Before the primary, incumbent governorHenry Horner, a Democrat, opted not to seek a third term. In October, before the general election, his death in office made John Henry Stelle assume the governorship. However, Stelle had previously failed to win the Democratic nomination in the primary.
^Smith, Harold (February 15, 1942). "Hopes of GOP Run High in Congress Race". Chicago Tribune. He is Albert Lagerstedt, 25 West Ontario Street, an independent candidate for governor in the 1940 primary. Before coming to Chicago about ten years ago, Lagerstedt had been a congressman from Minnesota from 1922 to 1928.
^"Lagerstedt, Albert". Minnesota Legislators Past & Present. Minnesota Legislative Reference Library. Archived from the original on July 1, 2021. Retrieved February 27, 2025.