116 The things that were done and said by this holy priest, who was raised to the honors of the Heavenly Saints and whose 100th anniversary We are commemorating, cast a kind of heavenly light beforehand over the supernatural truths which were made known to the innocent girl at the grotto of Lourdes. For this man had such great devotion to the Immaculate Conception of the Virgin Mother of God that in 1836 he dedicated his parish church to Mary Conceived Without Sin and greeted the infallible definition of this truth as Catholic dogma in 1854 with the greatest joy and reverence. (103)
Source: Sacerdotii Nostri Primordia (Vatican.va)