Many famous people are associated with these Marion County historic places including Lilly, Josiah Kirby, Jr, Percival; Olmstead Brothe Gallagher, Benjamin Harrison, David Maclean Parry and Margaret Weymouth Jackson.
Some of the country's most noteable architects helped create the Marion County places including Lawrence Sheridan, D. A. Bohler, Park Taliaferro Andrews, Olmsted Brothers, Army Quartermaster Corps, Adolf Scherrer, Lewis Ketchem Davis, George Edward Kessler, Walkers & Weeks and Charles S. Lewis. Prominent architectural styles found in Marion Country are Late 19th And 20th Century Revivals, Bungalow/Craftsman and Colonial Revival.