Thornhill

Thornhill sits on Toronto's northern border in the Regional Municipality of York, straddling the cities of Vaughan and Markham along the Yonge Street corridor. The riding takes in the portion of Vaughan east of Highway 400 and south of Rutherford Road, including the rapidly developing Vaughan Metropolitan Centre, as well as a section of Markham west of Highway 404. It is a predominantly suburban constituency of residential subdivisions, commercial plazas, and scattered remnants of agricultural land.

Candidates

Peter Kent (Conservative) — The incumbent MP, first elected in 2008, seeking a fourth term. Before entering politics, Kent had a four-decade career in broadcast journalism, working as a foreign correspondent and anchor at CBC Television and spending a decade at NBC News, where he earned four Emmy nominations. He was inducted into the Canadian Association of Broadcasters Hall of Fame in 2000 and served as Minister of the Environment from 2011 to 2013.

Gary Gladstone (Liberal) — A businessman and philanthropist who had lived in Thornhill for over twenty-five years. Gladstone joined his family's jewelry business, which grew into a national enterprise. He helped raise over twenty-seven million dollars for charities including Reena, UJA Federation of Greater Toronto, and Kenora Chiefs Advisory, and received the Queen Elizabeth II Diamond Jubilee Medal for volunteer service.

Sara Petrucci (NDP) — Petrucci carried the NDP banner in Thornhill, campaigning on the party's platform of expanded social programs and housing affordability.

Josh Rachlis (Green Party) — A performer, comedian, and filmmaker who was making his second run for the Greens in Thornhill after also contesting the riding in 2015. A graduate of the Second City Conservatory, Rachlis had founded a comedy troupe with Steve Patterson and brought a creative arts perspective to the campaign.

Nathan Bregman ran for the Rhinoceros Party and Waseem Malik for CFF — Canada's Fourth Front.

About the Riding

Thornhill's Jewish community—one of the largest concentrations in any Canadian federal riding—has long shaped the constituency's political character. Synagogues, Jewish day schools, kosher restaurants, and community organizations line the corridors along Bathurst Street and Clark Avenue. Canada-Israel relations, Middle East policy, and antisemitism have been perennial campaign issues. A large population of Russian-speaking Jewish immigrants who arrived in the 1970s and after the collapse of the Soviet Union gives the riding a distinctive cultural character blending Eastern European heritage with Canadian suburban life.

Beyond its Jewish community, Thornhill is home to significant Korean, Chinese, and South Asian populations, creating a multilingual commercial landscape along major arteries. The Vaughan Metropolitan Centre—a major transit hub anchored by the Toronto-York Spadina Subway extension, which opened in December 2017—was attracting office towers and condominium developments, transforming the suburban landscape into a mixed-use urban node. Traffic congestion, transit expansion, and housing affordability in a rapidly densifying market were recurring campaign themes. Kent's long tenure and cabinet-level profile made the riding one of the safer Conservative seats in the 905 belt surrounding Toronto.