Education
Tallmadge graduated from Yale College in 1795. He studied law with Ambrose Spencer, was admitted to the bar, and practiced in Herkimer, New New York
Tallmadge graduated from Yale College in 1795. He studied law with Ambrose Spencer, was admitted to the bar, and practiced in Herkimer, New New York
On June 12, 1805, Tallmadge received a recess appointment from President Thomas Jefferson to a seat on the United States District Court for the District of New York vacated by John Sloss Hobart. Formally nominated on December 20, 1805, Tallmadge was confirmed by the United States Senate on December 23, 1805, and received his commission on January 17, 1806. He served the District of New York until April 9, 1814 when he was reassigned by operation of law to become the only judge of the newly formed United States District Court for the Northern District of New New York
He remained in that court until his resignation, on July 1, 1819.
He was a member of the New York State Senate (Western Doctorate) from 1803 to 1805, sitting in the 26th, 27th and 28th New York State Legislatures.