| Bishops (74) | Elected | Consecrated |
 Bishop Filippo Genoveseformer Titular Bishop of Sarepta | 1900.12.17 | 1901.01.03 |
 Archbishop Lazare Miediaformer Metropolitan Archbishop of Shkodrë (Albania) | 1900.11.10 | 1901.01.20 |
 Saint Archbishop Józef Bilczewskiformer Metropolitan Archbishop of Lviv (Ukraine) | 1900.12.17 | 1901.01.20 |
 Bishop Jean-Marie Crochetformer Bishop of Nagpur (India) | 1900.10.25 | 1901.02.10 |
 Bishop Grégoire Haggiar, B.S. (Greek-Melkite Rite)former Bishop of Akka of the Greek-Melkites (Israel) | 1901.03.24 | 1901.03.24 |
 Bishop Antonio José Gomes Cardosoformer Bishop of São Paulo de Loanda (Angola) | 1900.12.17 | 1901.03.25 |
| Archbishop Gennaro Costagliola, C.M. former Metropolitan Archbishop of Chieti (Italy) | 1901.02.11 | 1901.04.21 |
 Archbishop Denis Steyaert, O.C.D.former Titular Archbishop of Damascus | 1901.04.15 | 1901.04.21 |
| Bishop Francesco Certo former Titular Bishop of Sinope former Apostolic Administrator of Santa Lucia del Mela (Italy) | 1901.04.15 | 1901.04.21 |
| Bishop Mario Palladino former Bishop of Caserta (Italy) | 1901.04.15 | 1901.04.21 |
| Archbishop Angelo Struffolini former Bishop of Cerignola (Italy) former Bishop of Ascoli Satriano (Italy) | 1901.04.15 | 1901.04.28 |
 Bishop Angus MacFarlaneformer Bishop of Dunkeld (Scotland) | 1901.02.21 | 1901.05.01 |
 Archbishop Luís Raimundo da Silva Britoformer Metropolitan Archbishop of Olinda (Brazil) | 1901.02.23 | 1901.05.05 |
 Bishop Godfried Marschallformer Auxiliary Bishop of Wien (Austria) | 1901.01.15 | 1901.05.12 |
| Archbishop Balthasar Kaltner former Metropolitan Archbishop of Salzburg (Austria) | 1901.04.15 | 1901.05.12 |
 Archbishop Leo Walegaformer Bishop of Tarnów (Poland) | 1901.04.15 | 1901.05.12 |
 Cardinal William Henry O’Connellformer Cardinal-Priest of S. Clemente former Metropolitan Archbishop of Boston (USA) | 1901.02.08 | 1901.05.19 |
| Bishop Karol Józef Fischer former Auxiliary Bishop of Przemyśl (Poland) | 1901.04.15 | 1901.05.19 |
 Bishop François-Nicolas-Alphonse Kunemann, C.S.Sp.former Vicar Apostolic of Senegambia (Senegal) former Prefect Apostolic of Sénégal (Senegal) | 1901.02.27 | 1901.05.26 |
 Bishop Rafael Fernández Conchaformer Auxiliary Bishop of Santiago (Chile) | 1901.01.14 | 1901.06.02 |
| Bishop Giuliano Cabras former Auxiliary Bishop of Sassari (Italy) | 1900.12.17 | 1901.06.09 |
 Archbishop Thomas Fennellyformer Metropolitan Archbishop of Cashel (Ireland) | 1901.03.31 | 1901.06.09 |
| Bishop Antônio Xisto Albano former Bishop of São Luís do Maranhão (Brazil) | 1901.03.23 | 1901.06.16 |
 Bishop Antonius von Henleformer Bishop of Regensburg (Germany) | 1901.04.13 | 1901.06.16 |
| Bishop Disma Marchese former Bishop of Acqui (Italy) | 1901.04.15 | 1901.06.23 |
 Bishop Guillaume-Lucien-Léon Lacroixformer Bishop of Tarentaise (France) | 1901.04.18 | 1901.06.24 |
| Archbishop Joseph-François-Ernest Ricard former Metropolitan Archbishop of Auch (France) | 1901.04.18 | 1901.06.29 |
| Bishop Henri-Louis-Alfred Bouquet former Bishop of Chartres (France) | 1901.04.18 | 1901.06.29 |
| Archbishop Raffaele Virili former Titular Archbishop of Ptolemais | 1901.06.25 | 1901.06.29 |
 Archbishop Jerzy Józef Elizeusz Szembekformer Metropolitan Archbishop of Mohilev (Belarus) | 1901.04.15 | 1901.06.30 |
| Cardinal Louis-Ernest Dubois former Cardinal-Priest of S. Maria in Aquiro pro hac vice Title former Metropolitan Archbishop of Paris (France) | 1901.04.18 | 1901.07.02 |
| Bishop Emile-Paul-Angel-Constant Le Camus former Bishop of La Rochelle (France) | 1901.04.18 | 1901.07.02 |
 Archbishop José Cadena y Eletaformer Metropolitan Archbishop of Burgos (Spain) | 1901.04.08 | 1901.07.07 |
 Bishop Henry O’Neillformer Bishop of Dromore (Northern Ireland) | 1901.07.07 | 1901.07.07 |
 Bishop Francisco Javier Junguito, S.J.former Bishop of Panamá (Panama) | 1901.04.15 | 1901.07.14 |
| Archbishop Alfonso Archi former Archbishop-Bishop of Cesena (Italy) | 1901.06.19 | 1901.07.19 |
 Bishop Maximilien Albert, S.M.A.former Vicar Apostolic of Gold Coast (Ghana) | 1901.05.25 | 1901.07.21 |
