Hi Alan
This looks a possible entry for the family in the 1901 census:
Donald McNab 36, coachman, b. Glassary, Argyllsh 
Catherine McNab 34, b. Kirkhill, Invernesssh 
Alexander McNab 5, b. Glassary, Argyllsh 
John M McNab 3, b. Glassary, Argyllsh 
Catherine F McNab 2, b. Glassary, Argyllsh 
Address: Minard Castle Stables, Kilmichael Glassary, Argyll
Monica  
