^Meetings at Champoeg led up to the first constitution of the Oregon Country, and several petitions for U.S. territorial status. The resulting acts also created this body as a provisional government for the region. The first executives of this government were a three-person elected committee known as the Executive Committee. In 1845, elections for a chief executive were held.
^The exact title of the official chiefly responsible for enforcement of labor and related laws has varied through its existence, beginning with Labor Commissioner in 1903, becoming Commissioner of the Bureau of Labor Statistics and Inspector of Factories and Workshops in 1918, then Commissioner of the Bureau of Labor in 1930, and finally Commissioner of Labor and Industries in 1979.
^Office of Attorney General established by statute on May 20, 1891.
^Office of Labor Commissioner established by statute on June 2, 1903.
^Prior to 1872, the governor was ex officio the Superintendent of Public Instruction. The Legislative Assembly established Superintendent of Public Instruction as a separate office by statute in February 1872.[2]
^A Democrat-turned-Independent, John C. Drain, was elected Speaker, and the Independents organized the chamber with the help of Democrats.[4]
^ abcdefghAssumed office following the death or resignation of predecessor.
^A Democrat, James Knox Weatherford, was elected Speaker, and the Democrats organized the chamber with the help of Independents and renegade Republicans.
^A Democrat, John M. Thompson, was elected Speaker, and the Democrats organized the chamber with the help of Independents.
^After 11 days of tied votes over organization of the chamber, one the twelfth day the two parties elected Democrat Boyd Overhulse as President, and organized the chamber on a bipartisan basis.[6][7][8]
^No election for Superintendent of Public Instruction held in 1962, due to legislative statute making the office appointive. Elections resumed in 1966 after the Oregon Supreme Court overturned the statute in 1965.
^The Independent from the 1975 session switched their party affiliation to Democratic.
^Office converted from partisan to nonpartisan by the 1995 Legislative Assembly.
^A power-sharing agreement was negotiated, with Democrats choosing Peter Courtney to be the president, Republicans choosing Lenn Hannon as president pro tempore, and all committees and chairmanships split evenly between the parties.
^Won re-election to fourth term in 2014 but resigned on February 13, 2015 effective February 18, 2015.
^A power-sharing agreement was negotiated, with Democrats choosing Arnie Roblan to be their Co-Speaker, Republicans choosing Bruce Hanna as their Co-Speaker, and all committees and chairmanships split evenly between the parties.
^Elected position eliminated by state law. Governor serves as Superintendent and appoints a deputy to oversee the duties of the office.[11]