Winterthur near Wilmington in New Castle County, Delaware — The American Northeast (Mid-Atlantic)
The Louise du Pont Crowninshield Building
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Inscription.
This building was added in 1969 and houses Winterthur's library and conservation facilities. Constructed on the site of the former rose garden, the wing was named in honor of Louise du Pont Crowninshield, Henry du Pont's sister and a founder of the National Trust for Historic Preservation.
Erected by Winterthur Museum, Garden & Library.
Topics. This historical marker is listed in these topic lists: Arts, Letters, Music • Education • Horticulture & Forestry. A significant historical year for this entry is 1969.
Location. 39° 48.36′ N, 75° 36.018′ W. Marker is near Wilmington, Delaware, in New Castle County. It is in Winterthur. It can be reached from Garden Lane north of Museum Road, on the right when traveling south. Marker and building are on the Winterthur Museum, Garden & Library grounds. Touch for map. Marker is at or near this postal address: 5105 Kennett Pike, Wilmington DE 19807, United States of America. Touch for directions.
Regionally, this marker is in Greater Philadelphia. It is also in the American Mid-Atlantic, on the Delmarva Peninsula, and on the Eastern Seaboard. Globally, it is in the North Atlantic Region, North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once New Netherland and also one of the original Thirteen Colonies.
Other nearby markers. At least 8 other markers are within walking distance of this marker: East Terrace (within shouting distance of this marker); Glade (within shouting distance of this marker); Bath House (within shouting distance of this marker); Reflecting Pool (within shouting distance of this marker); 300-Year-Old Oak Tree (about 300 feet away, measured in a direct line); Conservatory (about 300 feet away); The Cottage (about 500 feet away); How old is this tree? (approx. ¼ mile away). Touch for a list and map of all markers in Wilmington.
Also see . . .
1. Winterthur Museum, Garden & Library. (Submitted on September 2, 2023, by William Fischer, Jr. of Reynoldsburg, Ohio.)
2. Louise du Pont Crowninshield and What She Collected (Hagley Museum). Hagley Museum website entry (Submitted on September 2, 2023, by William Fischer, Jr. of Reynoldsburg, Ohio.)
3. History of the Louise du Pont Crowninshield Award (National Trust for Historic Preservation). (Submitted on September 2, 2023, by William Fischer, Jr. of Reynoldsburg, Ohio.)
Credits. This page was last revised on October 8, 2026. It was originally submitted on September 2, 2023, by William Fischer, Jr. of Reynoldsburg, Ohio. This page has been viewed 281 times since then and 49 times this year. Last updated on October 7, 2026, by Carl Gordon Moore Jr. of North East, Maryland. Photos: 1, 2. submitted on September 2, 2023, by William Fischer, Jr. of Reynoldsburg, Ohio. • Devry Becker Jones was the editor who published this page.

