29. Rid to the Mill Plantation the Mill, and Doeg Run—also to the Meadow at the Mill. Mrs. Cox came here. Captn. Posey & Daughter went over to Mary[lan]d.
Mrs. Cox may be Elizabeth Cox (d. 1792), wife of Presley Cox of Fairfax County. She was at Mount Vernon “making and altering Gowns for Mrs. Washington [and] Miss Custis” (LEDGER B description begins Manuscript Ledger Book 2, 1772-93, in George Washington Papers, Library of Congress. description ends , 55).