| Bishops (64) | Elected | Consecrated |
 Archbishop Serafino Cimino, O.F.M.former Minister General of Order of Friars Minor (Franciscans) | 1924.12.18 | 1925.01.11 |
 Bishop Antonio Laubitzformer Auxiliary Bishop of Gniezno (Poland) | 1924.11.08 | 1925.01.18 |
 Bishop Justino José de Sant’Anaformer Bishop of Juiz de Fora (Brazil) | 1924.07.04 | 1925.01.20 |
 Bishop Joseph Thormanformer Bishop of Hexham and Newcastle (England) | 1924.12.18 | 1925.01.27 |
| Cardinal Gaetano Cicognani former Cardinal-Bishop of Frascati former Pro-Prefect of Supreme Tribunal of the Apostolic Signatura | 1925.01.11 | 1925.02.01 |
| Bishop José Maria Perreira Lara former Bishop of Caratinga (Brazil) | 1924.03.27 | 1925.02.11 |
| Venerable Archbishop Antônio de Almeida Lustosa, S.D.B. former Metropolitan Archbishop of Fortaleza (Brazil) | 1924.07.04 | 1925.02.11 |
 Archbishop Louis-Joseph Kerkhofsformer Bishop of Liège (Belgium) | 1924.12.18 | 1925.02.11 |
 Bishop Natale de Cleene, C.I.M.former Vicar Apostolic of Léopoldville (Congo-Kinshasa) | 1924.12.18 | 1925.02.24 |
| Bishop Thomas Wulstan Pearson, O.S.B. former Bishop of Lancaster (England) | 1924.12.18 | 1925.02.24 |
 Archbishop Abel Isidoro Antezana y Rojas, C.M.F.former Metropolitan Archbishop of La Paz (Bolivia) | 1924.11.13 | 1925.03.15 |
| Bishop Julio Garret former Bishop of Cochabamba (Bolivia) | 1924.11.13 | 1925.03.15 |
| Bishop Cleto Loayza Gumiel former Bishop of Potosí (Bolivia) | 1924.11.15 | 1925.03.15 |
| Bishop Augusto Sieffert, C.SS.R. former Bishop of La Paz (Bolivia) | 1924.11.15 | 1925.03.15 |
| Bishop Ramón Font y Farrés, C.M.F. former Bishop of Tarija (Bolivia) | 1924.11.17 | 1925.03.15 |
| Bishop Massimo Rinaldi former Bishop of Rieti (Italy) | 1924.08.02 | 1925.03.19 |
| Saint Pope John XXIII former Supreme Pontiff former Prefect of Sacred Consistorial Congregation former Prefect of Sacred Congregation for the Oriental Churches former Prefect of Supreme Sacred Congregation of the Holy Office | 1925.03.03 | 1925.03.19 |
| Bishop Ettore Lodi former Auxiliary Bishop of Bologna (Italy) | 1925.03.06 | 1925.03.25 |
 Bishop Paul-Leon-Cornelius Montaigne (滿德胎), C.M.former Vicar Apostolic of Beijing 北京 (China) | 1924.11.25 | 1925.04.19 |
 Archbishop Celestino Annibale Cattaneo, O.F.M. Cap.former Vicar Apostolic of Eritrea (Eritrea) | 1925.03.24 | 1925.04.19 |
 Bishop Alphonse-Emmanuel Deschampsformer Auxiliary Bishop of Montréal (Canada) | 1925.02.20 | 1925.04.21 |
| Cardinal Paolo Giobbe former Cardinal-Priest of S. Maria in Vallicella former Patron of Sovereign Military Hospitaller Order of Saint John of Jerusalem of Rhodes and of Malta (Knights of Malta) | 1925.03.30 | 1925.04.26 |
 Venerable Archbishop Geevarghese Ivanios Giorgio Tommaso Panickerveetil, O.I.C. (Syro-Malankara Rite)former Metropolitan of Trivandrum of the Syro-Malankara (India) | 1932.02.13 | 1925.05.01 |
| Bishop Roberto Julio Colombo, O.F.M. Cap. former Bishop-Prelate of São José do Grajaú (Brazil) | 1922.09.15 | 1925.05.03 |
 Bishop Silverio Velasco Pérezformer Titular Bishop of Ticelia former Apostolic Administrator of Ciudad Rodrigo (Spain) | 1924.12.18 | 1925.05.03 |
| Bishop John Thomas Kidd former Bishop of London (Canada) | 1925.02.06 | 1925.05.06 |
 Patriarch Yousef VII Ghanima (Chaldean Rite)former Patriarch of Babylon of the Chaldeans (Iraq) former Bishop of Mossul of the Chaldeans (Iraq) | | 1925.05.10 |
 Bishop Ernest Hauger, S.M.A.former Vicar Apostolic of Gold Coast (Ghana) | 1925.02.13 | 1925.05.24 |
| Archbishop Theodor Buddenbrock (濮登博), S.V.D. former Metropolitan Archbishop of Lanzhou 蘭州 (China) | 1924.11.25 | 1925.06.07 |
| Bishop Robert Costanzo Lagae, O.P. former Vicar Apostolic of Niangara (Congo-Kinshasa) | 1924.12.18 | 1925.06.11 |
