Giovanni Domenico Mansi

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Most Reverend Giovanni Domenico Mansi
Archbishop of Lucca
Pompeo Batoni, Portrait of Archbishop Giovan Domenico mansi, 1764. Lucca, Museo Nazionale di Palazzo Mansi
Diocese	Diocese of Lucca
Personal details
Born	(1692-02-16)16 February 1692 Lucca, Republic of Lucca
Died	27 September 1769(1769-09-27) (aged 77) Lucca, Republic of Lucca
Nationality	Italian
Occupation	Theologian, historian

Gian (Giovanni) Domenico Mansi (16 February 1692 – 27 September 1769) was an Italian prelate, theologian, scholar and historian, known for his massive works on the Church councils.^{[1][note 1]}

He was born at Lucca, of a patrician family, and died archbishop of that city. At the age of sixteen he entered the Congregation of Clerics Regular of the Mother of God and made his profession in 1710. Except for some journeys made for purposes of study, his whole life, until his appointment as Archbishop of Lucca (1765), was spent in his religious home.

In 1758, after a sojourn at Rome, where he had been received by Cardinal Passionei, there was question of elevating him to the Sacred College, but his collaboration in an annotated edition of the famous Encyclopédie displeased Clement XIII. It should be remarked that the notes in this edition were intended to correct the text. Three years after his elevation to the episcopate he was smitten with an attack of apoplexy which left him suffering, deprived of the power of motion, until his death.

His long career was filled chiefly with the re-editing of erudite ecclesiastical works with notes and complementary matter. His name appears on the title-pages of ninety folio volumes and numerous quartos. In the opinion of Auguste Boudinhon, the French priest and canonist who profiled Mansi for The Catholic Encyclopedia, he was "an indefatigable worker, widely read and thoroughly trained, his output was chiefly of a mechanical order, and unoriginal because hurried". His task was most often limited to inserting notes and documents in the work to be reproduced and sending the whole result to the printer, a process which resulted in numberless shortcomings.

The only work worth mentioning that is all Mansi's own is his Tractatus de casibus et censuris reservatis, published in 1724, which brought him into difficulties with the Index Librorum Prohibitorum. The rest are all annotated editions. In 1726 there was Jo. Burch. Menckenii De Charlataneria eruditorum declamationes duae cum notis variorum; from 1725 to 1738, an annotated Latin translation of the three works of Antoine Augustin Calmet—the Dictionnaire de la Bible, Prolégomènes et Dissertations, and Commentaire littéral.

The best-known publication of Mansi is his vast edition of the Councils, Sacrorum Conciliorum nova et amplissima collectio (31 vols., folio, Florence and Venice, 1758–98), which was stopped by lack of resources in the middle of the Council of Florence of 1438. The absence of an index renders it inconvenient, and in a critical point of view it leaves an immensity to be desired. Mansi saw only fourteen volumes of it published, the others were finished from his notes.

In 1748 he began to publish the first volume of a collection which was presented as a supplement to that of Coleti; the sixth and last volume of it appeared in 1752. The collection has been reprinted: in Paris by H. Welter, (1901–1927); and in Graz by the Akademische Druck- und Verlagsanstalt in 1960. The 1901 edition has been digitized by the University of Michigan Law Library.

• Augustin Calmet's 1720 dictionary as Dictionarium, Historicum, Criticum, Chronologicum, Geographicum, Biblicum, Latinis Litteris traditum a J. Dom. Mansi
• Mansi, Joannes Dominicus, ed. (1774). Sacrorum conciliorum nova et amplissima collectio. Vol. 19. Venetia: Antonius Zatta.

• Vannini, Fabrizio (2007). "MANSI, Giovanni Domenico". Dizionario Biografico degli Italiani, Volume 69: Mangiabotti–Marconi (in Italian). Rome: Istituto dell'Enciclopedia Italiana. ISBN 978-8-81200032-6.
• Susanne Schurr (1993). "Mansi, Giovanni Domenico". In Bautz, Traugott (ed.). Biographisch-Bibliographisches Kirchenlexikon (BBKL) (in German). Vol. 5. Herzberg: Bautz. cols. 709–710. ISBN 3-88309-043-3.
• Mansi GD, Sacrorum Conciliorum Nova et Amplissima Collectio Original Latin text digitized by Google books and Gallica.