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Irénée du Pont

1876 – 1963

American businessman 1876-1963

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About Irénée du Pont

Lived 1876 – 1963 (aged 86). Irénée du Pont was an American businessperson.

Irénée du Pont I (December 21, 1876 – December 19, 1963) was an American businessman, president of the DuPont company, and head of the Du Pont trust.

Early life and education Irénée du Pont I was born on December 21, 1876, in New Castle, Delaware, the son of Mary Belin and Lammot du Pont I, and a descendant of DuPont founder Éleuthère Irénée du Pont.

He graduated from the William Penn Charter School in 1892 before attending Phillips Academy for a year, graduating in 1894, and the Massachusetts Institute of Technology (MIT) in 1897. He received his master's degree in chemical engineering from MIT a year after graduation. While at MIT, he was a member of the Phi Beta Epsilon fraternity.

Career He worked for Fenn's Manufacturing Contracting Company for a number of years before he joined DuPont in 1903. du Pont first worked in the organization of a construction division in black powder, then worked as assistant treasurer, assistant to the general manager and manager of the developmental department. By the start of World War I he was the vice president, and he was named the chairman of the executive committee a year later. In the 1920s and 1930s, the DuPont company also supported German rearmament and worked with the German chemicals conglomerate IG Farben. In 1933, Irénée du Pont is rumored to have been one of the forces behind the Business Plot.

He died on December 19, 1963, in Wilmington, Delaware.

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Important facts

Birth century
Occupation
Nationality
Education
Massachusetts Institute of Technology, Phillips Academy
Also known as
Irenee du Pont, Irénée DuPont

Family & relationships

Child
Colgate Darden
Child
Crawford Greenewalt
Parent
Lammot du Pont

People in Irénée du Pont's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Irénée du Pont's

Frequently asked questions

Who was Irénée du Pont?

American businessman 1876-1963

When was Irénée du Pont born?

Irénée du Pont was born on 21 December 1876 in New Castle.

When did Irénée du Pont die?

Irénée du Pont died on 19 December 1963 in Wilmington.

What was Irénée du Pont's occupation?

Irénée du Pont was a businessperson.

What nationality was Irénée du Pont?

Irénée du Pont was American.

Sources & further reading

· Wikipedia: Irénée du Pont

· Wikidata: Q6075268

· DBpedia: Irénée du Pont

Cite this page

APA: Biography.guide. (2026). Irénée du Pont. https://biography.guide/irenee-du-pont/

MLA: "Irénée du Pont." Biography.guide, https://biography.guide/irenee-du-pont/.

Chicago: "Irénée du Pont." Biography.guide. https://biography.guide/irenee-du-pont/.

Data last updated: 2026-09-23 · Spot an error? Report a correction.

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