Connecticut Historical Society
NILES, John Milton (1787-1856)
Senate Years of Service: 1835-1837; 1837-1839; 1843-1849

NILES, JOHN MILTON, a Senator from Connecticut; born in Windsor, Hartford County, Conn., August 20, 1787; completed preparatory studies; studied law; admitted to the bar in 1817 and commenced practice in Hartford, Conn.; established and edited the Hartford Weekly Times in 1817; associate judge of Hartford County Court 1821-1826; member, State house of representatives 1826; unsuccessful candidate for the United States Senate in 1827; postmaster of Hartford 1829-1836; appointed in 1835 as a Democrat to the United States Senate to fill the vacancy caused by the death of Nathan Smith; subsequently elected and served from December 21, 1835, to March 3, 1839; was not a candidate for renomination in 1838; chairman, Committee on Manufactures (Twenty-fourth and Twenty-fifth Congresses); unsuccessful candidate for Governor of Connecticut in 1839 and 1840; Postmaster General in the Cabinet of President Martin Van Buren in 1840 and 1841; again elected to the United States Senate in 1843, but illness prevented him from attending the Senate until April 30, 1844, and a credentials challenge prevented him from taking the oath of office until May 16, 1844, when the challenge was resolved; served from March 4, 1843, to March 3, 1849; was not a candidate for reelection; chairman, Committee to Audit and Control the Contingent Expenses (Twenty-ninth Congress), Committee on Post Office and Post Roads (Twenty-ninth and Thirtieth Congresses); author; died in Hartford, Conn., May 31, 1856; interment in Old North Cemetery.

Austin History Center
Austin, TX
Papers: In the Pease-Graham-Niles family papers, 1685-1956. Finding aid.

Boston Public Library
Boston, MA
Papers: 1 item.

Connecticut Historical Society
Hartford, CT
Papers: 1 ambrotype.

Library of Congress
Manuscript Division
Washington, DC
Papers: 1 letter (1831); and 2 boxes in Gideon Welles papers.

New York State Library
Manuscripts and Special Collections
Albany, NY
Papers: In Autographs of American Authors and Statesmen collection, ca. 1770-1865.

University of Iowa Libraries
Special Collections Department
Iowa City, IA
Papers: September 28, [1842]. 1 letter. From George Bancroft concerning borrowing papers and political maneuvering.

Xavier University
McDonald Memorial Library
Cincinnati, OH
Papers: 1 letter (1836) in Moses Dawson Collection of Political Letters of the Jackson Period, 1811-1845. Also on microfilm.

Yale University Libraries
Manuscripts and Archives
New Haven, CT
Papers: In Benajah Ticknor papers, 1818-1852. Available on 3 microfilm reels.

  • Niles, John Milton. The Connecticut Civil Officer. Hartford: Huntington & Hopkins, 1823.
  • ___. A Gazetteer of the States of Connecticut and Rhode-Island. Hartford: William S. Marsh, 1819.
  • ___. History of South America and Mexico: Comprising Their Discovery, Geography, Politics, Commerce and Revolutions. 2 vols. Hartford: H. Huntington, Jr., 1838.
  • ___. The Life of Oliver Hazard Perry. Hartford: W.S. Marsh, 1820.
  • ___. A View of South America and Mexico, Comprising Their History, the Political Condition, Geography, Agriculture, Commerce, & c. of the Republics of Mexico, Guatemala, Columbia, Peru, the United Provinces of South America and Chile, with a Complete History of the Revolution, in Each of These Independent States. 2 vols. New York: H. Huntington, Jr., 1826.