9 February 2026

Ontario Historical Society

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The Ontario Historical Society (OHS) is the province’s most prominent historical organization. Initially known as the Pioneer Association of Ontario, its rich history, headquarters, volunteer network, and mission continue to shape its legacy. Learn more at iottawa.net.

Founding History

On September 4, 1888, the Ontario Historical Society was established, largely through the efforts of Henry Scadding. Initially a federation of local groups, its goal was to promote British-Canadian nationalism through a historical lens.

By 1898, the society underwent reorganization, shifting its focus to preserving archival documents and historic sites. Today, OHS is a non-profit charitable organization uniting people of all ages, backgrounds, and interests in Ontario’s history.

The historic John McKenzie House, along with the adjacent dairy barn and stables, is protected under the Ontario Heritage Act, emphasizing its importance to the province’s history.

The society is led by a volunteer Board of Directors, supported by a network of over 350 affiliated societies, including individual members, institutions, and organizations.

John McKenzie House

The headquarters of the Ontario Historical Society is located at the John McKenzie House in Willowdale, Ontario. Built in 1913, this building has a fascinating history. Initially, it was the second home for a pioneering family.

In 1801, part of the land was granted to Jacob Cummer, and in 1884, a portion was purchased by English immigrant Philip McKenzie, John’s father. Philip and his wife Sarah moved into the old Cummer farmhouse. Their son John took over the farm, specializing in Holstein cattle.

As farming conditions deteriorated, John subdivided the property in 1912, registering the “Empress Subdivision.” Willowdale transformed from a rural village into a suburban community. In 1913, John and his wife Eva constructed a brick home and built a carriage house and stable on the property.

The Ontario Historical Society has since restored all four historical structures. The carriage house, for example, was renovated to accommodate cars through a public community program. Adjacent to the John McKenzie House, there is a volunteer-run organic community garden.

Mission and Objectives of the Ontario Historical Society

  1. Engaging Stakeholders
    The OHS brings together individuals, organizations, and institutions to exchange ideas, research, and experiences related to Ontario’s rich history, including its cultural and natural heritage, cemeteries, and scientific studies.
  2. Networking
    It serves as a hub for museums, cultural organizations, and historical societies dedicated to preserving and promoting Ontario’s local history and heritage.
  3. Sponsoring Programs
    The society sponsors educational programs and projects across Ontario, providing opportunities to explore the province’s fascinating history.
  4. Education
    OHS offers educational resources and professional development opportunities to encourage a focus on Ontario’s history in classrooms and museums.
  5. Volunteers
    Volunteers play a critical role in OHS’s operations, offering their time and expertise to organize research, exhibitions, lectures, and events. Their dedication to history and passion for sharing knowledge are integral to the society’s success.

Ontario History Journal

The OHS publishes a peer-reviewed journal called Ontario History, featuring articles and book reviews on the province’s history. The journal is published twice a year and is considered a cornerstone for discussions on Ontario’s past.

First published in 1899 as Papers and Records, the journal was originally created to preserve important documentary sources. Over the last century, it has evolved into a modern scholarly publication, presenting new research and perspectives on Ontario’s heritage.

Why Ontario History Appeals to Readers

  1. Diverse Topics
    The journal covers a wide range of topics, ensuring there is something of interest for every history enthusiast.
  2. Expert-Reviewed Content
    All articles and studies undergo rigorous peer review, ensuring accuracy and reliability.
  3. International Contributions
    Articles from Canadian and international scholars provide diverse perspectives on Ontario’s history.
  4. Flexible Formats
    Available in both print and digital formats, readers can choose their preferred method of access.

The Ontario Historical Society remains a driving force in preserving, interpreting, and promoting the multifaceted heritage of Ontario, ensuring it is appreciated for generations to come.

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