When in 970 William Proud to Arm, Duke of Aquitaine donated to the Basilica of Courcôme the Abbey Saint-Hilaire de Poitiers, he wrote that the church is "in honor of Holy Mary, Mother of God". Already on that date, there Courcôme to worship in honor of the Mother of Christ. The word church elder even said: "Virgin Mary in her Assumption. A pilgrimage long existed on the Feast of the Assumption of Mary August 15.