St. Louise de Marillac
Louise (Paris, August 12, 1595 - Paris, 15 March 1660).
On November 29, 1633 with Vincent founded the Society of the Daughters of Charity.
It is beatified on May 9, 1920 by Pope Benedict XV canonized on March 11, 1934 by Pope Pius XI.
In 1960 Pope John XXIII the patron saint of social workers proclamation.