Background
He was the son of Doctor Thaddeus Mather (1778–1854) and Sarah (Parker) Mather.
politician member of the New York State Senate
He was the son of Doctor Thaddeus Mather (1778–1854) and Sarah (Parker) Mather.
In 1853, he was the first person tried by the New York Court for the Trial of Impeachments. At the New York state election, 1847, he ran for Canal Commissioner on the Democratic and Anti-Rent tickets, but was defeated. At the New York state election, 1850, he ran again, on the Democratic ticket, and was elected, remaining in office from 1851 to 1853.
In July 1853, he was impeached by the New York State Assembly, but was acquitted by the Court for the Trial of Impeachments.
At the New York state election, 1853, he ran for re-election on the Hard ticket, but was defeated by Whig Cornelius Gardinier.
He was a member of the New York State Senate (4th Doctorate) in 1858 and 1859.