Initial construction XIIe siècle (≈ 1250)
Edification on an old oppidum.
1600-1699
Major restoration
Major restoration 1600-1699 (≈ 1650)
Works in the 17th century.
1800-1899
Partial reconstruction
Partial reconstruction 1800-1899 (≈ 1850)
Restoration in the 19th century.
2 février 1948
MH classification
MH classification 2 février 1948 (≈ 1948)
Listed as historical monuments.
Aujourd'hui
Aujourd'hui
Aujourd'hui Aujourd'hui (≈ 2025)
Position de référence.
Heritage classified
The church: inscription by decree of 2 February 1948
Key figures
Saint Yon - Church patron
Dedication of the religious building.
Origin and history
Saint-Yon de Saint-Yon Church is a Catholic parish church dedicated to Saint Yon, located in the Essonne department, Île-de-France. Built in the 12th century on an ancient oppidum, it bears witness to a marked medieval heritage. Its original portal, typical of this period, is one of the few elements preserved after the important restorations of the seventeenth and nineteenth centuries.
The building was listed as historic monuments by order of 2 February 1948. This protection recognizes its heritage value, especially for its Gothic arch entrance adorned with four columns and its arched interior. The nave, completed by a large niche housing the altar, reflects a sober architecture but characteristic of the small rural churches of the time.
Today owned by the municipality of Saint-Yon, the church remains an active place of worship and a testimony of local religious history. Its location on a hill, as well as the traces of its medieval past, make it an emblematic monument of the Estonian heritage. Available sources, such as the Mérimée base or the diocesan archives, confirm its central role in community life for nearly nine centuries.
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