This research is based on the people who appear in the Property Database on Bygone Bungo, in this case the entry for 7 Moray Place, which helps give the following context. You can explore further from the Address or Person Search in the main menu.
John Hamilton Glassford was the first occupant of 7 Moray Place, being there around 1862-3, but gone by 1865.
He was born in 1827 in Glasgow to Alexander Glassford and Catherine McDonald, the fifth of ten children. His great grandfather George was the elder brother of John Glassford of Dougalston, the (in)famous Glasgow tobacco lord and slave owner, after whom Glassford Street was named.