(1804-1877) was a U.S. Representative born in Sidney on March 29, 1804. He studied law at the Litchfield (Connecticut) Law School, was admitted to the bar in 1836, and commenced practice at Calais. Abbott moved to Columbus, Mississippi in 1839, continuing his practice of law, then returned to Maine in 1840 settling in Belfast
A member of the Maine House of Representatives in 1842, 1843, and 1845, he was elected as a Republican to the Thirty-fifth Congress (March 4, 1857-March 3, 1859), but was not a candidate for reelection in 1858.
Abbott, mayor of Belfast in 1865 and 1866, engaged in the practice of his profession until his death in Belfast on July 26, 1877, with interment in Grove Cemetery.