 Under this Marian title, the Virgin Mary is designated as the Principal Patroness of Louisiana and the Archdiocese of New Orleans dating from a 1928 Papal bull from the Sacred Congregation of Rites.The image is presently enshrined at the National Shrine of Our Lady of Prompt Succor while her feast day is celebrated on 8 January.French Ursuline nuns first arrived in Louisiana in 1727.