| Newly Elected Bishops (79) | Elected | Consecrated |
 Bishop Giobbe Chen Chi-ming (陳啓明), C.M.former Bishop of Zhengding 正定 (China) | 1939.01.05 | 1939.05.25 |
 Bishop Thomas Roch Agniswami, S.J.former Bishop of Kottar (India) | 1939.01.05 | 1939.10.29 |
 Bishop Lorenz Zeller, O.S.B.former Bishop-Prelate of Rio Branco (Brazil) | 1939.01.07 | 1939.02.05 |
 Bishop Frans Joseph Bruls Canisius, S.M.M.former Bishop of Villavicencio (Colombia) | 1939.01.07 | 1939.05.01 |
 Archbishop Mariano Rossell y Arellanoformer Metropolitan Archbishop of Guatemala (Guatemala) former Bishop-Prelate of Santo Cristo de Esquipulas (Guatemala) | 1939.01.08 | 1939.04.16 |
 Bishop Francesco Marchesaniformer Bishop of Chiavari (Italy) | 1939.01.30 | 1939.03.19 |
| Bishop Gaetano De Cicco former Bishop of Sessa Aurunca (Italy) | 1939.01.30 | 1939.04.16 |
| Bishop Beniamino Socche former Bishop of Reggio Emilia (Italy) | 1939.02.04 | 1939.03.19 |
| Bishop Adolfo Ciuchini, O. de M. former Bishop of Alghero (Italy) | 1939.03.03 | 1939.04.23 |
| Bishop Francesco Cogoni former Bishop of Ozieri (Italy) | 1939.03.03 | 1939.04.23 |
| Bishop Felice Beccaro former Bishop of San Miniato (Italy) | 1939.03.03 | 1939.05.07 |
| Bishop Luis Andrade Valderrama, O.F.M. former Bishop of Antioquía (Colombia) | 1939.03.03 | 1939.05.21 |
 Bishop Costantino Maria Attilio Barneschi, O.S.M.former Bishop of Manzini (Eswatini) | 1939.03.15 | 1939.04.30 |
 Archbishop Jean-Baptiste Boivin, S.M.A.former Metropolitan Archbishop of Abidjan (Cote d’Ivoire) | 1939.03.15 | 1939.05.30 |
 Bishop Peter Rogan, M.H.M.former Bishop of Buéa (Cameroon) | 1939.03.15 | 1939.06.18 |
 Bishop Antonius Everardo Giovanni Albers, O. Carm.former Bishop of Malang (Indonesia) | 1939.03.15 | 1939.08.10 |
 Bishop Miklós Dudás, O.S.B.M. (Hungarian Rite)former Bishop of Hajdúdorog of the Hungarians (Hungary) former Apostolic Exarch of Miskolc of the Hungarians (Hungary) | 1939.03.25 | 1939.05.14 |
 Archbishop Armand-Etienne M. Blanquet du Chayla, O.C.D.former Archbishop of Baghdad (Iraq) | 1939.04.01 | 1939.06.29 |
 Bishop Ignacio de Alba y Hernándezformer Bishop of Colima (Mexico) | 1939.04.29 | 1939.05.28 |
 Bishop Alain-Sébastien Le Breton, S.M.M.former Bishop of Tamatave (Madagascar) | 1939.05.25 | 1939.10.07 |
 Archbishop Joseph Kiwánuka, M. Afr.former Metropolitan Archbishop of Rubaga (Uganda) | 1939.05.25 | 1939.10.29 |
| Bishop Louis La Ravoire Morrow, S.D.B. former Bishop of Krishnagar (India) | 1939.05.25 | 1939.10.29 |
| Bishop Ignace Ramarosandratana former Bishop of Miarinarivo (Madagascar) | 1939.05.25 | 1939.10.29 |
 Archbishop Smiljan Franjo Cekadaformer Metropolitan Archbishop of Vrhbosna (Bosnia and Herzegovina) | 1939.06.06 | 1939.08.06 |
 Cardinal Richard James Cushingformer Cardinal-Priest of S. Susanna former Metropolitan Archbishop of Boston (USA) | 1939.06.10 | 1939.06.29 |
 Blessed Bishop Michał Kozalformer Auxiliary Bishop of Włocławek (Poland) | 1939.06.10 | 1939.08.13 |
