| Date | Age | Bishop | Title |
| unknown | 50.0 | Juan Duran, O. de M. † | Auxiliary Bishop of Cebu, Philippines |
| unknown | | Alonso Henríquez de Santo Tomás † | Bishop of Málaga, Spain |
| unknown | | Antonio Ibarra † | Bishop of Cádiz, Spain |
| 10 Jan | 89.0 | Gabriel Haug † | Auxiliary Bishop of Strasbourg, France |
| 16 Jan | | Manoel da Ressurreição, O.F.M. † | Archbishop of São Salvador da Bahia, Brazil |
| 1 Feb | 80.8 | Pietro Vito Ottoboni † | Pope (Roma {Rome}, Italy) |
| 7 Feb | 37.2 | Simon Judas Thaddäus Schmidt † | Auxiliary Bishop of Freising, Germany |
| 22 Sep | | Vittorio Nicolino della Chiesa † | Bishop of Alba (Pompea), Italy |
| 22 Sep | 70.7 | Giacomo Ferdinando de Gorizzutti † | Bishop of Trieste, Italy |
| 29 Sep | 40.7 | Johannes Wolfgang Reichsfreiherr von Bodman † | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 29 Sep | 81.7 | Johannes Karl Reichsfreiherr von Franckenstein † | Bishop of Worms, Germany |
| 4 Oct | 88.8 | Louis Abelly † | Bishop Emeritus of Rodez, France |
| 4 Oct | 66.1 | Federico Baldeschi Colonna † | Cardinal, Prefect of the Congregation of the Council |
| 10 Nov | 65.6 | Johann Markus Rosetti † | Bishop of Pedena, Austria |
| 4 Dec | 62.3 | Juan Bravo Dávila y Cartagena † | Bishop of Córdoba (Tucumán), Argentina |