I don't know how or if this fits your query but I found the following will and information in Mecklenburg County, NC.
Mecklenburg County NC Will Bk. F,223 19 April 1781, proven April 1781 Will of Joseph Wallace Wie Margery Sons, William, Edward & Samuel Daughter Elizabeth and Ann Major James Barr & Margery, my wife exrs. till such time as my son Will do arrive at the age of 21. 19 Feb 1781 Wit:John Torrence Edward Pharr Ann Morton
Mecklenburg County Court Session April 1781 The last will and testament of Joseph Wallace, deceased was proved in open court by the oath of Edwd. Farr and Evidence thereto ordered that letters Testamentry issue to Margery Wallace widow and Relict & to James Barr, executor nominated in said Will
Joseph Wallace was a blacksmith John Morton was an apprentice of Joseph Wallace Mary Wallace, her part of father's estate, Sept. 1784 Ann Morton for my 1/3 of the land estate left in the hands of Joseph Wallace, decs.
Book acct of Joseph Wallace John Wilson, David Wilson, Joseph Wilson, James Wilson, Stephen Alexander, John Sloan, Ephraim Farr Jr. Sale of Joseph Wallace, April 1782 James Wilson, Stephen Alexander, Edward Pharr, Epraim Pharr, Joseph Wilson
Paid David Wilson 1/2 bushel sale, 7 Aug 1784
Estate of Joseph Wallace, desc. (image 48) Debor to Joseph Wallace 1778 to dressing two deer skins and one days work 1779 Dressing five deer skins Total 1.0.1 Joseph Wilson made oath on debt being rightful. 30 Mar 1781
I believe this Joseph Wallace was married to Margery Pharr, the daughter of Edward Pharr, and her husband's death occurred before Edward Pharr migrated to Wilkes Co. GA.
I am interested in the WILSONS who married into the Pharr/Farr families.