The 2nd Alberta Legislative Assembly was in session from March 23, 1909, to April 17, 1913, with the membership of the assembly determined by the results of the 1909 Alberta general election which was held on March 22, 1909. The Legislature officially resumed on March 23, 1909, and continued until the fourth session was prorogued and dissolved on March 25, 1913, prior to the 1913 Alberta general election. The total number of seats in the assembly was increased from 25 contested in the 1905 election to 41.