| Date of Death | Deceased Bishops (66) |
| 1944.01.03 | Auxiliary Bishop of Köln (Germany) (1924.01.14 – 1944.01.03) |
| 1944.01.06 | Vicar Apostolic emeritus of Hung Hoá (Vietnam) (1924.12.03 – 1938.05.21) |
| 1944.01.08 | |
| 1944.01.12 | |
| 1944.01.13 | Vicar Apostolic of Ningxia 寧夏 (China) (1931.12.21 – 1944.01.13) |
| 1944.01.18 | |
| 1944.01.27 | Vicar Apostolic emeritus of Eshowe (South Africa) (1923.12.11 – 1943.05.14) |
| 1944.01.28 | Bishop emeritus of Montefeltro (Italy) (1912.04.22 – 1940.06.15) |
| 1944.02.01 | Bishop-Prelate emeritus of São Peregrino Laziosi no Alto Acre e Alto Purus (Brazil) (1926.12.10 – 1940) |
| 1944.02.09 | |
| 1944.02.10 | |
| 1944.02.11 | Auxiliary Bishop of Sandomierz (Poland) (1918.07.29 – 1944.02.11) |
| 1944.02.17 | Vicar Apostolic emeritus of Napo (Ecuador) (1931.05.04 – 1937) |
| 1944.02.19 | Vicar Apostolic of Nanchang 南昌 (China) (1931.07.03 – 1944.02.19) |
| 1944.02.22 | |
| 1944.02.23 | Vicar Apostolic of Eastern New Guinea (Papua New Guinea) (1922.11.24 – 1944.02.23) |
| 1944.02.29 | Vicar Apostolic of Urubamba y Madre de Dios (Peru) (1923.06.13 – 1944.02.29) |
| 1944.03.02 | Vicar Apostolic emeritus of Basutoland (Lesotho) (1909.01.25 – 1930.05.24) |
| 1944.03.03 | |
| 1944.03.15 | Bishop of Manchester (USA) (1932.05.13 – 1944.03.15) |
| 1944.03.18 | Auxiliary Bishop of La Crosse (USA) (1935.03.09 – 1944.03.18) |
| 1944.03.30 | Metropolitan Archbishop of Salerno (Italy) (1929.10.05 – 1944.03.30) |
| 1944.04.08 | Auxiliary Bishop of Trier (Germany) (1935.07.13 – 1944.04.08) |
| 1944.04.14 | Vicar Apostolic emeritus of Nyeri (Kenya) (1926.01.04 – 1930.10.18) |
| 1944.04.17 | |
| 1944.04.22 | Cardinal-Priest of S. Clemente (1911.11.30 – 1944.04.22) Metropolitan Archbishop of Boston (USA) (1907.08.31 – 1944.04.22) |
| 1944.05.01 | |
| 1944.05.06 | Metropolitan Archbishop of Vercelli (Italy) (1929.02.17 – 1944.05.06) |
| 1944.05.07 | Vicar Apostolic emeritus of Canal of Suez (Egypt) (1927.03.11 – 1928.11.24) |
| 1944.05.17 | |
| 1944.05.19 | Metropolitan Archbishop of Sorrento (Italy) (1917.07.09 – 1944.05.19) |
| 1944.05.27 | Coadjutor Vicar Apostolic of Phát Diêm (Vietnam) (1940.05.28 – 1944.05.27) |
| 1944.06.03 | |
| 1944.06.28 | Archbishop emeritus of Cyprus of the Maronites (Cyprus) (1911.02.11 – 1941.01.30) |
| 1944.07.10 | Metropolitan Archbishop emeritus of San Francisco (USA) (1915.06.01 – 1935.03.02) |
| 1944.07.20 | Titular Bishop of Epiphania in Syria of the Maronites (1919.02.23 – 1944.07.20) |
| 1944.07.27 | Auxiliary Bishop of Bologna (Italy) (1936.04.11 – 1944.07.27) |
| 1944.07.28 | Auxiliary Bishop of Olomouc (Czechia) (1922.11.14 – 1944.07.28) |
| 1944.08.10 | Bishop emeritus of Montalcino (Italy) (1909.04.29 – 1937.07.10) |
| 1944.08.11 | |
| 1944.08.22 | Cardinal-Priest of S. Pudenziana (1936.06.18 – 1944.08.22) Secretary of State of Secretariat of State (1939.03.10 – 1944.08.22) President of Administration of the Patrimony of the Apostolic See (1939.03.10 – 1944.08.22) Prefect of Sacred Congregation for Extraordinary Ecclesiastical Affairs (1939.03.10 – 1944.08.22) |
| 1944.08.23 | Auxiliary Bishop emeritus of Westminster (England) (1911.01.14 – 1938.04.23) |
| 1944.09.03 | Metropolitan Archbishop of Burgos (Spain) (1928.05.21 – 1944.09.03) |
| 1944.09.04 | |
| 1944.09.10 | Bishop emeritus of Valencia (Venezuela) (1927.06.20 – 1934.12.22) |
| 1944.09.16 | Vicar Apostolic of French Guiana (French Guiana) (1933.01.15 – 1944.09.16) |
| 1944.09.27 | |
| 1944.09.27 | |
| 1944.10.10 | Coadjutor Bishop of Dunkeld (Scotland) (1939.10.05 – 1944.10.10) |
| 1944.10.11 | Metropolitan Archbishop emeritus of Port-au-Prince (Haiti) ([1903.09.16] 1903.10.22 – 1930.12.05) |
| 1944.10.22 | Vicar Apostolic of Zhengzhou 鄭州 (China) (1924.12.03 – 1944.10.22) |
| 1944.10.28 | |
| 1944.10.30 | |
| 1944.11.01 | Metropolitan of Lviv–Halyč–Kamyanets of the Ukrainians (Ukraine) (1900.12.12 – 1944.11.01) |
| 1944.11.04 | Bishop of Tarquinia (Italy) (1932.03.03 – 1944.11.04) Bishop of Civitavecchia (Italy) (1932.03.03 – 1944.11.04) |
| 1944.11.09 | |
| 1944.11.11 | Metropolitan Archbishop emeritus of Auch (France) (1907.04.15 – 1934.09.18) |
| 1944.11.22 | Metropolitan Archbishop of Lviv (Ukraine) (1923.08.03 – 1944.11.22) |
| 1944.12.04 | Metropolitan Archbishop emeritus of Izmir (Turkiye) (1921.01.24 – 1929.03.01) Auditor General of Reverend Apostolic Camera (1939.12.09 – 1944.12.04) |
| 1944.12.04 | |
| 1944.12.10 | Vicar Apostolic of Hankou 漢口 (China) (1927.01.26 – 1944.12.10) |
| 1944.12.15 | |
| 1944.12.17 | |
| 1944.12.19 | Auxiliary Bishop of Kalocsa (Hungary) (1912.03.26 – 1944.12.19) |
| 1944.12.20 | Vicar Apostolic of Lisala (Congo-Kinshasa) (1936.01.27 – 1944.12.20) |
| 1944.12.22 | Titular Archbishop of Euchaitæ (1922.12.02 – 1944.12.22) Apostolic Delegate to Southern Africa (1922.12.02 – 1944.12.22) |
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