Here's the version I've heard:
"That ever there could be such a longing,
In this part of a poor maiden's breast,
For you know that my heart will be breaking,
As you take the long trai to the West."
"Come and sit by my side, if you love me.
Do not hasten to bid me Adieu.
Remember the bright Mohawk valley,
And the maid who has loved you so true."
The context was the Loyalists, the Tories loyal to King George, leaving the German Flats area in New York, after the Declaration of American Independence and @ a year before the battle at nearby Oriskany. Likely a very young English Colonial Tory leaving an Indian girl; heading west towards Niagra and ultimately Canada.