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Abbé Louis Marie Olivier Duchesne (13 September 1843 - 21 April 1922) was a French priest, philologist, teacher and a critical historian of Christianity and Roman Catholic liturgy and institutions.

Descended from a family of Breton sailors, he was born in 1843 in Saint-Servan, Roulais place, now part of Saint-Malo on the Breton coast, and was orphaned at a young age, in 1849, after the death of his father Jacques Duchesne. Marc Tanguy, a relative, was one of the survivors of 74-gun ship Redoutable at the Battle of Trafalgar in 1805. Louis' brother Jean-Baptiste Duchesne settled in Oregon, and arrived at Oregon City in 1849.

He was ordained to the priesthood in 1867. Louis Duchesne taught for many years in Saint-Brieuc, then went to study in Paris, where he influenced the reformist Alfred Firmin Loisy, a founder of the failed movement to bring Catholicism into sympathy with science, the modern social sciences and philosophy, called "Catholic modernism" which eventually precipitated the crisis in the Church under Pope Pius X in the years around 1907.[1] In 1876 he became a member of the École française in Rome; he eventually became its director. He was an amateur archaeologist and organized expeditions from Rome to Mount Athos, to Syria, and Asia Minor, from which he gained an interest in the early history of the Roman Catholic Church.

In 1887 he published the results of his thesis, followed by the first complete critical edition of the Liber Pontificalis. (Theodor Mommsen was also working on a critical study, but it was never finished). At a difficult time for critical historians applying modern methods to Church history, drawing together archaeology and topography to supplement literature and setting ecclesiastical events with contexts of social history, Abbé Duchesne was in constant correspondence with like-minded historians among the Bollandists, with their long history of critical editions of hagiographies.

He also wrote Les Sources du martyrologe hyéronimien, Origines du culte chrétien (translated as Christian Worship: Its Origin and Evolution and often reprinted), Fastes épiscopaux de l'ancienne Gaule, and Les Premiers temps de l'État pontifical. These works were universally praised, and he was appointed a commander of the Legion of Honor. However, his Histoire ancienne de l'Église, 1906‑11 (translated as Early History of the Christian Church) was considered too modernist by the Church during the "Modernist crisis" and was placed on the Index of Forbidden Books in 1912.

In 1888 he became a member of the Académie des inscriptions et belles-lettres, and in 1910 he was elected to the Académie française. He died in 1922 at Rome and now is in Saint-Servan's cemetery.

External links


  • Joassart, B., editor Monseigneur Duchesne et les Bollandistes: Correspondance 2002. 122 letters between Duchesne and the Bollandists
Cultural offices
Preceded by
François-Désiré Mathieu
Seat 36
Académie française
Succeeded by
Henri Brémond

ro:Louis Duchesne