The Briscoe Center for American History at the University of Texas at Austin, houses the Abijah Hunt Papers. A Guide to the Abijah Hunt Papers, 1800-1821, 1880:
Abijah Hunt, a native of New Jersey, formed a business partnership with his brothers Jeremiah and Jess Hunt, and Elijah Smith. He came to Natchez in 1798 as a sutler, or licensed merchant, for the United States Army stationed along the lower Mississippi River.
He [David Hunt, Abijah's nephew] became the most successful and wealthiest planter in the county [Jefferson County, Mississippi]. He was a native of New Jersey and when a youth came west in the capacity of a clerk and assistant to his uncle Abijah Hunt, who received the appointment of sutler in Wayne's army which was sent to chastise the turbulent tribes on the western frontier. Abijah Hunt realized a considerable fortune from the appointment and when hostilities ceased, he came to the Natchez country to invest his capital. Abijah Hunt fell in a duel with Governor George Poindexter. [Source]
His brother, John Wesley Hunt, has papers housed in Transylvania University Special Collections, Lexington, Kentucky:
"John Wesley Hunt, a native of Trenton, New Jersey, settled in Lexington, Kentucky in 1794. He operated a dry goods store there in partnership with his brother Abijah Hunt, until 1800, when Abijah moved to Mississippi."