John Bruce was born in Aberdeen, Aberdeenshire, Scotland as the son of James Robert Brewis Bruce and Tabitha Margaret Mustain. He married Issobell Horn on 15 October 1697, in Rothiemay, Banffshire, Scotland. They were the parents of at least 5 sons and 6 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.