Commonly known as Charles Carroll of Carrollton, this late 18th and early 19th-century planter and Federalist politician held office from 1789 until 1792 as Maryland's first United States Senator. Earlier in his political career, he had served as a delegate to both the Congress of the Confederation and the Continental Congress.
Before pursuing a political career in his native Maryland, he studied law in London, England.
He was the sole Roman Catholic signer of the Declaration of Independence.
His marriage to Mary Darnall resulted in three surviving children: Mary, Charles Jr., and Catherine.
He and one-time Delaware Governor Richard Bassett were both Maryland-born Federalist politicians of the late 18th and early 19th centuries.