| Newly Elected Bishops (84) | Elected | Consecrated |
 Bishop Robert John Armstrongformer Bishop of Sacramento (USA) | 1929.01.04 | 1929.03.12 |
| Bishop John Francis O’Hern former Bishop of Rochester (USA) | 1929.01.04 | 1929.03.19 |
 Cardinal Luigi Sinceroformer Cardinal-Bishop of Palestrina former President of Pontifical Commission for the Authentic Interpretation of the Code of Canon Law former President of Pontifical Commission for the Codification of Oriental Canon Law former Secretary of Sacred Congregation for the Oriental Churches | 1929.01.11 | 1929.01.13 |
 Bishop Nikolaus Baresformer Bishop of Berlin (Germany) | 1929.01.15 | 1929.02.24 |
 Bishop Bernard James Sullivan, S.J.former Bishop of Patna (India) | 1929.01.15 | 1929.03.17 |
 Archbishop Giovanni Maria Emilio Castellani, O.F.M.former Vicar Apostolic of Addis Abeba (Ethiopia) | 1929.01.15 | 1929.04.02 |
| Archbishop Francesco Petronelli former Archbishop of Barletta (Italy) former Metropolitan Archbishop of Trani (Italy) | 1929.01.18 | 1929.05.26 |
 Bishop Pio de Freitas Silveira, C.M.former Bishop of Joinville (Brazil) | 1929.01.25 | 1929.06.09 |
 Bishop Pedro Dionisio Tibilettiformer Bishop of San Luis (Argentina) | 1929.01.25 | 1929.06.23 |
 Bishop Justin Cawetformer Coadjutor Bishop of Namur (Belgium) | 1929.01.28 | 1929.03.19 |
 Bishop Evarist Zhang Zhi-liang (張智良)former Vicar Apostolic of Jining 集寧 (China) | 1929.02.02 | 1929.04.14 |
| Bishop Edward Thomas Sheehan (徐安慶), C.M. former Vicar Apostolic of Yujiang 餘江 (China) | 1929.02.04 | 1929.07.14 |
 Bishop Manuel López Aranaformer Titular Bishop of Curium former Apostolic Administrator of Ciudad Rodrigo (Spain) | 1929.02.05 | 1929.03.10 |
| Archbishop Luciano Pérez Platero former Metropolitan Archbishop of Burgos (Spain) | 1929.02.05 | 1929.06.09 |
| Cardinal Manuel Arce y Ochotorena former Cardinal-Priest of Ss. Vitale, Valeria, Gervasio e Protasio former Metropolitan Archbishop of Tarragona (Spain) | 1929.02.05 | 1929.06.16 |
 Bishop Giovanni Battista Anselmo, P.I.M.E.former Bishop of Dinajpur (Bangladesh) | 1929.02.07 | 1929.04.01 |
| Archbishop Giovanni Costantini former Bishop of La Spezia (Italy) former Bishop of Brugnato (Italy) former Bishop of Luni–Sarzana (Italy) | 1929.02.08 | 1929.05.05 |
 Bishop William Finnemann, S.V.D.former Prefect Apostolic of Mindoro (Philippines) | 1929.02.08 | 1929.05.21 |
 Archbishop Franz Kamprathformer Auxiliary Bishop of Wien (Austria) | 1929.02.15 | 1929.03.31 |
| Bishop Cesare Maria Guerrero former Bishop of San Fernando (Philippines) | 1929.02.22 | 1929.05.24 |
 Bishop Francesco Fellingerformer Auxiliary Bishop of Jerusalem (Palestine) | 1929.02.26 | 1929.04.07 |
 Bishop Stefano Hászformer Titular Bishop of Sura | 1929.02.28 | 1929.04.28 |
| Archbishop Marcolino Esmeraldo de Souza Dantas former Metropolitan Archbishop of Natal (Brazil) | 1929.03.01 | 1929.05.19 |
| Bishop Aloysius Joseph Willinger, C.SS.R. former Bishop of Monterey–Fresno (USA) | 1929.03.08 | 1929.10.28 |
 Bishop Gregorij Rožmanformer Bishop of Ljubljana (Slovenia) | 1929.03.17 | 1929.07.14 |
 Bishop Ange-Marie-Paul Hiral, O.F.M.former Vicar Apostolic of Port-Said (Egypt) | 1929.03.18 | 1929.05.19 |
 Bishop Wenceslaus Kinold (ヴェンチェスラオ・キノルド), O.F.M.former Vicar Apostolic of Sapporo 札幌 (Japan) | 1929.03.18 | 1929.06.09 |
