Lemieux had been reelected to the legislative assembly in both Lévis and Bonaventure in 1897, but resigned his seat when he was named judge in the Quebec Superior Court for Athabaska district.
In 1897, Lemieux was reelected to represent Lévis and Bonaventure in the legislative assembly. However, he stepped down from his position after being appointed as a judge in the Quebec Superior Court for Athabasca district.