 Bishop Józef Čárskyformer Bishop of Rožňava (Slovakia) former Apostolic Administrator of Košice na Slovensku (Slovakia) former Auxiliary Bishop of Košice (Slovakia) | 1925.03.30 | 1925.06.14 |
| Bishop Pavol Jantausch former Apostolic Administrator of Trnava (Slovakia) | 1925.03.30 | 1925.06.14 |
 Bishop Jean-Baptiste Thomasformer Bishop of Langres (France) | 1925.03.30 | 1925.06.24 |
 Bishop William Joseph Hafeyformer Bishop of Scranton (USA) | 1925.04.06 | 1925.06.24 |
| Archbishop Constantino Aiutti former Titular Archbishop of Phasis former Apostolic Delegate to Indochina | 1925.05.28 | 1925.06.29 |
| Archbishop John Francis Noll former Bishop of Fort Wayne (USA) former Archbishop ad personam | 1924.05.12 | 1925.06.30 |
| Bishop François-Marie Picaud former Bishop of Bayeux (France) | 1925.05.15 | 1925.07.01 |
| Bishop Pierre Patau former Auxiliary Bishop of Perpignan–Elne (France) | 1925.05.01 | 1925.07.02 |
| Bishop Georges-Marie-Eugène Audollent former Bishop of Blois (France) | 1925.05.15 | 1925.07.16 |
| Bishop Albino González y Menédez Reigada, O.P. former Bishop of Córdoba (Spain) | 1924.12.18 | 1925.07.19 |
| Bishop Władysław Szcześniak former Auxiliary Bishop of Warszawa (Poland) | 1925.05.25 | 1925.07.19 |
| Bishop Justo Rivas Fernández former Bishop of Plasencia (Spain) | 1922.09.22 | 1925.07.25 |
| Bishop Pedro Pascual Miguel y Martínez, O. de M. former Bishop-Prelate of Bom Jesus do Piauí (Brazil) | 1924.12.18 | 1925.07.26 |
| Bishop Charles Challiol former Bishop of Rodez (France) | 1925.05.15 | 1925.08.10 |
| Cardinal Agustín Parrado García former Cardinal-Priest of S. Agostino former Metropolitan Archbishop of Granada (Spain) | 1925.05.20 | 1925.08.16 |
 Bishop John William Campling, M.H.M.former Vicar Apostolic of Upper Nile (Uganda) | 1925.05.13 | 1925.08.24 |
 Bishop David O’Leary, O.M.I.former Vicar Apostolic of Johannesburg (South Africa) | 1925.05.13 | 1925.09.08 |
| Bishop Norbert-Georges-Pierre Rousseau former Bishop of Le Puy-en-Velay (France) | 1925.05.15 | 1925.09.08 |
 Archbishop Jacques Leen, C.S.Sp.former Bishop of Port-Louis (Mauritius) former Archbishop ad personam | 1925.07.15 | 1925.09.13 |
 Bishop Francesco Sales Reyes y Alicanteformer Bishop of Nueva Caceres (Philippines) | 1925.06.20 | 1925.09.19 |
 Bishop Mihai Robuformer Bishop of Iaşi (Romania) | 1925.05.07 | 1925.09.20 |
 Bishop Joseph Ambühlformer Bishop of Basel (Switzerland) | 1925.06.30 | 1925.09.27 |
| Bishop Henrique César Fernandes Mourão, S.D.B. former Bishop of Cafelândia (Brazil) | 1925.05.01 | 1925.10.18 |
| Bishop Basilio Manuel Olimpo Pereira, O.F.M. former Bishop of Amazonas (Brazil) | 1925.05.01 | 1925.10.25 |
| Bishop André Arcoverde de Albuquerque Cavalcanti former Bishop of Taubaté (Brazil) | 1925.05.01 | 1925.10.28 |
| Bishop Giovanni Giuseppe Santini, O.F.M. Cap. former Prefect Apostolic of Rhaetia (Switzerland) | 1925.07.30 | 1925.11.01 |
| Bishop Sebastião Tomás, O.P. former Bishop-Prelate of Santíssima Conceição do Araguaia (Brazil) | 1924.12.18 | 1925.11.15 |
 Bishop François Chaize, M.E.P.former Vicar Apostolic of Hà Nôi (Vietnam) | 1925.05.12 | 1925.11.22 |
| Archbishop Edwin Vincent Byrne former Metropolitan Archbishop of Santa Fe (USA) | 1925.06.23 | 1925.11.30 |
| Archbishop Edmond John Fitzmaurice former Bishop of Wilmington (USA) | 1925.07.24 | 1925.11.30 |
| Bishop Michal Bubnič former Bishop of Rožňava (Slovakia) | 1925.10.31 | 1925.12.08 |
| Bishop Thomas Henshaw former Bishop of Salford (England) | 1925.12.14 | 1925.12.21 |
 Bishop Miguel León Pradoformer Bishop of Linares (Chile) | 1925.10.18 | 1925.12.27 |
| Bishop Melquisedec del Canto Terán former Bishop of San Felipe (Chile) | 1925.12.14 | 1925.12.27 |