| Archbishop William Otterwell Brady former Metropolitan Archbishop of Saint Paul (USA) | 1939.06.10 | 1939.08.24 |
| Archbishop Thomas Arthur Connolly former Metropolitan Archbishop of Seattle (USA) | 1939.06.10 | 1939.08.24 |
 Bishop Maurice-Auguste-Eugène Foinformer Auxiliary Bishop of Le Mans (France) | 1939.06.10 | 1939.09.08 |
 Bishop Thomas Edward Flynnformer Bishop of Lancaster (England) | 1939.06.12 | 1939.07.24 |
| Bishop Guy-Léandre Le Floch, O.F.M. Cap. former Bishop of Ajmer (India) | 1939.06.13 | 1939.08.24 |
 Bishop Leo Isidore Scharmach, M.S.C.former Vicar Apostolic of Rabaul (Papua New Guinea) | 1939.06.13 | 1939.10.03 |
 Bishop James Colbertformer Vicar Apostolic of Port Elizabeth (South Africa) | 1939.06.13 | 1939.10.29 |
| Bishop Jean Larregain (甘有為), M.E.P. former Vicar Apostolic of Yunnanfu 雲南府 (China) | 1939.06.13 | 1939.10.29 |
| Bishop Henri Martin Mekkelholt, S.C.I. former Vicar Apostolic of Palembang (Indonesia) | 1939.06.13 | 1939.10.29 |
| Bishop Oreste Rauzi former Auxiliary Bishop of Trento (Italy) | 1939.06.17 | 1939.07.30 |
 Archbishop Joseph Charbonneauformer Metropolitan Archbishop of Montréal (Canada) | 1939.06.22 | 1939.08.15 |
| Cardinal Thomas Tien Ken-sin (田耕莘), S.V.D. former Cardinal-Priest of S. Maria in Via former Metropolitan Archbishop of Beijing 北京 (China) | 1939.07.11 | 1939.10.29 |
| Bishop Biagio Sigibaldo Kurz, O.F.M. former Prefect Apostolic of Yongzhou 永州 (China) | 1939.07.11 | 1939.10.29 |
 Bishop Urbain Etienne Morlion, M. Afr.former Bishop of Baudouinville (Congo-Kinshasa) | 1939.07.11 | 1939.10.29 |
 Bishop William Francis O’Shea, M.M.former Vicar Apostolic of Heijo (North Korea) | 1939.07.11 | 1939.10.29 |
| Bishop Charles-Joseph Lemaire (惠化民), M.E.P. former Coadjutor Vicar Apostolic of Jilin 吉林 (China) | 1939.07.11 | 1939.11.15 |
 Bishop Félix-Maurice Hedde, O.P.former Vicar Apostolic of Lang Són et Cao Bang (Vietnam) | 1939.07.11 | 1939.11.30 |
 Bishop Jules Halbert, S.M.former Vicar Apostolic of New Hebrides (Vanuatu) | 1939.07.11 | 1939.12.10 |
| Bishop Alberto Mendoza y Bedolla former Bishop of Campeche (Mexico) | 1939.07.15 | 1939.10.28 |
 Bishop Stefan Madarászformer Bishop of Košice (Slovakia) | 1939.07.19 | 1939.08.24 |
| Archbishop Giulio Czapik former Metropolitan Archbishop of Eger (Hungary) | 1939.07.19 | 1939.08.27 |
| Bishop Frederic Anthony Donaghy (唐汝琪), M.M. former Bishop of Wuzhou 梧州 (China) | 1939.07.20 | 1939.09.21 |
 Bishop Francesco Benedetto Cialeo, O.P.former Bishop of Lyallpur (Pakistan) | 1939.07.20 | 1939.10.29 |
| Archbishop Guido Luigi Bentivoglio, O.C.S.O. former Archbishop of Catania (Italy) | 1939.07.27 | 1939.08.24 |
| Bishop Henry Vincent Marshall former Bishop of Salford (England) | 1939.08.05 | 1939.09.21 |
 Bishop Neil Farrenformer Bishop of Derry (Northern Ireland) | 1939.08.05 | 1939.10.01 |
| Bishop William Joseph Condon former Bishop of Great Falls (USA) | 1939.08.05 | 1939.10.18 |
| Archbishop Alexandre Gonçalves do Amaral former Metropolitan Archbishop of Uberaba (Brazil) | 1939.08.05 | 1939.10.29 |
