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

  • Ottawa's Caribbean Community

    1 March 2024 Speakers Presentations
    On February 7, 2024, the Historical Society of Ottawa was pleased to feature Dave Tulloch on our Zoom Speaker series, who spoke to us about the history of Ottawa’s Caribbean Community. Dave came to Ottawa from Jamaica as a student in 1970, graduating from Algonquin College, the University of Ottawa,…
  • Dave Allson: Ottawa’s Shoreline - Built from Garbage

    11 February 2024 Speakers Presentations
    Dave Allston is a ‘trash talker’. Specifically, on the afternoon of Saturday, January 27, 2024, he talked to the Historical Society of Ottawa at our first in-person presentation of 2024 on how the Ottawa River shoreline was reshaped during the early 1960s using garbage. Dave is the senior asset manager…
  • Educational Resource List

    10 February 2024 Society News
    In 2023 we asked ourselves the question – are there ways the Historical Society of Ottawa can be of assistance to teachers who would like to expand their students knowledge of the Ottawa area’s local history? To that end, we have assembled an “Educational Resource List” and have made it…
  • Tea with Adrienne Clarkson

    23 January 2024 Society News
    In January 2024, Andrea Bissonnette, Ben Weiss and myself had an extraordinary experience—the opportunity to sit down with Madame Adrienne Clarkson at the Château Laurier Hotel to have tea and chat about her past and Ottawa history more generally. For those who might need a reminder, after a stellar career…
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Upcoming Events

Mar 13 2024
7:00PM - Online via Zoom

Who Lived Here?

Richard Collins

Mar 23 2024
1:00PM - Ottawa Public Library, Main Branch Auditorium

Ottawa's Women On Ice

James Powell

Apr 10 2024
7:00PM - Online via Zoom

Paupers, Peddlers, Purveyors & Parishioners

David C. Martin

Special Event



1:00 pm - 3:00 pm

Ottawa Stories

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

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