An aerial photograph from 1961 in the Toronto City Archives depicts the Duke Street site. Notice how heavily industrialized the street and property had become.
1961 Aerial Photograph orientated as a map, with the top being north
Source:
1961 Photo – City of Toronto (https://www1.toronto.ca/wps/portal/contentonly?vgnextoid=1b7bf931ff35e410VgnVCM10000071d60f89RCRD)
Stayner was one of sixteen children born to Thomas Allen Stayner, the controversial former Postmaster General of Upper and Lower Canada. He appears in City Directories between 1867 and 1875. Stayner, like Gordon before him, was a notable figure in town and was involved with several charitable and fraternal organizations. The town of Stayner, Ontario is named after his family.
Sources:
Directory – Toronto Public Library (http://www.torontopubliclibrary.ca/detail.jsp?Entt=RDMDC-1358099&R=DC-1358099; http://www.torontopubliclibrary.ca/detail.jsp?R=DC-1316821003)
Biography – Dictionary of Canadian Biography, Thomas Allen Stayner (http://www.biographi.ca/en/bio/stayner_thomas_allen_9E.html)
Stayner Town Name – Stayner Bicentennial Book Committee – Palaces and People: A History of Stayner – 1984
An 11 October 1843 edition of the Toronto Examiner has an ad placed on 28 September announcing the formation of a partnership between Terence J. O’Neill and Peter J. O’Neill. The O’Neill Brothers later acquired the Lady Campbell’s Duke Street property.