Saint Joseph's University is a private Jesuit university in Philadelphia, Lower Merion Township, Pennsylvania, and Lancaster, Pennsylvania. The university was founded by the Society of Jesus in 1851 as Saint Joseph's College. Saint Joseph's is the seventh oldest Jesuit university in the United States and the sixth largest university in Philadelphia. It is named aft…Saint Joseph's University is a private Jesuit university in Philadelphia, Lower Merion Township, Pennsylvania, and Lancaster, Pennsylvania. The university was founded by the Society of Jesus in 1851 as Saint Joseph's College. Saint Joseph's is the seventh oldest Jesuit university in the United States and the sixth largest university in Philadelphia. It is named after Saint Joseph.