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Map of AWRA Boundaries created by Bill Hertha.
The Aileen-Willowbrook neighbourhood is in southwest Markham, south of Highway 407 with Bayview Ave as the eastern border and the railway line north of John St as the southern border.
Home to over 10,000 people, representing 23% of Markham Ward 1 population, Aileen-Willowbrook is a welcoming and diverse neighbourhood with a strong sense of community.
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For more information click on the links below:

The upcoming Bayview and John Visioning exercise opens the door to pursue the opportunity to improve our neighbourhood and to create a vibrant urban focal point for the surrounding community as intended in the Markham official plan.
The Bayview and John visioning exercise opens unique opportunities including:
Visit our webpage about creating a new vision for the future of Aileen-Willowbrook.
Ward 1 amenities and Community service levels are already overloaded according to City of Markham standards. Recently approved developments will raise our neighborhood's population by at least 15%. Service deficits need to be addressed!
These services reach beyond the AWRA community. They serve all Ward 1, whose population will double in the coming years due to developments in the Yonge North Subway Extension, the Bridge TOC, and the Langstaff Gateway area.
Yet, regardless of the foreseeable increase in demand, Commercial and Retail services will be drastically reduced if Thornhill Square is redeveloped as per the 2023 settlement agreement (for more info visit our Thornhill Square webpage).
Urban intensification exacerbated by decades of housing supply deficits has lead to one of the biggest housing affordability crisis.
"Emergency" responses to the housing crisis had lower many urban planning development "barriers" leaving urban development susceptible to abuse and overdevelopment which in turn threatens the quality of life of our area.
While Shouldice lands overdevelopment was adverted, Thornhill Square redevelopment (currently on hold due to sanitary capacity constrains) poses the biggest threat to the area livability.
We need to ensure our community to be a vibrant place to live, work, shop and play!
Busy lives make challenging for residents to get involved until a crisis comes knocking at the door; unfortunately by that time is usually too late to change the outcome.
We leave a great amount of our future on the hands of our elected officials and city staff but without oversight and involvement of the residents many key local aspects get lost in the bureaucratic process leading to unwanted results like the settlement on Thornhill Square.
If you are interested to help in the urban future and quality of life of our area visit our
Aileen-Willowbrook neighborhood cans be charactirized as a typical car-dependent, family oriented commuter community developed in the early 70's.
Home to over 10,000 people, representing 23% of Markham Ward 1 population, Aileen-Willowbrook is a welcoming and diverse neighbourhood with a strong sense of community.
Our neighborhood includes:
The Community Centre, Thornhill Square and the adjacent Shouldice Hospital and Park are the key components of the Thornhill Centre, defined as the "heart" of Markham-Thornhill Ward 1 and in need of a new urban vision..... Read our Thornhill Town Centre vision.

Thornhill Centre
A brief history of the Neighborhood
Long time ago (1794-1945)

2017 Benjamin Thorne Monument at TCC&L
iypropert2024 Thornhill Square rhood Milestones (help us to complete it*)
1953 Shouldice private Hospital (formerly Shouldice Hernia Centre) moved to Thornhill and start operating on the McCullagh house, see the history of the property here
1971 York Region was created
1970-1980 Most houses in the are are built
1976 Johnsview Village Townhomes were completed
1975 Thornhill Community Centre (TCC) & Library opens
1991 Landmark Condos were completed
2003 Dawn of the Dead horror movie filmed in Thornhill Square mall
2008 Canac Kitchens closes after 41 years in Thornhill
2008 Olde Thornhill Village were completed
2011 The Bayview Villas Townhomes were completed
2019 Harold Lawrie Lane townhomes were completed (old Canac property)
2023 City of Markham finalized purchase of the Shouldice property to become a park
2023 Thornhill Square redevelopment Settlement Agreement enabling overdevelopment
2024 Thornhill Square property is listed for sale
2025 Bayview and John area visioning started
* The list has been compiled by volunteers but not vetted for accuracy or completeness.
We welcome your suggestions and comments to make it better.

Ailleen-Willowbrook circa 1970.









Disclaimer: Several of the Images used on the above webpage come from Development application documents submitted to the City of Markham under PLAN 20 130784, City of Markham reports and submissions to OLT-22-003917, and other publicly available documents, including McCor Management's Thornhill Square brochure.

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AWRA Last Updated: April 16, 2026.
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