PO Box 523, Station B,
Ottawa, ON, K1P 5P6

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

  • Paul Couvrette and the Karsh Brothers

    17 May 2024 Speakers Presentations
    A record crowd of 130 came to hear Paul Couvrette’s Historical Society of Ottawa presentation on the Karsh brothers which was held at the Main Branch of the Ottawa Public Library on the afternoon of April 27, 2024. Paul, a celebrated Ottawa photographer, was both a professional colleague and family…
  • A Winnipeg Boy’s Imaginings

    5 May 2024 Society News
    HSO is pleased to showcase the writings of Barry Padolsky, architect, urban designer, heritage advocate, and Winnipeg native. From Barry himself, an introduction to this venture: Friends and colleagues, I am pleased to share “A Winnipeg Boy’s Imaginings” (2021) , “Shoreline Poems”(2022) and “Alphabet Soup” (2024) , a collection of…
  • How Immigration Has Shaped Ottawa’s Cultural Mosaic - Part III

    1 May 2024 Speakers Presentations
    Another good crowd gathered at the Sunnyside Branch of the Ottawa Public Library on Saturday, April 20, 2024 to listen to the third and regrettably final installment of Phil Jenkins’ lecture series on four immigrant groups in Ottawa. In this session, Phil completed his discussion of the Chinese community and…
  • Ottawa’s Landmark Homes

    30 April 2024 Speakers Presentations
    Ottawa is one big graveyard! Cemeteries are peaceful. Some like to stroll among the dearly departed to get away from the noise and chatter of daily life. Historians, on the other hand walk among the graves hoping that the tombstones will tell a story of those below. I feel the…
See all articles

Upcoming Events

Jun 25 2024
Evening Series
Online via Zoom

HSO Annual General Meeting

Jul 1 2024
Special Events
All Day
Stanley Park, New Edinburgh, Ottawa

Chief Pinesi Day - Volunteer Opportunity

Sep 11 2024
Evening Series
Online via Zoom

The History of Firefighting Early Bytown to Modern Ottawa

Peter McBride

Sep 28 2024
Afternoon Series
Ottawa Public Library, Main Branch Auditorium

Striking Moments of Solidarity in the Chaudière District

Brian McDougall

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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