the Duke and Duchess of Fife (the Prince of Wales's daughter Princess Louise) for the new (3rd) Mar Lodge (1895) and St Ninian's Chapel, Braemar. Personal life Mackenzie married Phoebe Ann Robertson Cooper, the only daughter of Elgin lawyer, Alexander Cooper, of Cooper & Wink. She was a granddaughter of General George Duncan Robertson, head of the Clan Robertson. Their eldest son, Alexander George Robertson Mackenzie, was also a prominent architect. A younger son, Gilbert Marshall Mackenzie (1890 or 1891 – 21 April 1916), also an architect, was called up and commissioned in the Seaforth Highlanders, and was killed in action near Kut. Alexander Marshall Mackenzie continued working until within a week of his death on 4 May 1933. Honours Mackenzie was elected RSA Associate in 1893, and admitted into FRIBA in 1896. He received an honorary LL.D. in 1906, marking the final completion of the Marischal College extension scheme. References Alumni of the University of Aberdeen 1848 births 1933 deaths People from Elgin, Moray Architects from Aberdeen Fellows of the Royal Institute of British Architects