I descend from William Gosnell, b. 1660 (Anne Arundel Co., MD), through Hannah Gosnell CROSS and William Gosnell (who married Elizabeth), both children of William Gosnell II. Hannah Gosnell had Benjamin Buckingham (who may have been son of Robert Cross).
William Gosnell and Elizabeth had Avarilla Gosnell.
Benjamin and Avarilla Gosnell Buckingham had Hannah Buckingham who married, 8 Aug 1778, Samuel Leatherwood III.
Their son John (1782-185?) was born and lived near Mt. Airy, Frederick, now Carroll, MD. He married ?, Elizabeth Gillis, and Elizabeth Cushing (Cushen).