John Daniel McInnis apparently a prosperous resident from the entry in the book and his son attending Yale in the 1850's. The first post office was established in Leakesville in 1840, with John McInnis as Post Master. and state representative 1848- 1854. The McInnis family were the first to settle in Leakesville. J. J. McInnis, familiarly known as “Jack” or “Uncle John” had originally come from Scotland. He lived 7 miles east of Red Hill place where he was the only white man in the vicinity for some time. Numerous Choctaws and other Indians occasionally paid him a visit. Mobile was the nearest town of any importance from which to purchase supplies that could not be grown or made at home.
The first post office was established in Leakesville in 1840, with John McInnis as Post Master.
Source: Trip Through The Piney Woods, PDF p. 83.