Several famous people are associated with these Philadelphia County historic places including Stephen Girard, Frederick Douglass, Charles Willson Peale and Moses Aaron Dropsie.
Some of the country's most noteable architects helped create the Philadelphia County places including Karcher & Smith, John Haviland, Van Arkel & Moss, G.W. & W.D. Hewitt, Wilson Eyre Jr., Theophilus P. Chandler, Robert E. Peary, Pierre L'Enfant, William Strickland and Frederick Graff. Prominent architectural styles found in Philadelphia Country are Late Victorian, Colonial Revival and Italianate.