Several famous people are associated with these Allegany County historic places including John B. Church, Andrew James McNett and Moses Van Campen.
Some of the country's most noteable architects helped create the Allegany County places including Jonathan Allen, Benjamin Latrobe, F.V. Murphy, W.B. Olmstead, E.F. Prichell, Stillman,Maxwell, Jr., Archer, Wm., et al., John H. Coxhead, Groton Iron Bridge Co. and N.G. Tuthill. Prominent architectural styles found in Allegany Country are Greek Revival, Late Victorian and Classical Revival.