This building in Queenston was the home for the Colonial Advocate, a reformer newspaper which was an early enterprise of William Lyon MacKenzie after he immigrated to Canada from Scotland
Mackenzie is a famous and controversial figure in Upper Canada prior to the establishment of present day Canada. He was often elected to various levels of government and almost as often, thrown out of office by the upper class powers who ran the colony. At one point he became Toronto’s first mayor.
After becoming an organizer of the failed Upper Canada Rebellion which advocated separation from Britain, he fled to the U.S. This was not the end of his political adventures and you can read more in the Wikipedia article on William Lyon MacKenzie.
All Images are Available for Licensing at Singular Video&Pix