| Date | Age | Bishop | Title |
| unknown | | Petrus Antonii † | Titular Bishop of Lydda |
| unknown | | Tommaso Catanei, O.P. † | Bishop Emeritus of Cervia, Italy |
| unknown | | Francisco Garcia de Padilla, O.F.M. † | Bishop of Santo Domingo, Dominican Republic |
| unknown | | Martin Johann Lintfari † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| unknown | | William Meldrum † | Bishop of Brechin, Scotland, Great Britain |
| unknown | | Roberto de Noya (Noja), O.P. † | Archbishop of Naxos, Greece |
| unknown | | Juan de Ortega † | Bishop of Almería, Spain |
| unknown | | Andrea Riccio † | Bishop of Telese o Cerreto Sannita, Italy |
| unknown | | Heinrich Schodehoet, O.S.A. † | Auxiliary Bishop of Münster, Germany |
| 12 Feb | | Philipp von Daun-Oberstein † | Archbishop of Köln {Cologne}, Germany |
| 19 Mar | | Johann Orgass † | Bishop of Ösell (Oesell) [Saare-Lääne], Estonia |
| 22 Mar | 50.2 | James Stanley † | Bishop of Ely, England, Great Britain |
| 21 Apr | | Pietro Guzman † | Bishop of Narni, Italy |
| 21 Apr | | Sancho Pérez Rodríguez de Acebes † | Bishop of Astorga, Spain |
| 6 Jun | | Ercole d’Azeglio † | Bishop of Aosta, Italy |
| 5 Nov | | Mathias Schach, O. Cart. † | Auxiliary Bishop of Freising, Germany |