PO Box 523, Station B, Ottawa, ON, K1P 5P6
Slide 1 - With Welcome Message - Bottom

Lady and Lord Aberdeen with the National Council of Women at Rideau Hall, shortly before their return to the United Kingdom, October 1898, Topley Studios/Library and Archives Canada, PA-029033

Truss Bridge over the Chaudière Falls, Ottawa River, watercolour by John Burrows, 1828, Library and Archives Canada, I.D. No. 2833217.

Timber raft on the Ottawa River, date unknown, John William Woolsey and family fonds, Library and Archives Canada, I.D. No. 319157.


The Historical Society of Ottawa (HSO) is Ottawa’s oldest historical organization.The principal aim of the Society is to increase public knowledge of the history of Ottawa and the surrounding region through meetings, tours, awards, publications, and sponsored research.

Historical Society Articles

  • Blog Announcement

    27 November 2023 Society News
    The Historical Society of Ottawa is excited to announce we’re launching a blog! Are you a historian, heritage professional, or member of the public who is actively engaged in historical research related to the Ottawa area, who is interested in sharing your research? While you may be familiar with our…
  • Phyllis Turner Ross

    8 November 2023 Speakers Presentations
    We were fortunate to have two guest presenters for our Zoom speaker session of October 25, 2023. Paul Litt, an author and Professor of Public History at Carleton University, (cross-appointed to the School of Indigenous and Canadian Studies), met with us live via Zoom while Brenda Norris, daughter of Phyllis…
  • Animal Tales of Ottawa

    24 October 2023 Speakers Presentations
    Randy Boswell, noted journalist, educator, researcher and frequent presenter for the Historical Society of Ottawa was our guest speaker at our in-person session of October 21, 2023, hosted again by the Main Branch of the Ottawa Public Library. Randy, who estimates that he has written some 400 – 500 animal…
  • Chief Pinesi and his Pursuit of Justice

    23 October 2023 Speakers Presentations
    Our first virtual speaker session of the year was held on September 27, 2023, and featured a pre-recorded presentation by Jim Stone, supported by Merv Sarazin who introduced Jim and remained with the presentation to answer questions and provide additional background. Jim, a retired Foreign Service officer and amateur historian,…
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Upcoming Events

Jan 10 2024
7:00PM - Online via Zoom

Songs & Stories of Ottawa's Past

Paul Weber

Jan 27 2024
1:00PM - Ottawa Public Library, Main Branch Auditorium

Ottawa's Shoreline ... Built from Garbage?

Dave Allston

Feb 7 2024
7:00PM - Online via Zoom

The History of Ottawa's Caribbean Community

Dave Tulloch

Special Event

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Ottawa Stories

Ottawa has an interesting and varied history.
Enjoy stories from this month in history or discover other Ottawa stories.

old house

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