Mason was the son of George Mason, an American patriot, statesman, and delegate from Virginia to the United States. Constitutional Convention. Mason was born on 4 March 1759 at Gunston Hall in Fairfax County, Virginia. Mason was the fifth child and fourth eldest son of George Mason and his wife Ann Eilbeck.
During his early childhood and adolescence, Mason was tutored at Gunston Hall. In 1781, Mason served as a militiaman in the American Revolutionary War. Through deeds of gift in 1781 and 1786, Mason"s father passed to him ownership of four tracts totaling 676 acres (274 km2).
Hollin Hall was destroyed by fire in 1824.
In 1916, industrialist Harley Wilson built an elegant new Hollin Hall in its vicinity. Mason died on 11 March 1820 in Fairfax County, Virginia at age 61.
