Martin Thomas McMahon was an American jurist and a Union Army officer during the American Civil War. He was awarded the United States military's highest decoration, the Medal of Honor, for his actions at the Battle of White Oak Swamp. After the war, he held various legal and judicial positions in the state of New York. He briefly served as the Minister Resident to Paraguay and was a New York State Senator for four years.

The 115th New York State Legislature, consisting of the New York State Senate and the New York State Assembly, met from January 5 to April 26, 1892, during the first year of Roswell P. Flower's governorship, in Albany.