| Bishops (71) | Elected | Consecrated |
 Bishop Pedro Muñagorri y Obineta, O.P.former Vicar Apostolic of Bùi Chu (Vietnam) | 1907.08.14 | 1908.01.05 |
 Bishop Leonida Mapelliformer Bishop of Borgo San Donnino (Italy) | 1907.10.14 | 1908.01.06 |
 Bishop Giuseppe Antonio Hulkaformer Bishop of České Budějovice (Czechia) | 1907.12.16 | 1908.01.06 |
| Bishop Luigi Maria Marelli former Bishop of Bergamo (Italy) | 1907.12.16 | 1908.01.06 |
| Bishop Angelo Simonetti former Bishop of Pescia (Italy) | 1907.12.16 | 1908.01.09 |
 Archbishop Pietro Emmanuele García Naranjóformer Metropolitan Archbishop of Lima (Peru) | 1907.12.19 | 1908.01.14 |
 Bishop António Alves Ferreiraformer Bishop of Viseu (Portugal) | 1907.12.19 | 1908.01.26 |
 Bishop Jean-Baptiste Biolleyformer Bishop of Tarentaise (France) | 1907.11.28 | 1908.01.29 |
| Archbishop Sebastião Leite de Vasconcellos former Bishop of Beja (Portugal) | 1907.12.19 | 1908.02.02 |
 Archbishop Pietro Scebli (Maronite Rite)former Archbishop of Beirut of the Maronites (Lebanon) | 1908.02.11 | 1908.02.15 |
 Bishop Nicola Ciceri (徐則麟), C.M.former Vicar Apostolic of Ji’anfu 吉安府 (China) | 1907.07.03 | 1908.02.16 |
 Archbishop Ignacio Placencia y Moreiraformer Archbishop-Bishop of Zacatecas (Mexico) | 1907.09.15 | 1908.02.16 |
 Bishop Andrea Machado, S.J.former Bishop of Guayaquil (Ecuador) | 1907.11.16 | 1908.02.16 |
 Bishop Joseph Maria Koudelkaformer Bishop of Superior (USA) | 1907.11.29 | 1908.02.25 |
 Archbishop Frederick William Keatingformer Metropolitan Archbishop of Liverpool (England) | 1908.02.05 | 1908.02.25 |
| Bishop Adolphe-Yves-Marie Duparc former Bishop of Quimper (France) | 1908.02.11 | 1908.02.25 |
| Bishop Ildefonso Vincenzo Pisani, C.R.L. former Bishop of Anglona–Tursi (Italy) | 1908.02.05 | 1908.03.01 |
 Cardinal Vicente Casanova y Marzolformer Cardinal-Priest of Ss. Vitale, Valeria, Gervasio e Protasio former Metropolitan Archbishop of Granada (Spain) | 1907.12.19 | 1908.03.25 |
| Bishop Charles-Marie-Félix de Gorostarzu (金夢旦), M.E.P. former Vicar Apostolic of Yunnanfu 雲南府 (China) | 1907.12.10 | 1908.03.29 |
| Archbishop Prudencio Melo y Alcalde former Metropolitan Archbishop of Valencia (Spain) | 1907.12.19 | 1908.03.29 |
| Cardinal Hector-Irénée Sévin former Cardinal-Priest of SS. Trinità al Monte Pincio former Metropolitan Archbishop of Lyon (France) | 1908.02.11 | 1908.04.05 |
| Bishop Ramón Barberá y Boada former Bishop of Palencia (Spain) | 1907.12.19 | 1908.04.26 |
| Bishop Timoteo Hernández Mulas former Bishop of Guadix (Spain) | 1907.12.19 | 1908.04.26 |
 Bishop Prudencio Gomes da Silvaformer Bishop of Goiás (Brazil) | 1907.11.17 | 1908.05.03 |
| Archbishop Denis Joseph O’Connell former Bishop of Richmond (USA) | 1907.12.16 | 1908.05.03 |
| Bishop Juan María Riesa, O.P. former Bishop of Guayaquil (Ecuador) | 1907.12.16 | 1908.05.03 |
 Cardinal János Csernochformer Cardinal-Priest of S. Eusebio former Metropolitan Archbishop of Esztergom (Hungary) | 1908.02.16 | 1908.05.10 |
| Bishop Agostinho Francisco Benassi former Bishop of Niterói (Brazil) | 1908.03.20 | 1908.05.10 |
 Archbishop Vincent Sardi di Rivisondoliformer Vicar Apostolic of Constantinopole (Turkiye) former Assessor of Sacred Consistorial Congregation | 1908.04.06 | 1908.05.10 |
 Archbishop Paul-Eugène Royformer Metropolitan Archbishop of Québec (Canada) | 1908.04.08 | 1908.05.10 |
| Bishop Francesco Brusák former Auxiliary Bishop of Praha (Czechia) | 1908.05.01 | 1908.05.17 |
| Bishop Antonio María Massanet y Verd former Bishop of Segorbe (Spain) | 1907.12.19 | 1908.05.23 |
| Bishop Eugène-Marie-Joseph Allys, M.E.P. former Vicar Apostolic of Huê (Vietnam) | 1908.01.30 | 1908.05.24 |
 Archbishop Francisco María Cervera y Cervera, O.F.M.former Vicar Apostolic of Marruecos (Morocco) | 1908.04.14 | 1908.05.24 |
| Bishop Giovanni Vincenzo Tasso, C.M. former Bishop of Aosta (Italy) | 1908.02.17 | 1908.05.28 |
 Bishop Joseph-Marie-Désiré Guiot, S.M.M.former Vicar Apostolic of Los Llanos de San Martín (Colombia) | 1908.03.24 | 1908.05.28 |
