Hello, Lisa.

I agree with Robert Hendry that the will would belong to his great-great-uncle William Christian, Balllakey (modern spelling Ballakeigh). The wife Margaret that he mentions was also a Christian, from Ballaherd, Bride. She was a first cousin of my great-grandmother Allen, nee Joughin. You would not be descended from Willliam and Margaret, because the only Lisa among their descendants as far as I know is now Mrs. Corkish, not Mrs. Lyons. You might be more distanly related, of course.