8th Batt. Seaforth Highlanders He is remembered with honour on the Arras Memorial, the Scottish National Memorial, Park Church memorial and Helensburgh War Memorial, Column 4 Line 17.
The family home was at 28, West Clyde Street, Helensburgh. The son of Murdoch and Rachael MacKay. Siblings: Murdo has three sisters, Peggy, Jeannie and Annie. He also had an older half brother, Robert Duncan (draper).