The 64th New York State Legislature, consisting of the New York State Senate and the New York State Assembly, met from January 5 to May 25, 1841, during the third year of William H. Seward's governorship, in Albany.

The 63rd New York State Legislature, consisting of the New York State Senate and the New York State Assembly, met from January 7 to May 14, 1840, during the second year of William H. Seward's governorship, in Albany.