The Democraticprimary election was held on September 18, 1934. Incumbent lieutenant governorThomas J. O'Malley received a majority of the votes (63.97%) against candidate and incumbent state administrator of theCivil Works Administration Robert C. Johnson, and was thus elected as the nominee for the general election. Despite winning the primary, O'Malley was abandoned by thestate party apparatus in the general election, but went on to win re-election without their support. His victory was partially aided by the emergence of theWisconsin Progressive Party, which caused a three-way split of the major party votes.[2]
On election day, November 6, 1934, incumbentDemocratic lieutenant governorThomas J. O'Malley won re-election by a margin of 9,191 votes against his foremost opponentProgressive nomineeHenry Gunderson, thereby retaining Democratic control over the office of lieutenant governor. O'Malley was sworn in for his second term on January 7, 1935.[3]