Prehistoric cultural affiliation(s) include Archaic, Woodland and Et Al. dating back to 8999 BC.
Several famous people are associated with these Calvert County historic places including Commodore Joshua Barney, Roger Brooke Taney and Charles Grahame.
Some of the country's most noteable architects helped create the Calvert County places including Johnathan Stricker, Frank Laird, B.P. Miles, William Price, Mr. Winston, Gibson & Company Lyons, J.B. Lusby, Gray, John B. and Sr.. Prominent architectural styles found in Calvert Country are Georgian, Colonial Revival and Gothic Revival.