He assisted in the establishment of the
Utica Public Library, of which he was
librarian for a number of years. He was president of the village corporation and president of the
Manhattan Bank. He was district attorney for the sixth district from 1801 to 1813. He was elected as a
Democratic-Republican to the
Ninth United States Congress, holding office from March 4, 1805, to March 3, 1807. During the
War of 1812 he used his influence and legal skills to uphold the cause of the government, and ultimately left his law practice and to march with a company of volunteers to Sacket's Harbor, then under command of his brother-in-law, General Jacob Brown, where Williams became a major in the company. Williams was a Regent of the
University of the State of New York from January 28, 1817, to February 13, 1824; was also a member of the
New York State Assembly (Oneida Co.) in
1818; and was District Attorney of
Oneida County from 1818 to 1821. He was a delegate to the
New York State Constitutional Convention of 1821. He was Judge of the
Fifth Circuit Court from 1823 to 1834. He was appointed a clerk of the
New York Supreme Court in 1834 and moved to
Geneva,
Ontario County. He was at one period counsel for the
Oneida Indians, and the epithet they gave him does honor to the man, while revealing the justice of their discrimination; in their tongue he was the " Upright Friend." == Death ==