Its previous member of Parliament was Peter Van Loan, the former Government House Leader.

[2] The riding consists of: (a) that part of the Regional Municipality of York comprising (b) Chippewas of Georgina Island First Nation Indian Reserve; and (c) that part of the County of Simcoe comprising the towns of Bradford West Gwillimbury.

[3] According to the 2021 Canadian census[4] Ethnic groups: 74.1% White, 5.1% South Asian, 4.9% Chinese, 3.0% West Asian, 2.7% Indigenous, 2.5% Black, 2.0% Latin American, 1.5% Southeast Asian, 1.4% Filipino Languages: 72.7% English, 2.1% Portuguese, 2.0% Russian, 1.9% Mandarin, 1.7% Cantonese, 1.6% Italian, 1.5% Spanish, 1.1% Persian Religions: 53.2% Christian (26.6% Catholic, 4.2% United Church, 4.0% Anglican, 3.0% Christian Orthodox, 1.3% Presbyterian, 1.2% Baptist), 4.0% Muslim, 2.0% Hindu, 1.3% Buddhist, 1.1% Jewish, 37.2% none Median income: $43,200 (2020) Average income: $55,200 (2020) Riding associations are the local branches of the national political parties: It was originally created in 1966 from parts of Dufferin—Simcoe and York North ridings.

It consisted of: The electoral district was abolished in 1976 when it was redistributed between Simcoe South, York North and York—Peel ridings.

A by-election in the riding took place on February 25, 2019, to replace Peter Van Loan, who retired.