Clerk of the Supreme Court Mueller became the second incumbent for this office to lose his party's nomination in a primary following Republican Irving Caswell in 1918.
Kaercher was a resident of Ortonville, secertary treasurer of the Big Stone National Loan Association, and chair of the woman's Republican Committee of Big Stone County. Kaercher was the first woman endorsed for state office by the Republican Party in Minnesota history, outlasting six other candidates, and the first woman to appear on a primary or general election ballot for this office.