Saint Louise de Marillac

CatholicSaints.Info: Louise de Marillac CatholicSaints.Info: Louise de Marillac- Profile of the patron saint of social workers. Illustrated. St. Louise de Marillac St. Louise de Marillac- Short biography. Ven. Louise de Marillac Le Gras Ven. Louise de Marillac Le Gras- Founder of the Sisters of Charity of St. Vincent de Paul, d. 1660.