 Gertrud Månsson educated herself through autodidacticism and engaged herself in politics and the Swedish Social Democratic Party.On 11 June 1892, she became one of the co-founders of the "Stockholms allmänna kvinnoklubb", which was the first women's branch of the Swedish Social Democratic Party.She became a member of the Swedish Social Democratic Party the same year, and served as the chairperson of the Stockholms allmänna kvinnoklubb three times