Morrison, William, fur trader, businessman (Mar. 14, 1763-Apr. 9, 1837). Born in bucks County, Pennsylvania, he established a fur trading-mercantile business at Kaskaskia, Illinois, in 1790, his operation ultimately extended to the Rocky Mountains, Santa Fe (in a primordial way), and New Orleans. He also speculated in land by dubious means, was associated with Manuel Lisa, became a partner in the Missouri Fur Company of St. Louis and entered numerous other fields; he was active in supplying the army during the War of 1813. His economic empire dwindled thereafter however, he retired in 1839 and died at Kaskaskia.