Richard Sprigg (1739-1798) was a wealthy planter whose home, "Strawberry Hill," was located in Anne Arundel County, Maryland. Sprigg and his wife Margaret Caile had at least five daughters: Sophia, Rebecca, Elizabeth, Henrietta, and Margaret. Sophia (1766-1812) married John Francis Mercer (1759-1821), a Revolutionary War hero, a U.S. Congressman, and governor of Maryland. The Mercer's daughter Margaret (1791-1846) was an anti-slavery reformer and educator.
From the description of Account book, 1767-1795. (Winterthur Library). WorldCat record id: 261233595