Several famous people are associated with these Merrimack County historic places including Gov. Nehemiah Ordway, Sen. William E. Chandler and John Milton Hay.
Some of the country's most noteable architects helped create the Merrimack County places including U.S. Army, George Hammond, Horace Bailey, Ordway, Samuel S.,, Chapin, Edwin T., et al., Albion H. Knight and Samuel H. Dow. Prominent architectural styles found in Merrimack Country are Federal, Greek Revival and Georgian.