Cottonwood House Historic Park established as a Provincial Park per Order in Council 1654, 27 June 1963, containing 21 acres more or less; incorrectly confirmed in geographical names records as "Cottonwood House Park" 10 February 1966 on 93G. Area added per OIC 3757, 22 November 1974, the whole now containing 26.4 acres more or less. Form of name corrected in geographical names records to "Cottonwood House Historic Park (Provincial Historic Park)" 29 November 1984. Park status cancelled per Bill 86, Park Amendment Act 1999, Schedule A, effective 28 June 1999. Redesignated as Cottonwood House Historic Park (Provincial Heritage Property) under provisions of the Heritage Conservation Act, per Order in Council 758, 2 July 1999.
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office