Illinois: History of Cass County, Illinois, ed. William Henry Perrin. O. L. Baskin & Co. Historical Publishers, Chicago, 1882. Cass County. DR. DAVID WHITNEY, retired dentist, Beardstown; was born in Franklin County, Mass., Jan 29, 1803, and was educated in Conway, his native town. At twenty-two years of age, he began the study of medicine, and graduated from the Pittsfield College, in 1831. In 1832, he removed to western New York, practiced his profession six years, and then moved to Indiana, where, his health failing, he relinquished medicine partly, and practiced dentistry till 1856, when he removed to Beardstown, where he has since remained, having practiced dentistry for twenty years; during the last six years, however, he has retired from active practice. In 1826, he married Miss Elizabeth S. Granger, of North Hadley, Mass., and seven children were born to them, three of whom are dead. Those living are: Cornelia, Mrs. Wallsworth, Ellen, Benjamin R., civil engineer, David V., physician. For many years Mrs. Whitney has made a study of geology and archaeology, and has one of the finest collections of fossils and prehistoric implements in the State. The Doctor is a Baptist, and Mrs. Whitney is a Congregationalist. Whitney Granger Wallsworth = Franklin-MA NY IN