of several historic homes in Oregon City which are open to the public. These sites include the Barclay House (which is part of the McLoughlin House Unit of Fort Vancouver National Historic... Historic Site (the first in the West). It was added to the National Park System in 2003, as a unit of Fort Vancouver National Historic Site. For additional information, visit... into his newly-built mansion in 1846 after being forced to retire. He died in this home in 1857. Dr. John McLoughlins key role in Oregon's early history prompted a later state...