St. Louise de Marillac is a Catholic Parish located in Upper St. Clair. We welcome anyone who wants to come visit or worship with us. Come join our family!

St. Louise de Marillac Catholic School is dedicated to excellence in education through the spiritual, intellectual, physical, emotional, and social development of each child within the framework of the Gospel and the tradition of the Catholic Church. Give us a call to learn more! 412-835-0600