 Bishop Burcardo Huwiler, M. Afr.former Vicar Apostolic of Bubuka (Tanzania) | 1929.03.18 | 1929.07.14 |
| Bishop Antoon Oomen, M. Afr. former Vicar Apostolic of Mwanza (Tanzania) | 1929.03.18 | 1929.07.21 |
| Bishop István Breyer former Bishop of Győr (Hungary) | 1929.04.05 | 1929.05.19 |
 Bishop Thomas Mulvanyformer Bishop of Meath (Ireland) | 1929.04.12 | 1929.06.30 |
 Bishop Josip Marija Carevicformer Bishop of Dubrovnik (Croatia) | 1929.04.13 | 1929.08.04 |
 Cardinal Clément-Émile Roquesformer Cardinal-Priest of S. Balbina former Metropolitan Archbishop of Rennes (France) | 1929.04.15 | 1929.06.24 |
| Bishop Hippolyte Tréhiou former Bishop of Vannes (France) | 1929.04.15 | 1929.06.24 |
| Bishop Federico Emmanuel, S.D.B. former Bishop of Castellammare di Stabia (Italy) | 1929.04.18 | 1929.05.19 |
 Archbishop Miguel Paternain, C.SS.R.former Bishop of Florida (Uruguay) | 1929.04.20 | 1929.07.21 |
| Archbishop Gerald Patrick Aloysius O’Hara former Archbishop-Bishop of Savannah (USA) | 1929.04.26 | 1929.05.20 |
| Bishop Lino Rodrigo Ruesca former Bishop of Huesca (Spain) | 1929.05.01 | 1929.09.29 |
 Archbishop Walenty Dymekformer Metropolitan Archbishop of Poznań (Poland) | 1929.05.10 | 1929.05.26 |
| Cardinal Pierre-Marie Gerlier former Cardinal-Priest of SS. Trinità al Monte Pincio former Metropolitan Archbishop of Lyon (France) | 1929.05.14 | 1929.07.02 |
 Archbishop Pietro Gjuraformer Archbishop of Durrës (Albania) | 1929.05.15 | 1929.08.04 |
| Archbishop Cyrill Rudolph Jarre (楊恩賚), O.F.M. former Metropolitan Archbishop of Jinan 濟南 (China) | 1929.05.18 | 1929.07.25 |
 Archbishop Basile Vladimir Ladyka, O.S.B.M. (Ukrainian Rite)former Apostolic Exarch of Manitoba of the Ukrainians (Canada) | 1929.05.20 | 1929.07.14 |
 Bishop Frédéric-Joseph-Marie Provost, M.E.P.former Vicar Apostolic of Southern Burma (Myanmar) | 1929.05.20 | 1929.11.21 |
 Bishop James Byrneformer Bishop of Toowoomba (Australia) | 1929.05.28 | 1929.09.01 |
| Bishop William Bouter, M.H.M. former Bishop of Nellore (India) | 1929.05.28 | 1929.09.08 |
 Bishop Daniel Mageeanformer Bishop of Down and Connor (Northern Ireland) | 1929.05.29 | 1929.08.25 |
 Bishop Martino Meulenberg, S.M.M.former Vicar Apostolic of Islanda (Iceland) | 1929.05.30 | 1929.07.25 |
| Bishop Giovanni Jeremich former Auxiliary Bishop of Venezia (Italy) | 1929.05.31 | 1929.07.25 |
| Bishop John Aloysius Coleman former Bishop of Armidale (Australia) | 1929.05.31 | 1929.09.08 |
| Bishop Edmund Joseph Gleeson, C.SS.R. former Bishop of Maitland (Australia) | 1929.05.31 | 1929.09.15 |
| Cardinal Francesco Borgongini Duca former Cardinal-Priest of S. Maria in Vallicella former Pontifical Delegate for the Shrine of the Holy House of Loreto former Pontifical Administrator of the Patriarchal Basilica of Saint Paul Outside-the-Walls | 1929.06.07 | 1929.06.29 |
| Archbishop Louis-Joseph Fillon former Metropolitan Archbishop of Bourges (France) | 1929.06.21 | 1929.09.24 |
 Archbishop Thomas Leighton Williamsformer Metropolitan Archbishop of Birmingham (England) | 1929.06.23 | 1929.07.25 |
| Blessed Cardinal Alfredo Ildefonso Schuster, O.S.B. Cas. former Cardinal-Priest of Ss. Silvestro e Martino ai Monti former Metropolitan Archbishop of Milano (Italy) | 1929.06.26 | 1929.07.21 |
