Ancient and noble French family names, Jacques, Jacq, or James are believed to originate from the Middle Ages in the historic northwest Brittany region in France, and have since spread around the world over the centuries. To date, there are over one hundred identified noble families related to the surname by the Nobility & Gentry of Great Britain & Ireland. Origins. The origin of this surname comes from the Latin 'Iacobus', which is associated with an unknown progenitor. . Ancient history.
https://en.wikipedia.org/wiki/Jacques