Archibald Butter was the son of John Butter, Factor of the Clanranald Uist Estate. Archibald and his family are understood to have left Benbecula and settled in or near Glenelg township, Ontario.
John Butter was himself a son of Henry Butter of Faskally
in Perthshire. For more on the Butter ancestry see
http://www.visitdunkeld.com/old-moulin-families.htm.