Just came across your post and will provide some information on John Leod McDonad my great grandfather.
Post Office and Postmasters-National Archives of Canada show John Leod was appointed postmaster for Stony Plain, Northwest Territories on June 1, 1893 and he resigned from the position on April 28, 1903.
Burial Place: Pioneer Cemetery, Spruce Grove, Alberta,Canada block 112 plot 3 west
Parents name were Alexander (1816-1888)and Christine MacLeod (1819-1861)
Married Mary Ann Kay Watt and they had 4 children; when Mary Ann died he later married Jannett Watt, full sister of Mary Ann and they also had 4 children.
John Leod was born October 22, 1853, Brookfield, Prince Edward Island, Canada
Hope the information is helpful.