Several famous people are associated with these Carroll County historic places including Nathaniel Halderman and Caroline Wade Mark.
Some of the country's most noteable architects helped create the Carroll County places including C. Harfagifer, William T. Miller, D.B. Lawrence, Joseph Steffens, Olmsted & Nicholson, Berkeley Brandt and Jacob Emmert. Prominent architectural styles found in Carroll Country are Italianate, Bungalow/Craftsman and Colonial Revival.