Margaret Thomson kindly provided the following information and photographs.
Janet Niven, my Granny, came to Blairmore to be cook in 1902, married my Granda George Milne, who was the gamekeeper at Blairmore, in 1905 and spent most of their married life (63 years) at Waterside of Blairmore.
Photo from 1903 (click to enlarge)
Back of photo says –
“Invermarkie House, 1903” then later added “at Home Farm, by School, Glass, Janet Niven on right.
Waterside of Blairmore, summer- 1958