Humphrey Peake (1733–1785), who inherited Willow Spring from his father, William Peake (d. 1761), was a neighbor and fox-hunting companion of GW and a frequent visitor to Mount Vernon.

Augustus Darrell (d. 1777) of Fairfax County, a son of Sampson Darrell, married about 1771 Sarah McCarty Johnston, widow of George Johnston of Belvale and sister of Daniel McCarty of Mount Air (General Ledger A description begins General Ledger A, 1750–1772. Library of Congress, George Washington Papers, Series 5, Financial Papers. description ends , folio 300).