[4] Tiekso dropped out of university when she was elected to the Parliament of Finland in 1951, representing the constituency of Lapland as a member of the Finnish People's Democratic League.

[4] She was a member of the Communist Party of Finland's central committee and a deputy chair of the Finnish People's Democratic League.

[4] She resigned, along with the rest of the cabinet, in 1971 after a major internal disagreement over price controls on coffee, cigarettes, and sugar.

[7] Tiekso resigned from Parliament in 1974 to become the assistant director of occupational safety and health at the manufacturing company Rautaruukki.

[1] She married Rauno Korpinen [fi], a member of Parliament, in 1975 and moved to Oulu, where she continued working at Rautaruukki.