 The neighbourhood, which includes the Tam O'Shanter (east of Warden) and Sullivan (west of Warden) communities, takes its name from Tam O’Shanter Golf Course and O'Sullivan's Corners.The neighbourhood is sometimes included as part of the neighbourhood of Agincourt, which borders Tam O'Shanter to the east.Both regions are part of the electoral district of Scarborough—Agincourt, and the Agincourt Mall is located in Tam O'Shanter.