Sr. Mara Madeleine of the Sorrowful Heart of Mary On Monday, March 20, 2023 Sr. Mara Madeleine of the Sorrowful Heart of Mary (Katlin R. O’Connor) will make her first vows as a Discalced Carmelite at the Carmel of Saint Joseph, Saint Louis MO. Mass at 7:30 A.M. in the Chapel of the Precious Blood. R