Conclave of 1830–1831

1830.12.14 – 1831.02.02

New Pope:Pope Gregory XVI (65)
Prelate elected as Pope:
Location of Conclave:
Quirinal Palace, Rome
Duration of Conclave:
51 days
Number of Electors:
45 (8 absentees)
Ballots Required:
83
Duration of Vacant See:
64 days
Cardinal Dean:Cardinal Bartolomeo Pacca (73)
Cardinal Vice-Dean:Cardinal Pietro Francesco Galleffi (60)
Cardinal Protopriest:Cardinal Luigi Ruffo Scilla (80)
Cardinal Protodeacon:Cardinal Giuseppe Albani (80)
Senior Cardinal-Bishop in Conclave:Cardinal Bartolomeo Pacca (73)
Senior Cardinal-Priest in Conclave:Cardinal Luigi Ruffo Scilla (80)
Senior Cardinal-Deacon in Conclave:Cardinal Giuseppe Albani (80)
Junior Cardinal-Deacon in Conclave:Cardinal Domenico De Simone (61)
Camerlengo:Cardinal Pietro Francesco Galleffi (60)
Vice-Camerlengo:Msgr. Benedetto Cappelletti (66)
Secretary of Conclave:Msgr. Paolo Polidori (52)

Participating Cardinals (45)

