Ernest du Pont (1880-1944) and his elder brother Francis Irenee du Pont (1873-1942) founded the U.S.F. Powder Company in 1919, which produced flashless cannon powder. This item is a cabinet card photograph of Ernest du Pont (1880-1944) as a young child.

Alfred Irénée du Pont (1864-1935) was the eldest son of E.I. du Pont (1829-1877). He joined the family gunpowder firm in 1884. Gabrielle Shubrick Crofton (1835-1894) was the daughter of Alfred I. du Pont's first cousin, Julia Sophia du Pont (1806-1882) and Irvine Shubrick (1797-1849). This collection consists of two individual portraits, one of Gabrielle Shubrick Crofton and the other of Alfred I. Du Pont.

Hardware stores sell household hardware for home improvement directly to customers. This is an image of the exterior of an unidentified hardware store. Three men are posed in front.

The Individuals and families series includes includes du Pont, his family and extended family, friends and associates. The images are mostly individual portraits of identified people, over half of this series contains photographs of various du Pont family members, with particular emphasis on P.S. du Pont. There are group portraits and snapshots of families, many identified, but not always. Most of the photographs are original and there are a few original engravings, however, there are also many photographic reproductions of engravings, paintings, or drawings of those who lived prior to the invention of photography in 1826. There are glass and film negatives taken by P.S. du Pont himself. Many of these are from his youth; for example, the 65 negatives taken at Phillips Academy where his brother was a student. There are albums of cartes de visite of which many of the subjects are identified and also an album once in the possession of Henry Algernon du Pont containing Civil War-era military officers (predominantly physicians) and military scenes. There is a two-volume set of du Pont de Nemours family portraits that was printed for the 100 anniversary of the family and an album of the 150th family reunion in 1950. The albums are listed in the beginning of the series, followed by individuals/families listed alphabetically by last name.

Irene (Renee) Carpenter (1911-1991) 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. She was the second child of R.R.M. Carpenter (1877-1949) and Margaretta Lammot du Pont (1884-1973) and a granddaughter of Lammot du Pont (1831-1884). The collection consists of photographs of Irene Carpenter Draper, as a child and as a young adult, and her extended family.

Maurice du Pont Lee (1885-1974) was the General Advisor to the Chief Engineer of E.I. du Pont de Nemours & Company. The collection includes photographs of Maurice du Pont Lee's family members. The collection also includes a group of public relations photographs of Maurice du Pont Lee, dating from 1950 to 1969.

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. She collected family portraits while compiling a family genealogy. This collection includes daguerrotypes, tintypes, ambrotypes and other early portrait photographs of various family members.