He first worked as a general store clerk, and after that as a manager from 1913 to 1919 and after that, became a grocer when he founded T. Labbé Ltd.
He also started an ice cream plant, Produits Régal LTD, in 1921, which remained in business until the 1980s, but with different owners.
He was a member of the provincial ice cream producers association and became a director for Thetford Asbestos, a mining company.
[3] He was the only politician to have been mayor of Thetford Mines and provincial MLA at the same time, from 1935 to 1937 and from 1946 to 1951, a practice that is now forbidden in Quebec.
Laurent Lessard became a provincial MNA for the Liberal Party of Quebec after resigning as mayor of Thetford Mines in 2003.