Carroll family members including Charles Carroll (1702-1782), landowner, of Annapolis, Maryland, and his son, Charles Carroll, member of the Continental Congress, signer of the Declaration of Independence, and United States senator, of Carrollton, Maryland. Letters, deeds, bills, accounts, and account books of Charles Carroll of Annapolis, Maryland, and other family papers.

United States secretary of war, member of the Continental Congress from Maryland, Continental Army officer, and physician. Correspondence, financial records, diary, and other papers relating to McHenry's service as United States secretary of war in the administrations of George Washington and John Adams; and as a Continental Army officer, particularly as secretary to George Washington and on the staff of the Marquis de Lafayette.