Margaretta “Meta” du Pont Coleman (1862-1938) was a descendant of Pierre Samuel du Pont de Nemours (1739-1817) who founded the E.I. du Pont de Nemours & Company with his son Eleuthère Irénée du Pont (1771-1834) in 1802. The E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. The Margaretta E. "Meta" du Pont Coleman Papers primarily consist of family correspondence collected by Meta Coleman.

Margaretta Lammot du Pont (1807-1898) was the wife of Alfred Victor du Pont (1798-1856), who worked for E.I. du Pont de Nemours & Co. This collection correspondence to du Pont from Joseph D. Reinboth, of Pennsylvania, and her grandson, T. Coleman du Pont (1863-1930).

Margaretta Lammot du Pont (1807-1898) was the wife of Alfred Victor du Pont (1798-1856), who worked for E.I. du Pont de Nemours & Co. In 1885, she sent a letter to Meta Kemble de Forest (1852-1933) which indicates she is sending book from "Aunt Sophie" [Sophie Madeleine du Pont (1810-1888)].

Mary Augusta Lammot (1811-1905) was a daughter of Daniel Lammot (1782-1877) and Susan Parham Beck Lammot (1786-1817). The letter is from Mary Augusta Lammot to her sister, Margaretta Lammot du Pont (1807-1898), describing her visit to Philadelphia, the things she saw there, and the people she met.