DePaul University is a private Catholic research university in Chicago, Illinois, United States. Founded by the Vincentians in 1898, the university takes its name from the 17th-century French priest Saint Vincent de Paul. In 1998, it became the largest Catholic university in terms of enrollment in North America. Following in the footsteps of its founders, DePaul pla…DePaul University is a private Catholic research university in Chicago, Illinois, United States. Founded by the Vincentians in 1898, the university takes its name from the 17th-century French priest Saint Vincent de Paul. In 1998, it became the largest Catholic university in terms of enrollment in North America. Following in the footsteps of its founders, DePaul places special emphasis on recruiting first-generation students and others from disadvantaged backgrounds.