Leonhard von Keutschach, C.R.S.A. † | Archbishop of Salzburg, Austria |
| 25 Jun | 67.4 | Hugh Oldham † | Bishop of Exeter, England, Great Britain |
| 31 Jul | 36.5 | Johannes Enen † | Auxiliary Bishop of Trier, Germany |
| 20 Aug | 45.0 | Luigi de’ Rossi † | Cardinal, Cardinal-Priest of San Clemente |
| 6 Sep | | Beaudoin Villain, O.F.M. † | Auxiliary Bishop of Tournai {Doornik}, Belgium |
| 9 Sep | 68.6 | René de Prie † | Cardinal, Bishop Emeritus of Limoges, France |
| 6 Oct | | Philippe de Montmorency † | Bishop of Limoges, France |
| 9 Nov | | Johannes von Helmont, O.S.B. † | Auxiliary Bishop Emeritus of Trier, Germany |
| 23 Nov | 79.8 | Birger Gunnersen † | Archbishop of Lund, Sweden |
| 27 Nov | 59.9 | Antoine Bohier du Prat, O.S.B. † | Cardinal, Archbishop of Bourges, France |
| 24 Dec | 69.9 | Juan de Quevedo Villegas, O.F.M. Obs. † | Bishop of Santa María de La Antigua del Darién, Panama |
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