Aurora Gun Club is a private target shooting organization and social club. It has had six locations since its founding in 1895 by brothers Eugene du Pont (1873-1954) and Alexis I. du Pont (1869-1921), are all centered in the area around Wilmington, Delaware. The records of the Aurora Gun Club are comprised of records collected by the club presidents and treasurers from approximately 1955 through 2006. The records range from membership rosters, club bulletins and shoot results to financial records.

Eugene du Pont Jr. (1873-1954) was a director of the E.I. du Pont de Nemours & Company from 1917 until 1954, and a great grandson of company founder, Éleuthère Irénée du Pont (1771-1834). The papers of Eugene du Pont Jr. include reports to the DuPont Company Board of Directors by the executive committee and the treasurer of the DuPont Company. In addition, there are several copies of letters to du Pont family members.

Pierre Samuel du Pont, IV (1935 -2021), known by many as "Pete," was the sixty-eighth governor of Delaware from 1977 to 1985. In 1987, du Pont started his campaign for president, running as a Republican candidate. After his withdrawal from the presidential race, Pete du Pont resigned from politics and became a partner at Delaware law firm Richards, Layton & Finger. Du Pont was a published writer and member of several academic and political institutions throughout his life and professional career. The collection is predominantly textual material, the bulk of which is du Pont's published writing and professional correspondence as a politician and lawyer. There are photographic prints included that document du Pont's personal life with his family and general du Pont family legacy media coverage. The video portion chronicles du Pont's public appearances, as well as television programs and forums that highlight general conservative talking points, and the work of the National Center for Policy Analysis. The material spans from the mid-twentieth century to the early twenty-first century.

Irene "Sophie" Sophie du Pont May (1900-2001) was a churchwoman, a philanthropist, and 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 collection consists of Sophie du Pont May's family correspondence and financial correspondence as well as correspondence between her father Irénée du Pont (1876-1963) and his older sister Louisa d'Andelot du Pont Copeland (1868-1926).

William du Pont, Sr. (1855-1928) was an industrialist and member of the prominent du Pont family of Delaware, whose family business was the E.I. du Pont de Nemours & Company, also known as the DuPont Company which was a large manufacturer of gunpowder. He worked for the first DuPont dynamite manufacturer, Repauno Chemical Company, as secretary and treasurer (1880-1884) and after the tragic death of Lammot du Pont (1831-1884), as president (1884-1892). William du Pont, Jr. was the youngest child of du Pont, Sr. and Annie Rogers Zinn du Pont (1858-1827). Du Pont Jr. became the president of Delaware Trust Company in 1929, the youngest bank president in Wilmington at that time. In 1952, he became chairman of the board, retaining both positions until his death in 1965. The William du Pont family papers are organized into two record groups: William du Pont, Sr. papers and William du Pont, Jr. papers. The William du Pont, Sr. papers primarily encompass the years of his active business life from the early 1880s to his death in 1928. There are also some papers from his early life and after his death. The William du Pont, Jr. papers document areas of his activities predominantly concerned with land development in Wilmington, Delaware; farming, animal breeding and foxhunting in Delaware, Pennsylvania, Maryland and Virginia; and promotion of horse racing in the United States, especially in Delaware.