Margaret Bruce was born in December 1716, in Portsoy, Banffshire, Scotland as the daughter of John Bruce and Issobell Horn. She married Alexander McKenzie on 20 October 1738, in Fordyce, Banffshire, Scotland. They were the parents of at least 1 son and 4 daughters.
Scottish (of Norman origin): habitational name from a place in Normandy, probably from Brix (La Manche).
Altered form of French Brousse .
History: The son of the Domesday baron, a friend of David I of Scotland, was granted by him the Lordship of Annandale in 1124, and his second son Robert became the founder of the Scottish house of Bruce. — This surname (see 2 above) is listed along with its original form Brousse in the (US) National Huguenot Society's register of qualified Huguenot ancestors.