| Archbishop Ercole Attuoni former Metropolitan Archbishop of Fermo (Italy) | 1929.07.15 | 1929.08.11 |
 Archbishop Giovanni Battista Dellepianeformer Titular Archbishop of Stauropolis former Apostolic Nuncio to Austria | 1929.07.18 | 1929.11.30 |
 Archbishop Andrew Thomas McDonald, O.S.B.former Metropolitan Archbishop of Saint Andrews and Edinburgh (Scotland) | 1929.07.19 | 1929.09.24 |
| Bishop Daniel Henrique Hostin, O.F.M. former Bishop of Lages (Brazil) | 1929.08.02 | 1929.09.29 |
| Bishop Antonio Colturato, O.F.M. Cap. former Bishop of Botucatu (Brazil) | 1929.08.02 | 1929.10.04 |
| Bishop Henri Lamiroy former Bishop of Brugge (Belgium) | 1929.08.06 | 1929.10.14 |
| Archbishop Ivan Bucko (Ukrainian Rite) former Auxiliary Bishop of United States of America of the Ukrainians (USA) | 1929.09.16 | 1929.10.20 |
| Archbishop Luigi Bondini, O.F.M. Conv. former Titular Archbishop of Perge | 1929.09.29 | 1929.10.20 |
| Archbishop Antonin-Fernand Drapier, O.P. former Titular Archbishop of Neocæsarea in Ponto | 1929.10.07 | 1929.12.22 |
| Archbishop Jean-Joseph-Aimé Moussaron former Metropolitan Archbishop of Albi (France) | 1929.10.09 | 1930.01.06 |
 Bishop Leopoldo Díaz y Escuderoformer Bishop of Chilapa (Mexico) | 1929.11.05 | 1930.02.09 |
| Archbishop Virgile-Joseph Béguin former Metropolitan Archbishop of Auch (France) | 1929.11.15 | 1930.01.14 |
| Cardinal Jean Verdier, P.S.S. former Cardinal-Priest of S. Balbina former Metropolitan Archbishop of Paris (France) | 1929.11.18 | 1929.12.29 |
 Bishop Ivan Latyševskyj (Ukrainian Rite)former Auxiliary Bishop of Ivano-Frankivsk of the Ukrainians (Ukraine) | 1929.11.24 | 1930.01.26 |
| Archbishop Eduardo Tonna former Metropolitan Archbishop of Izmir (Turkiye) | 1929.11.26 | 1930.02.09 |
| Bishop Paul Wang Wen-cheng (王文成) former Bishop of Shunqing 順慶 (China) | 1929.12.02 | 1930.02.24 |
| Bishop Joseph Henry Albers former Bishop of Lansing (USA) | 1929.12.16 | 1929.12.27 |
 Bishop Jan Remigerformer Auxiliary Bishop of Praha (Czechia) | 1929.12.16 | 1930.02.02 |
 Archbishop Pierre-Guillaume Marque, O.M.I.former Metropolitan Archbishop of Colombo (Sri Lanka) | 1929.12.16 | 1930.02.11 |
| Bishop Antônio Mazzarotto former Bishop of Ponta Grossa (Brazil) | 1929.12.16 | 1930.02.23 |
| Bishop Francis Xavier Wang Ze-pu (Wang Tse-pu) (王澤浦) former Bishop of Wanxian 萬縣 (China) | 1929.12.16 | 1930.02.24 |
| Cardinal José Garibi Rivera former Cardinal-Priest of S. Onofrio former Metropolitan Archbishop of Guadalajara (Mexico) | 1929.12.16 | 1930.05.07 |
| Bishop Jean-Baptiste-Michel-Marie-Louis Pénicaud (賁德馨), M.E.P. former Vicar Apostolic of Beihai 北海 (China) | 1929.12.16 | 1930.11.09 |
| Bishop Franz Joseph Fischer former Auxiliary Bishop of Rottenburg (Germany) | 1929.12.19 | 1930.02.24 |
 Archbishop Herman Joseph Meysing, O.M.I.former Metropolitan Archbishop of Bloemfontein (South Africa) | 1929.12.19 | 1930.03.19 |
 Bishop Edoardo Luigi Antonio Leys, M. Afr.former Vicar Apostolic of Kivu (Congo-Kinshasa) | 1929.12.19 | 1930.04.21 |
| Bishop Joseph-Wilfrid Guy, O.M.I. former Bishop of Gravelbourg (Canada) | 1929.12.19 | 1930.05.01 |
 Bishop Augustin-Marie Tardieu, M.E.P.former Vicar Apostolic of Quinhon (Vietnam) | 1929.12.19 | 1930.05.01 |
| Bishop Tommaso Berutti (柏露梯), S.J. former Vicar Apostolic of Bengbu 蚌埠 (China) | 1929.12.19 | 1930.06.08 |
