[1] The forty-room castle featured the latest conveniences of the day, including gas lighting and running water.

Camilla, Queen of Canada, a descendant of Sir Allan MacNab, is the Royal Patron of Dundurn Castle.

[3] Sir Allan MacNab purchased the property from Richard Beasley, one of Hamilton's early settlers, who was forced by financial difficulties to sell lands at Burlington Heights (now Dundurn Park).

[5] MacNab, later Premier of the Province of Canada between 1854 and 1856, hired architect Robert Wetherall and construction of this stately home was completed in 1835.

[6] After MacNab's death, the estate was used as an institution for the deaf and was purchased in 1872 by Donald McInnes, who sold Dundurn to the City of Hamilton in 1899.

In the late 1960s, Dundurn Castle was restored as a Centennial project and is now designated as a National Historic Site of Canada.

Living up to its purpose, it had confused some people who had considered it a theatre, a laundry, a boat-house, a buttery, an office, a chapel for Sir Allan's Roman Catholic wife, or even a cockfighting ring,[8] but no proof of the last use has ever been found.

A 360-degree curved plaque was unveiled at Fieldcote Museum in Ancaster on July 20, 2014, marking the 200th anniversary of the most important and largest mass hanging in Canadian history, the execution of nine men convicted of treason during the War of 1812.

The men were taken from York (now Toronto), the capital of Upper Canada, and executed near present-day Inchbury Street at the eastern end of Dundurn Park.