 Archbishop Ivan Šaricformer Metropolitan Archbishop of Vrhbosna (Bosnia and Herzegovina) | 1908.04.08 | 1908.05.28 |
| Cardinal Luigi Capotosti former Cardinal-Priest of S. Pietro in Vincoli former Bishop of Modigliana (Italy) former Datary of His Holiness of Apostolic Dataria | 1906.04.08 | 1908.05.31 |
 Bishop Barnabé Piedrabuenaformer Bishop of Tucumán (Argentina) | 1907.12.16 | 1908.05.31 |
| Bishop Franz Egger former Bishop of Brixen (Italy) | 1908.03.20 | 1908.06.14 |
 Archbishop Bernard Christen von Andermatt, O.F.M. Cap.former Minister General of Order of Friars Minor Capuchin (Capuchin Franciscans) | 1908.05.29 | 1908.06.14 |
| Patriarch Antoun II Boutros Arida (Maronite Rite) former Patriarch of Antioch of the Maronites (Lebanon) | 1908 | 1908.06.18 |
| Archbishop Leone Kecegian (Armenian Rite) former Archbishop of Sebaste of the Armenians (Turkiye) | 1908.05.20 | 1908.06.21 |
| Bishop Adolfo Perea former Bishop of Pasto (Colombia) | 1907.12.16 | 1908.06.29 |
| Bishop Amando Agostino Bahlmann, O.F.M. former Bishop-Prelate of Santarém (Brazil) | 1907.01.10 | 1908.07.19 |
| Bishop Paul Peter Rhode former Bishop of Green Bay (USA) | 1908.05.22 | 1908.07.29 |
 Bishop Miguel Claro Vásquezformer Auxiliary Bishop of Santiago (Chile) | 1908.06.01 | 1908.08.09 |
| Archbishop Albert Nègre former Metropolitan Archbishop of Tours (France) | 1908.07.14 | 1908.08.23 |
| Archbishop Manoel Antônio de Oliveira Lopes former Metropolitan Archbishop of Maceió (Brazil) | 1908.01.25 | 1908.09.06 |
| Archbishop João Batista Becker former Metropolitan Archbishop of Porto Alegre (Brazil) | 1908.05.03 | 1908.09.13 |
 Bishop John Tohillformer Bishop of Down and Connor (Northern Ireland) | 1908.06.09 | 1908.09.20 |
| Bishop Hugh Singleton former Bishop of Shrewsbury (England) | 1908.08.01 | 1908.09.21 |
| Bishop Leonardo Castellanos y Castellanos former Bishop of Tabasco (Mexico) | 1908.03.22 | 1908.09.27 |
| Archbishop Ettore Fronzi former Archbishop of Camerino (Italy) | 1908.09.12 | 1908.09.27 |
 Bishop Auguste Prézeauformer Vicar Apostolic of Shiré (Malawi) | 1908.04.12 | 1908.10.04 |
| Bishop Georg Schmid von Grüneck former Bishop of Chur (Switzerland) | 1908.07.13 | 1908.10.04 |
| Bishop Luigi Giacomo Baccini, O.F.M. Cap. former Bishop of Sant’Angelo in Vado (Italy) former Bishop of Urbania (Italy) | 1908.08.18 | 1908.10.04 |
 Bishop Émile-Gabriel Grison, S.C.I.former Vicar Apostolic of Stanley Falls (Congo-Kinshasa) | 1908.03.10 | 1908.10.11 |
| Bishop Vittore Corvaia, O.S.B. Subl. former Abbot Ordinary of Montevergine (Italy) | 1908.07.12 | 1908.10.11 |
| Cardinal Enrico Sibilia former Cardinal-Bishop of Sabina e Poggio Mirteto | 1908.07.30 | 1908.10.11 |
| Bishop Albino Pella former Bishop of Casale Monferrato (Italy) | 1908.08.19 | 1908.10.11 |
| Bishop Laureano Vérez de Acevedo, S.J. former Titular Bishop of Nyssa | 1908.08.22 | 1908.10.16 |
| Bishop Lúcio Antunes de Souza former Bishop of Botucatu (Brazil) | 1908.10.17 | 1908.11.15 |
| Bishop Giuseppe Foschiani former Bishop of Feltre (Italy) former Bishop of Belluno (Italy) | 1908.10.24 | 1908.11.22 |
| Cardinal Tommaso Pio Boggiani, O.P. former Cardinal-Bishop of Porto e Santa Rufina former Cardinal-Priest of S. Lorenzo in Damaso in commendum former Chancellor of Apostolic Chancery | 1908.10.31 | 1908.11.22 |
| Bishop Auguste-Jean-Gabriel Maurice (穆理思), O.F.M. former Vicar Apostolic of Central Shaanxi 陝西中境 (China) | 1908.07.28 | 1908.11.30 |
| Bishop Élie-Anicet Latulipe former Bishop of Haileybury (Canada) | 1908.10.01 | 1908.11.30 |
 Bishop Stefan Denisiewiczformer Auxiliary Bishop of Płock (Poland) | 1908.11.30 | 1908.11.30 |
| Blessed Archbishop Antoni Julian Nowowiejski former Bishop of Płock (Poland) | 1908.06.12 | 1908.12.06 |
 Archbishop Jan Feliks Cieplakformer Metropolitan Archbishop of Vilnius (Lithuania) | 1908.07.12 | 1908.12.20 |
| Archbishop Nicola Giannattasio former Bishop of Nardò (Italy) | 1908.11.30 | 1908.12.31 |
