See quotation.
1782. It was indeed by the name of Bostonian that all Americans were known in France then. The war having broken out in Boston, and the first great battle fought in its neighbourhood, gave to that name universal celebrity . Coffee-houses took that name, and a game invented at that time, played with cards, was called Boston, and is to this day (1830) exceedingly fashionable at Paris by that appellation.Recollections of Samuel Breck, Phila., p. 54.