Farmers market. Facebook group members from Niagara History & Trivia have identified the accordian player as Mr. Zimmerman, and the white-haired woman with the white shirt in the background as Maria Saczkowski.
The Acacia trees in the foreground were planted by Mackenzie himself in 1824 and are still growing. It was here that the first issue of the Colonial Advocate was printed on May 18, 1824