Several famous people are associated with these Northumberland County historic places including Joseph Priestley and Dr. Joseph Priestley.
Some of the country's most noteable architects helped create the Northumberland County places including Wilkins,W.G.,Co., George W. Rockwell, Thomas H. Atherton, Davis & Rice, James B. Long, Foller & Levan, Groton Bridge & Manufacturing Co., George W. Keefer, Henry Speer and Jacob DoudeL. Prominent architectural styles found in Northumberland Country are Federal, Late Victorian and Beaux Arts.