The Bodleian broadside collection has these variants:
AN ADMIRED SONG CALLED BOCHAL ROW! 2806 c.15(81)
AN ADMIRED SONG CALLED BOCHAL ROW! Harding B 19(25)
THE BOCHAL ROW 2806 b.9(281)
THE BOUGHAL ROE 2806 c.8(299)
MY BOUGHEL ROE Firth b.27(222)
MY BOUGHEL-RO Harding B 17(204a)
MY BOUGHLE-ROE 2806 c.14(79)