This is a pretty Scottish air. It has both a folk sound and an eighteenth-century sound to it, and appears in many versions (both instrumental and vocal). I first discovered it while cataloging it in a musical commonplace book at Harvard’s musical special collections library (from around 1790-1810).
Re: The Yellow Haired Laddie
I remember the late great Tony Cuffe playing this on clarsach - here it is on "Youtube".