John I. De Graff
De Graff was elected as a Jacksonian to the Twentieth Congress (March 4, 1827 – March 3, 1829). He served as mayor of Schenectady 1832–1834 and again in 1836.
De Graff was elected as a Democrat to the Twenty-fifth Congress (March 4, 1837 – March 3, 1839). He was not a candidate for renomination. He engaged in mercantile pursuits. He was interested in the building of the Mohawk & Hudson Railroad. He again served as mayor of Schenectady in 1842 and 1845. He engaged in banking until his death in Schenectady, New York, July 26, 1848. He was interred in Vale Cemetery.
|United States House of Representatives|
|Member of the U.S. House of Representatives
from New York
This article incorporates public domain material from websites or documents of the Biographical Directory of the United States Congress.