Jean-Guy Guilbault  Jean-Guy Guilbault (born 14 March 1931) was a member of the House of Commons of Canada. He was a businessman by career. Guilbault attended schools in Drummondville and Montreal. In federal politics, represented the Quebec riding of Drummond where he was first elected in the 1984 federal election and re-elected in 1988, therefore becoming a member in the 33rd and 34th Canadian Parliaments. He was a member of the Progressive Conservative party. Guilbault left federal politics after his defeat in the 1993 federal election to Pauline Picard of the Bloc Québécois.