Jacques Clamorgan
adventurer and American landowner from the West Indies (died 1814)

Jacques Phillippe Clamorgan (d. 1814) was an adventurer, fur trader and land owner in the United States.
Life
Claymorgan was born around 1730 in the West Indies. By 1780, he was a known associate of Thompson and Company of Kingston, Jamaica, possibly working in the Caribbean slave trade, and Marmillion and Company of New Orleans.
In 1781, Clamorgan arrived in St. Louis, then under Spanish regime, and laid claim to more than 1 million acres of Upper Louisiana land, granted by the Spanish authorities. He contributed to a Catholic church in Ste. Genevieve, and traded around the Missouri River Valley and as far as Santa Fe, preceding both the Lewis and Clark Expedition and Santa Fe Trail. In 1793, he and Francisco Luis Héctor de Carondelet established the Company of Discoveries of the Upper Missouri, later called the Missouri Company, to expand Spanish control of trade routes and resist British incursions. As director of the company, he endeavored to find a route to the Pacific Ocean and set up trade monopolies with Baron Carondelet and indigenous tribes of the Upper Mississippi River.
“Jacques Clamorgan” enters the record as adventurer and American landowner from the West Indies (died 1814). Crown Archives preserves that source wording while asking what Jacques, Clamorgan and adventurer can confirm, complicate or overturn.
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This entry incorporates text from “Jacques Clamorgan” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.