| Date of Death | Deceased Bishops (64) |
| 1910.01.06 | |
| 1910.01.06 | Bishop of Port Victoria (Seychelles) (1892.07.14 – 1910.01.06) |
| 1910.01.08 | Cardinal-Bishop of Frascati (1903.06.22 – 1910.01.08) Archpriest of Papal Archbasilica of Saint John Lateran (1896.12.16 – 1910.01.08) |
| 1910.01.24 | |
| 1910.01.31 | |
| 1910.02.11 | Titular Archbishop of Philippopolis (1896.04.20 – 1910.02.11) Apostolic Delegate to Persia (1896.04.09 – 1910.02.11) Apostolic Administrator of Isfahan (Iran) (1896.04.09 – 1910.02.11) |
| 1910.02.22 | Bishop of Auckland (New Zealand) (1896 – 1910.02.22) |
| 1910.03.04 | Titular Bishop of Apollonia (1894.09.17 – 1910.03.04) |
| 1910.03.15 | |
| 1910.03.16 | |
| 1910.03.18 | |
| 1910.03.19 | Bishop emeritus of Tulancingo (Mexico) (1898.11.28 – 1901.09.12) |
| 1910.03.20 | Auxiliary Bishop of Barcelona (Spain) (1903.06.25 – 1910.03.20) |
| 1910.03.24 | Archbishop of Bar (Montenegro) (1886.10.23 – 1910.03.24) |
| 1910.03.25 | |
| 1910.03.25 | Vicar Apostolic of Curaçao (Curaçao) (1897.02.15 – 1910.03.25) |
| 1910.03.26 | |
| 1910.03.31 | Bishop emeritus of Rožňava (Slovakia) ([1896.11.22] 1896.12.03 – 1904.10.15) |
| 1910.04.06 | Bishop of Antigonish (Canada) (1886.08.23 – 1910.04.06) |
| 1910.04.06 | |
| 1910.04.15 | Vicar Apostolic of Gibraltar (Gibraltar) (1901.07.29 – 1910.04.15) |
| 1910.04.15 | Vicar Apostolic of Northern Hunan 湖南北境 (China) (1896.03.10 – 1910.04.15) |
| 1910.04.29 | Sacristan of His Holiness of Prefecture of the Holy Apostolic Palaces (1887.03.14 – 1910.04.29) |
| 1910.05.06 | Bishop of Ascoli Piceno (Italy) (1877.09.21 – 1910.05.06) |
| 1910.05.27 | Metropolitan Archbishop of Tokyo 東京 (Japan) (1906.06.27 – 1910.05.27) |
| 1910.06.20 | |
| 1910.07.03 | |
| 1910.07.11 | |
| 1910.07.23 | Bishop of Città della Pieve (Italy) (1907.08.24 – 1910.07.23) |
| 1910.07.27 | Titular Archbishop of Damascus (1901.04.15 – 1910.07.27) |
| 1910.08 | Bishop of Nocera Umbra (Italy) (1882.03.27 – 1910.08) |
| 1910.08.02 | Bishop of Portsmouth (England) (1900.08.30 – 1910.08.02) |
| 1910.08.05 | |
| 1910.08.06 | Auxiliary Bishop of Santiago de Compostela (Spain) (1906.04.28 – 1910.08.06) |
| 1910.08.23 | Prefect Apostolic of Guangxi 廣西 (China) (1900.04.26 – 1910.08.23) |
| 1910.08.31 | |
| 1910.09.03 | |
| 1910.09.09 | Bishop of Speyer (Germany) ([1905.03.21] 1905.05.30 – 1910.09.09) |
| 1910.09.27 | |
| 1910.09.28 | Bishop of San Juan de Cuyo (Argentina) (1899.01.07 – 1910.09.28) |
| 1910.09.28 | Auxiliary Bishop of Córdoba (Argentina) (1899.11.16 – 1910.09.28) |
| 1910.10.03 | |
| 1910.10.08 | |
| 1910.10.11 | |
| 1910.10.22 | Bishop emeritus of Le Puy-en-Velay (France) ([1894.01.29] 1894.05.18 – 1907.04.15) |
| 1910.10.28 | Archbishop of Cyprus of the Maronites (Cyprus) (1906.02.11 – 1910.10.28) |
| 1910.10.28 | Metropolitan Archbishop of Kalocsa (Hungary) (1905.12.11 – 1910.10.28) |
| 1910.11.01 | Bishop emeritus of Brixen (Italy) ([1884.06.15] 1884.11.10 – 1904.03.03) |
| 1910.11.04 | |
| 1910.11.05 | Vicar Apostolic of Northern Kiangxi 江西北境 (China) (1905.09.24 – 1910.11.05) |
| 1910.11.10 | Auxiliary Bishop of Recanati (Italy) (1890.06.23 – 1910.11.10) |
| 1910.11.12 | Bishop of Sant’Agata de’ Goti (Italy) (1899.01.22 – 1910.11.12) |
| 1910.11.21 | Bishop of Ancyra of the Armenians (Turkiye) ([1901.08.28] 1901.09.09 – 1910.11.21) |
| 1910.11.24 | Cardinal-Priest of Ss. Marcellino e Pietro (1901.04.18 – 1910.11.24) Patriarch emeritus of Constantinople (1899.06.22 – 1901.04.15) Camerlengo emeritus of Sacred College of Cardinals (1903.06.22 – 1905.03.27) |
| 1910.11.30 | Vicar Apostolic of French Sudan (Mali) (1901.07.27 – 1910.11.30) |
| 1910.12.02 | |
| 1910.12.08 | Bishop of Mostar–Duvno (Bosnia and Herzegovina) (1881.07.05 – 1910.12.08) |
| 1910.12.10 | Bishop of Oran (Algeria) ([1898.07.08] 1898.11.28 – 1910.12.10) |
| 1910.12.12 | Bishop emeritus of Termoli (Italy) (1893.01.16 – 1909.04.29) |
| 1910.12.13 | Vicar Apostolic of Southern Honan 河南南境 (China) (1905.06.15 – 1910.12.13) |
| 1910.12.14 | Titular Archbishop of Adrianopolis (1883.04.30 – 1910.12.14) |
| 1910.12.18 | |
| 1910.12.24 | Bishop of Szombathely (Hungary) (1901.12.16 – 1910.12.24) |
| 1910.12.26 |
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