The59th Illinois General Assembly met from 1935 to 1937.Thomas Donovan of Joliet was the Lieutenant Governor of Illinois and thusex officio President of the Senate.[a]Richey V. Graham of Chicago was Presidentpro tempore of the Senate.John P. Devine ofDixon was the Speaker of the House of Representatives.
Illinois was divided into 51 districts, each of which elected one Senator and three Representatives. Districts were last reapportioned in 1901[1] and would not be reapportioned again until 1947.[2]