John McKenzie House with Banner and OHS logo

Founded in 1888, The Ontario Historical Society is a non-profit corporation and registered charity; a non-government group bringing together people of all ages, all walks of life and all cultural backgrounds interested in preserving some aspect of Ontario's history.


The OHS has a provincial mandate, but its headquarters is located at the historic John McKenzie House (built 1913) in Willowdale, Ontario. 

John McKenzie House, and its adjacent stables and milk-house are all designated under the Ontario Heritage Act. The OHS is is governed by an all-volunteer board of directors, and is supported by and supports its vast network of member individuals, organizations and institutions, including the OHS's 350+ affiliated societies.

Choose one of the options at right to learn more about The Ontario Historical Society.

HISTORIC JOHN MCKENZIE HOUSE

34 Parkview Avenue
Willowdale, Ontario, M2N 3Y2

P. 416-226-9011 | F. 416-226-2740

Toll-free: 1-866-955-2755
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