From the free out-door life at Nohant she passed at thirteen to the convent of the English Augustinians at Paris, where for the first two years she never went outside the walls.
Although Leo did not fully comprehend the import of the movement, he directed (3rd February 1518) the vicar-general of the Augustinians to impose silence on the monks.
The Benedictine monks preferred secluded sites; the Augustinians did not cultivate seclusion so strictly; but the friars chose the interior of towns by preference.
He entered the order of the barefooted Augustinians on the 31st of March 1644, and it was in their monastery (called the Couvent des Petits Peres, near the church of Notre-Dame des Victoires) that he died, on the 17th of January 1694.
The lofty church of the Augustinians in Thomas Street; St Mary's, the pro-cathedral, in Marlborough Street, with Grecian ornamentation within, and a Doric portico; St Paul's on Arran Quay, in the Ionic style; and the striking St Francis Xavier in Gardiner Street, also Ionic, are all noteworthy, and the last is one of the finest modern churches in Ireland.