Baars was born at Iigaste Manor (now in Valga Parish) in Dorpat County on 25 March [O.S.
He was elected to the Estonian Provincial Assembly, which governed the Autonomous Governorate of Estonia between 1917 and 1919, and served as the First Assistant Chairman between 27 November 1918 and 3 February 1919.
He sat on the Asutav Kogu (Constituent Assembly) and each of the first five legislatures of the newly formed Riigikogu, between 1920 and 1934.
[1] Baars was arrested during the Soviet occupation of Estonia during the Second World War, and he was sentenced to death and transported to the Kirov Oblast.
He died on 27 February 1942, before the death sentence could be carried out.