 Members pledged to pray one Pater, one Ave, and the invocation "St. Leonard pray for us," daily, and to make weekly a small contributions of alms for the American missions.As a religious institution, the Society took as its patroness Our Lady of the Immaculate Conception, and celebrated both the Feast of the Immaculate Conception and that of St. Leopold Marchion, the patron saint of Maria Leopoldina.Furthermore, each year on December 11, the anniversary of her death, the Society would arrange for a solemn Mass for the repose of her soul and the souls of all the deceased patrons and benefactors of the Society.