Family talk:Andrew Falls and Sarah Neill (3)

According to my database, Andrew Falls married Sarah Neill, daughter of Andrew Neill. In searching several genealogical databases, most seem to agree with this. In addition, Sarah Neill, daughter of Andrew Neill is refered to as "SARAH FALLS" in Andrew Fall's will as presented below:

Will of Andrew Neill (1725-1812)

Records — Iredell County 

Andrew Neill's Will — Microfilm Reel #1465—66 p.339 I, Andrew Neill, do on this 25th day of February, 1808 make and publish this my last will and testament in the manner following: 1st. After paying all my Just debts and funeral expenses which I allow to be done in a decent christian-like way. 2nd. 1 will and bequeath to my son William Neill the plantation where I now live myself — likewise my negro man {?} and the said William Neill paying to my daughter SARAH FALLS, two hundred dollars after my death. 3rd. I will and bequeath to my son Gllbraith during his lifetime 200 acres of land off the east end of what is called the "big Meadow" tract — likewise my negro man Peet, I will to said Gllbraith during his lifetime. Then the whole to be sold and equally divided among said Gilbraith’s sons, excepting his son John Neill, which I allow no part of the above to. 4th. I will and bequeath to my grandson, John Neill who now lives with me, the remainder of what is called the "big Meadow" tract —the same more or less, likewise I will to said John my negro man, Aaron 5th. I will and bequeath to my grandson, Andrew Neill, son of Gilbraith Neill, a tract of land known as the "Galliland tract." 6th, 1 will to my qranddaughter, Rosannah Alison, that lives with me a young man about thirty years old. 7th. I will and bequeath to my daughter, Jean Kerr, my negro boy, Caesar 8th, I will and bequeath to my daughter, Esther Donalson, my negro woman, Rachel The said Esther paying one hundred dollars to my daughter, Sarah Falls, one year after my decease. It is my will that the residue of my estate be sold on a reasonable credit by my executors and equally divided among the whole of my children and I hereby make and ordain my two beloved sons, William and Gilbraith: as executors. David Horton, Jurat. Signed Robt. Cooke, Wit Andrew Neill

Source: http://www.emilyabrown.com/oldwebpage/willandrew.htm

Would appreciate any proof to indicate that Sarah McLean married Andrew Falls, instead of Sarah Neill, which I assumed had been commonly accepted by most researchers.

Thanks:)