On November 27, 1830, the Blessed Virgin Mary appeared to St. Catherine Labouré, a Daughter of Charity of St. Vincent DePaul. Sister Catherine was a Seminary Sister (novice) when she was graced with Mary’s visit. Mary condescended to manifest herself to Sister Catherine and, through her, to the whole Company. Mary seems to have chosen a Seminary Sister so that no one in the Company could consider herself excluded from the message confided through her.
Saint Vincent was an uncompromising, resolute man who dared to shake up the first Ladies of Charity as well as the Daughters of Charity and
…under the protection of Mary… The Founders inculcated in the Daughters of Charity the love and imitation of the Virgin