Thomson Memorial Park is a midsize park on 1005 Brimley Road in the Scarborough portion of Toronto, Ontario, Canada. It is the site of the Scarborough Historical Museum and includes historical houses of the founding family of the former city, the Thomson's, from the 1790s; more Thomson houses are found on the northern edge of the park on St. Andrew's Road (number 1 and 142 have designating plaques), as well as the adjacent St.