John Isaac De Graff (October 2, 1783 – July 26, 1848) was a U.S. Representative from New York. Born in Schenectady, De Graff attended the common schools and Union College and engaged in mercantile pursuits and the practice of law in that city.
He served in the War of 1812 and was elected as a Jacksonian Democrat to the Twentieth Congress (March 4, 1827 – March 3, 1829). [Read more…] about John Isaac DeGraff: Schenectady’s First Elected Mayor