Col. Edward Lloyd III (1711-1770) was of a prominent Maryland family and one of a long line of Edward Lloyds of Wye House, Talbot County, Md. He was married in 1739 to Anne Rousby of Patuxent, Md. He had been a member of the Maryland General Assembly, a member of the council, and receiver general of the province. He was in ill health at the time of this visit and died a few months later. His daughter Elizabeth had been married the previous year to John Cadwalader (1742–1786), of Philadelphia.

Mrs. Dalton is the wife of Capt. John Dalton of Alexandria and the daughter of Thomas Shaw (d. 1777). Miss Terret is probably a daughter of William Henry Terret (d. 1758), of Fairfax County, an original member of the Fairfax County court in 1742 and clerk of the Truro Parish vestry 1745–55.