| Cardinal Pierre-Paulin Andrieu former Cardinal-Priest of S. Onofrio former Metropolitan Archbishop of Bordeaux (France) | 1901.04.18 | 1901.07.25 |
| Archbishop François-Marie-Joseph Delamaire former Metropolitan Archbishop of Cambrai (France) | 1901.04.18 | 1901.07.25 |
 Bishop Emmanuel-François Canappeformer Bishop of Guadeloupe et Basse-Terre (Guadeloupe) | 1901.04.18 | 1901.07.25 |
| Bishop John Joseph O’Connor former Bishop of Newark (USA) | 1901.05.24 | 1901.07.25 |
 Bishop Louis-Auguste Dartois, S.M.A.former Vicar Apostolic of Dahomey (Benin) | 1901.05.25 | 1901.07.25 |
| Bishop Peter James Muldoon former Bishop of Rockford (USA) | 1901.06.10 | 1901.07.25 |
 Bishop Ezechiel Francisco Soto, SS.CC.former Bishop of Huaraz (Peru) | 1901.02.27 | 1901.08.15 |
 Archbishop Michael Kellyformer Metropolitan Archbishop of Sydney (Australia) | 1901.07.16 | 1901.08.15 |
| Archbishop Luigi Canali, O.F.M. Obs. former Minister General of Order of Observant Friars Minor | 1901.08.03 | 1901.08.18 |
| Bishop Francesco Ciceri former Bishop of Pavia (Italy) | 1901.04.15 | 1901.08.25 |
 Archbishop Domenico Darmaninformer Metropolitan Archbishop of Corfù (Greece) | 1901.04.16 | 1901.09.08 |
| Bishop Eugene Augustine Garvey former Bishop of Altoona (USA) | 1901.05.31 | 1901.09.08 |
 Bishop Venceslao Frindformer Auxiliary Bishop of Praha (Czechia) | 1901.07.15 | 1901.09.08 |
 Bishop Hippolyte Louis Bazinformer Vicar Apostolic of French Sudan (Mali) | 1901.07.27 | 1901.09.08 |
| Bishop Frantisek Borgia Krásl former Auxiliary Bishop of Praha (Czechia) | 1901.07.27 | 1901.09.08 |
| Bishop John Mary Dunne former Bishop of Bathurst (Australia) | 1901.09.08 | 1901.09.08 |
 Bishop Jacques Roissantformer Auxiliary Bishop of Nikopol (Bulgaria) | 1901.03.18 | 1901.09.15 |
 Archbishop Mattia Dvornikformer Metropolitan Archbishop of Zadar (Croatia) | 1901 | 1901.09.29 |
 Bishop Jean-Marie Mérel (梅致遠), M.E.P.former Vicar Apostolic of Guangzhou 廣州 (China) | 1901.04.20 | 1901.10.06 |
| Bishop Fernando de Souza Monteiro, C.M. former Bishop of Espírito Santo (Brazil) | 1901.08.21 | 1901.10.13 |
| Bishop Alberto Odorico Timmer (翟宇仁), O.F.M. former Vicar Apostolic of Luanfu 潞安府 (China) | 1901.07.20 | 1901.10.28 |
| Archbishop Charles-Henri-Jean-Willibrord Benzler, O.S.B. former Bishop of Metz (France) | 1901.09.21 | 1901.10.28 |
| Bishop Franz Zorn von Bulach former Auxiliary Bishop of Strasbourg (France) | 1901.10.24 | 1901.11.03 |
 Bishop Remigio Guido Barbieri, O.S.B.former Vicar Apostolic of Gibraltar (Gibraltar) | 1901.07.29 | 1901.11.10 |
 Patriarch Boghos (Paul) Bédros XII Sabbaghian (Armenian Rite)former Patriarch of Cilicia of the Armenians (Lebanon) | 1901.08.28 | 1901.11.21 |
 Bishop Mathieu Sislian (Armenian Rite)former Bishop of Cesarea in Cappadocia of the Armenians (Turkiye) | 1901.08.28 | 1901.11.21 |
| Bishop Clément Ghazarossian (Armenian Rite) former Bishop of Ancyra of the Armenians (Turkiye) | 1901.09.09 | 1901.11.21 |
| Bishop Jean Muradian (Armenian Rite) former Bishop of Marasc of the Armenians (Turkiye) | 1901.09.09 | 1901.11.21 |
 Archbishop Flavien Kfoury (Greek-Melkite Rite)former Metropolitan Archbishop of Homs of the Greek-Melkites (Syria) | 1901.11.21 | 1901.11.21 |
| Bishop Marie-Félix Choulet (蘇裴理斯), M.E.P. former Vicar Apostolic of Southern Manchuria 南滿 (China) | 1901.02.21 | 1901.11.24 |
| Bishop Thomas James Conaty former Bishop of Monterey–Los Angeles (USA) | 1901.08.21 | 1901.11.24 |
| Bishop Eduard Herrmann former Auxiliary Bishop of Warmia (Poland) | 1901.08.30 | 1901.11.24 |
| Bishop Clemente Malouf, B.S. (Greek-Melkite Rite) former Bishop of Bāniyās of the Greek-Melkites (Lebanon) | 1901.11.24 | 1901.11.24 |
| Bishop Henri Maquet (馬澤軒), S.J. former Vicar Apostolic of Southeastern Chi-Li 直隸東南 (China) | 1901.07.20 | 1901.12.08 |
| Archbishop Arturo Marchi former Archbishop of Lucca (Italy) | 1901.12.16 | 1901.12.22 |
| Bishop Giovanni Oberti, Sch. P. former Bishop of Saluzzo (Italy) | 1901.12.16 | 1901.12.22 |
| Bishop Gennaro Trama former Bishop of Lecce (Italy) | 1901.12.16 | 1901.12.22 |
