Alexander Duncan (politician)
Alexander Duncan was a U.S. Representative from Ohio.
Born in Bottle Hill, Morris County, New Jersey, Duncan studied and practiced medicine. He moved to Ohio and settled in Cincinnati. He served as member of the Ohio House of Representatives in 1828, 1829, 1831, and 1832. He served in the Ohio Senate 1832–1834.
Duncan was elected as a Democrat to the Twenty-fifth and Twenty-sixth Congresses.
He was an unsuccessful candidate for reelection in 1840 to the Twenty-seventh Congress but came back to win a seat in the Twenty-eighth Congress. He did not run in 1844 for reelection to the Twenty-ninth Congress but instead resumed the practice of his profession.
He died in Madisonville, Hamilton County, Ohio, March 23, 1853, and is interred in Laurel Cemetery.