He was the son of Congressman
John Nicholas (1764–1819). The family removed from
Williamsburg, Virginia to
Geneva, New York in 1803. He married Mary S. Rose (1809–1837), daughter of Congressman
Robert S. Rose (1774–1835). He was an
Anti-Masonic member of the
New York State Assembly (Ontario Co.) in
1828,
1829,
1830 and
1832. He was a
Whig member of the
New York State Senate (7th D.) from 1839 to 1842, sitting in the
62nd,
63rd,
64th and
65th New York State Legislatures. He was a delegate to the
New York State Constitutional Convention of 1846. He and his wife were buried at the Pulteney Street Cemetery in Geneva. Judge
Robert C. Nicholas (1729–1780) was his grandfather; U.S. Senator
Robert C. Nicholas (1793–1857) was his first cousin; Kentucky Attorney General
George Nicholas (c. 1754–1799) and Governor
Wilson Cary Nicholas (1761–1820) were his uncles; Congressman
Robert L. Rose (1804–1877) was his brother-in-law. ==Sources==