On March 16, 1751, James Madison, the fourth President of the United States, was born in Port Conway in southern King George County at Belle Grove plantation, the childhood home of his mother, Eleanor Rose "Nellie" Conway, the daughter of its owner, Francis Conway, for whom Port Conway was named. Two-time Governor of Virginia, William "Extra Billy" Smith, was born at Marengo in 1797.
On May 1, 1861 during the American Civil War, Confederates installed artillery at Mathias Point in order to blockade the Potomac River. On June 27, the steamer Thomas Freeborn bombarded Mathias Point in an attempt to drive away the soldiers who were manning the weapons. Confederate soldiers fired back from Mathias Point, striking and mortally wounding Commander James H. Ward of the Freeborn, who became the first Union naval officer to die in the Civil War.
Stafford County - northwest
Caroline County - soutwest
Essex County - south
Westmoreland County - east
Charles County, Maryland - north, across Potomac