Carroll was born in
Baltimore, Maryland, on December 2, 1791. He graduated from
St. Mary's College in Baltimore in 1808. Carroll studied law, but did not practice. He settled on a farm on the
West River, but later moved back to Baltimore. His reputation was improved when he became judge of the orphans' court and a trustee of the poor. He served as a director of the
Baltimore and Ohio Railroad and the
Chesapeake and Ohio Canal. ==Career==