| Bishop Raffaele Campelli former Bishop of Pergola (Italy) former Bishop of Cagli (Italy) | 1939.08.08 | 1939.10.01 |
| Bishop Giocchino Pedicini former Bishop of Avellino (Italy) | 1939.08.08 | 1939.10.08 |
| Bishop Andrej Škrábik former Bishop of Banská Bystrica (Slovakia) | 1939.08.12 | 1939.09.17 |
 Bishop Augusto Osvaldo Salinas Fuenzalida, SS.CC.former Bishop of Linares (Chile) | 1939.08.29 | 1939.11.26 |
 Bishop Pedro Pablo Tenreiro Franciaformer Bishop of Guanare (Venezuela) | 1939.08.30 | 1939.12.10 |
| Bishop Giovanni Lucato, S.D.B. former Bishop of Venafro (Italy) former Bishop of Isernia (Italy) | 1939.09.13 | 1939.11.05 |
 Bishop James Maguireformer Coadjutor Bishop of Dunkeld (Scotland) | 1939.10.05 | 1939.11.30 |
| Archbishop Donald Alphonsus Campbell former Metropolitan Archbishop of Glasgow (Scotland) | 1939.10.05 | 1939.12.14 |
| Bishop Louis Chiron former Bishop of Langres (France) | 1939.10.06 | 1939.12.07 |
| Bishop Edmund Vansteenberghe former Bishop of Bayonne (France) | 1939.10.06 | 1939.12.10 |
| Bishop Francisco José Iturriza Guillén, S.D.B. former Bishop of Coro (Venezuela) | 1939.11.10 | 1940.02.18 |
| Bishop Frederic Osterrath, O.S.B. Subl. former Abbot Ordinary of Pietersburg (South Africa) | 1939.11.14 | 1940.03.03 |
| Bishop Joseph Sak, S.D.B. former Vicar Apostolic of Sakania (Congo-Kinshasa) | 1939.11.14 | 1940.04.07 |
 Cardinal Josyf Ivanovyce Slipyj (Ukrainian Rite)former Cardinal-Priest of S. Atanasio former Major Archbishop of Lviv–Halyč–Kamyanets of the Ukrainians (Ukraine) former Apostolic Exarch of Velyka Ukraina (Ukraine) | 1939.11.25 | 1939.12.22 |
| Bishop Arthur Douville former Bishop of Saint-Hyacinthe (Canada) | 1939.11.30 | 1940.01.29 |
 Archbishop Abel Zayia, C.M. (Chaldean Rite)former Metropolitan Archbishop of Urmyā of the Chaldeans (Iran) former Archbishop-Bishop of Salmas of the Chaldeans (Iran) | 1939.12.06 | 1940.01.01 |
| Cardinal John Francis O’Hara, C.S.C. former Cardinal-Priest of Ss. Andrea e Gregorio al Monte Celio former Metropolitan Archbishop of Philadelphia (USA) | 1939.12.11 | 1940.01.15 |
| Archbishop Alexandre Vachon former Metropolitan Archbishop of Ottawa (Canada) | 1939.12.11 | 1940.02.02 |
| Bishop Henri Joseph Marie Belleau, O.M.I. former Vicar Apostolic of Baie de James (Canada) | 1939.12.11 | 1940.02.03 |
 Archbishop Matthew Beovichformer Metropolitan Archbishop of Adelaide (Australia) | 1939.12.11 | 1940.04.07 |
 Bishop Josip Lachformer Auxiliary Bishop of Zagreb (Croatia) | 1939.12.11 | 1940.04.07 |
 Bishop Isidro Augusto Oviedo y Reyesformer Bishop of León (Nicaragua) | 1939.12.11 | 1940.04.07 |
| Bishop Albert Lewis Fletcher former Bishop of Little Rock (USA) | 1939.12.11 | 1940.04.25 |
| Bishop Gerardo Faustino Herrero Garrote (王德純), O.S.A. former Bishop of Changde 常德 (China) | 1939.12.11 | 1940.05.26 |
 Bishop Patrick Joseph Kelly, S.M.A.former Bishop of Benin City (Nigeria) | 1939.12.11 | 1940.06.02 |