Cardinal-Bishops (6)
1ItalyBartolomeo Pacca (73), Cardinal-Bishop of Ostia–Velletri, Prefect of Sacred Congregation of Ceremonies, Cardinal Dean of Sacred College of Cardinals, Archpriest of Papal Archbasilica of Saint John Lateran, Secretary of Commission of Roman and Universal Inquisition, Pro-Datary of His Holiness of Apostolic Dataria and Cardinal Protector of Pontifical Ecclesiastical Academy
2ItalyPietro Francesco Galleffi (60), Cardinal-Bishop of Porto e Santa Rufina, Commendatory Abbot of Subiaco (Italy), Camerlengo of the Holy Roman Church of Reverend Apostolic Camera, President of Sacred Congregation of the Reverend Basilica of Saint Peter, Archpriest of Papal Basilica of Saint Peter and Cardinal Vice-Dean of Sacred College of Cardinals
3ItalyTommaso Arezzo (73), Cardinal-Bishop of Sabina, Cardinal-Priest of S. Lorenzo in Damaso in commendum and Vice-Chancellor of Apostolic Chancery
4ItalyEmmanuele De Gregorio (71), Cardinal-Bishop of Frascati, Cardinal-Priest of Ss. Bonifacio ed Alessio in commendum, Commendatory Archimandrite of Santissimo Salvatore of the Italo-Albanese (Italy), Prefect of Sacred Congregation of the Council and Major Penitentiary of Sacred Apostolic Penitentiary
5ItalyGiovanni Francesco Falzacappa (63), Cardinal-Bishop of Albano and Prefect of Supreme Tribunal of the Apostolic Signatura
6ItalyCarlo Maria Pedicini (61), Cardinal-Bishop of Palestrina and Prefect of Congregation for Sacred Rites
Cardinal-Priests (30)
7ItalyLuigi Ruffo Scilla (80), Cardinal-Priest of S. Martino ai Monti, Metropolitan Archbishop of Napoli (Italy) and Protopriest of Sacred College of Cardinals
8FranceJoseph Fesch (67), Cardinal-Priest of S. Lorenzo in Lucina, Cardinal-Priest of S. Maria della Vittoria in commendum and Metropolitan Archbishop of Lyon (France)
9ItalyCarlo Oppizzoni (61), Cardinal-Priest of S. Bernardo alle Terme and Metropolitan Archbishop of Bologna (Italy)
10ItalyGiuseppe Morozzo della Rocca (72), Cardinal-Priest of S. Maria degli Angeli and Archbishop-Bishop of Novara (Italy)
11ItalyBenedetto Naro (86), Cardinal-Priest of S. Clemente and Archpriest of Papal Basilica of Saint Mary Major
12ItalyGiorgio Doria Pamfilj Landi (58), Cardinal-Priest of S. Cecilia and Prefect of Sacred Congregation of Indulgences and Sacred Relics
13ItalyFabrizio Sceberras Testaferrata (73), Cardinal-Priest of S. Pudenziana and Bishop of Senigallia (Italy)
14ItalyAntonio Pallotta (60), Cardinal-Priest of S. Silvestro in Capite
15ItalyErcole Dandini (71), Cardinal-Priest of S. Balbina, Prefect of Sacred Congregation of Good Government, Bishop emeritus of Osimo (Italy) and Bishop emeritus of Cingoli (Italy)
16ItalyCarlo Odescalchi (45), Cardinal-Priest of Ss. XII Apostoli, Prefect of Sacred Congregation of Bishops and Regulars and Metropolitan Archbishop emeritus of Ferrara (Italy)
17ItalyGiacinto Placido Zurla, O.S.B. Cam. (61), Cardinal-Priest of S. Croce in Gerusalemme, Prefect of Sacred Congregation of Studies and Vicar General for the Vicariate of Rome of Roma (Italy)
18ItalyGiovanni Battista Bussi (75), Cardinal-Priest of S. Pancrazio and Metropolitan Archbishop of Benevento (Italy)
19ItalyKarl Kajetan Gaisruck (61), Cardinal-Priest of S. Marco and Metropolitan Archbishop of Milano (Italy)
20SpainPedro Inguanzo y Rivero (65), Metropolitan Archbishop of Toledo (Spain)
21ItalyLuigi Micara, O.F.M. Cap. (55), Cardinal-Priest of Ss. Quattro Coronati and Minister General emeritus of Order of Friars Minor Capuchin (Capuchin Franciscans)
22FranceGustave-Maximilian-Just de Croÿ-Solre (57), Cardinal-Priest of S. Sabina and Metropolitan Archbishop of Rouen (France)
23ItalyBartolomeo Alberto Cappellari, O.S.B. Cam. (65), Cardinal-Priest of S. Callisto and Prefect of Sacred Congregation of the Propagation of the Faith
24ItalyPietro Caprano (71), Cardinal-Priest of Ss. Nereo ed Achilleo and Prefect of Sacred Congregation of the Index
25ItalyGiacomo Giustiniani (60), Cardinal-Priest of Ss. Marcellino e Pietro and Archbishop-Bishop of Imola (Italy)
26ItalyVincenzo Macchi (60), Cardinal-Priest of Ss. Giovanni e Paolo
27ItalyGiacomo Filippo Fransoni (55), Cardinal-Priest of S. Maria in Ara Coeli
28ItalyBenedetto Colonna Barberini di Sciarra (42), Cardinal-Priest of S. Maria sopra Minerva and Master of Papal Chamber emeritus of Prefecture of the Holy Apostolic Palaces
29ItalyGiovanni Antonio Benvenuti (65), Cardinal-Priest of Ss. Quirico e Giulitta, Bishop of Osimo (Italy) and Bishop of Cingoli (Italy)
30ItalyIgnazio Nasalli-Ratti (80), Cardinal-Priest of S. Agnese fuori le mura
31FranceJoachim-Jean-Xavier d’Isoard (64), Cardinal-Priest of S. Pietro in Vincoli and Metropolitan Archbishop of Auch (France)
32ItalyAntonio Domenico Gamberini (70), Cardinal-Priest of S. Prassede and Bishop of Orvieto (Italy)
33ItalyCesare Nembrini Pironi Gonzaga (62), Cardinal-Priest of S. Anastasia and Bishop of Ancona e Umana (Italy)
34EnglandThomas Weld (57), Cardinal-Priest of S. Marcello and Coadjutor Bishop emeritus of Kingston (Canada)
35ItalyRaffaele Mazio (65), Cardinal-Priest of S. Maria in Trastevere and Assessor of Commission of Roman and Universal Inquisition
36FranceLouis François-Auguste de Rohan Chabot (42), Metropolitan Archbishop of Besançon (France)
Cardinal-Deacons (9)
37ItalyGiuseppe Albani (80), Cardinal-Deacon of S. Maria in Via Lata, Secretary of State of Apostolic Secretariat, Librarian of Vatican Apostolic Library, Archivist of Vatican Secret Archives and Protodeacon of Sacred College of Cardinals
38ItalyAgostino Rivarola (72), Cardinal-Deacon of S. Maria ad Martyres and Prefect emeritus of Prefecture of the Holy Apostolic Palaces
39ItalyCesare Guerrieri Gonzaga (81), Cardinal-Deacon of S. Adriano al Foro and Camerlengo emeritus of Sacred College of Cardinals
40ItalyAntonio Frosini (79), Cardinal-Deacon of S. Maria in Cosmedin and Prefect of Sacred Congregation of Indulgences and Sacred Relics
41ItalyTommaso Riario Sforza (48), Cardinal-Deacon of S. Maria in Domnica and Camerlengo emeritus of Sacred College of Cardinals
42ItalyTommaso Bernetti (50), Cardinal-Deacon of S. Cesareo in Palatio and Vice-Camerlengo of the Holy Roman Church emeritus of Reverend Apostolic Camera
43ItalyBelisario Cristaldi (66), Cardinal-Deacon of S. Maria in Portico and Camerlengo of Sacred College of Cardinals
44SpainJuan Francisco Marco y Catalán (59), Cardinal-Deacon of S. Agata alla Suburra and Vice-Camerlengo of the Holy Roman Church emeritus of Reverend Apostolic Camera
45ItalyDomenico De Simone (61), Cardinal-Deacon of S. Angelo in Pescheria and Master of Papal Chamber emeritus of Prefecture of the Holy Apostolic Palaces

Cardinal-Electors unable to participate (8)

Rome TimeEvent
1830.12.14 Tuesday
AfternoonEntry into Quirinal Palace
1830.12.15 Wednesday
Morning1ˢᵗ Vote
Morning⚫ Smoke
1831.02.02 Wednesday
Afternoon83ʳᵈ Vote
Afternoon“Habemus Papam”

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