Note VII-3 — Chapter VII · GEOGRAPHY OF THE MISSISSIPPI.[VII-1]
Reading edition
See note12, p. 7, and add: I suspect that Noir is not the F. adj. which means "black," but a perversion of the noun Noix, Noyau, or Noyer, meaning "nut" or "walnut." Beck's Gazetteer, 1823, gives the name as Noyer cr.