The following data is extracted from Todd Family Genealogy .
David Todd6, (Asa5, Gershom4, Gershom3, Michael2, Christopher1) born Aug. 22, 1787, died Sept. 19, 1871, married Mary Rowe. They lived for many years in West Chesterfield, Mass., near the home of his father. Later on they removed to Maryland, where they are supposed to have died.
954. Menerva, m. L. Richards.
955. Mary, m. Chauncey Weston, she d. Jan. 5, 1889, at Laurel, Maryland. A newspaper clipping says that she was the last surviving member of the late David Todd's family.
Source: Todd Family Genealogy