Elmwood (Sault Ste. Marie, Michigan) now Missouri and Arkansas, and in 1820 he was the topographer on an expedition through the upper Mississippi River and Lake Superior regions. After publishing an 1821 book on his travels, Schoolcraft was appointed in 1822 as US Indian agent at Sault Ste. Marie. There, Schoolcraft accepted an invitation from John Johnston to stay at his house. In 1823, Schoolcraft married Jane Johnston Schoolcraft, daughter of Johnston and his wife "Ozhaguscodaywayquay", herself the daughter of Ojibwe war chief "Waubojeeg", After their marriage, the couple continued to live in the Johnston house. The Schoolcrafts had four children: William (1824), who died
John Johnston House (Sault Ste. Marie, Michigan) John Johnston was Justice of the Peace in Sault Ste Marie for many years. He remained in Sault Ste. Marie for the rest of his life, remaining in the fur trade. In 1812, Johnston helped British troops take control of Fort Mackinac on Mackinac Island. In 1814, American forces burned his house, as well as $40,000 of his goods, in retaliation. However, Johnston rebuilt, in part by selling his parent's estate in Ireland, and became connected with John Jacob Astor's American Fur Company. John Johnston died on September 22, 1828. In 1794, John Johnston constructed a house on this site.