She was a daughter of Henry A. du Pont (1838–1926) and Pauline Foster du Pont (1849–1902). Her brother was Henry Francis du Pont (1880–1969). She was born, raised, and educated at the family estate, Winterthur, north of Wilmington, Delaware.
Marriage Activities Louise du Pont Crowninshield actively participated in charitable organizations, horticulture, historic preservation, and collected antiques and hooked rugs. One of Louise du Pont Crowninshield"s earliest historic restoration projects was the original du Pont family estate, Eleutherian Mills, where she resided during the spring and fall months. She was a founding trustee of the National Trust for Historic Preservation in 1949 and was vice-chairman of the board in 1953.
In recognition of her services to historic preservation, the National Trust instituted an annual award, the Louise Evalina du Pont Crowninshield Award.
She was also involved with historic restoration in Virginia, particularly the Kenmore Association, of which she was a regent. She often provided financial assistance and artifacts when needed at historic sites.
In addition, she was a member or trustee of numerous historical societies, museums, art, and symphony organizations. Death She died on July 11, 1958 in Wilmington, Delaware. relating to Louise East. du Pont Crowninshield are part of the Archives owned by Hagley Museum and Library and the Henry Francis DuPont Winterthur Museum, near Wilmington, Delaware.
A debutante whose coming-out party was held in New York City in 1896, she socialized with members of the city"s most exclusive families.
