North Briton - Origin

Origin

North Britain as a descriptive term for northern Great Britain emerged following the Union of the Crowns in 1603. It was used by King James VI & I in the form of "South Britain" and "North Britain" for England and Scotland respectively, most famously in his Proclamation of 1606 establishing the first Union Flag, where Scotland and England are not otherwise named:

"Whereas some difference has a risen between our Subjects of South and North Britain, Travelling by Sea, about the bearing of their flags"

In 1707, the Royal Scots Greys were renamed the "Royal North British Dragoons". In Rob Roy (1817), Sir Walter Scott refers to a Scottish person in England as a North Briton, sometimes in the mouth of an English character but also in the authorial voice.

"Why, a Scotch sort of a gentleman, as I said before," returned mine host; "they are all gentle, ye mun know, though they ha' narra shirt to back; but this is a decentish hallion—a canny North Briton as e'er cross'd Berwick Bridge — I trow he's a dealer in cattle." —Scott, Rob Roy