‘Had I the Wate she Bade me’ (as mentioned in the International Piper ), from Oswald’s Caledonian Pocket Companion, Book 8 p. 20 (c. 1760); The song is number 415, in Vol. 5 of the Scots Musical Museum:

Had I the wyte, had I the wyte, Had I the wyte she bad me (three times)

She watch’d me by the hiegateside,

An up the loan she shaw’d me