 He was succeeded in the House by the freshman State Senator Edwin E. Willis of St. Martinville, the seat of St. Martin Parish.He returned to the private practice of law in 1949.In 1968 Domengeaux accepted an appointment from Louisiana Governor John McKeithen, his fellow Democrat, to preside over a new state-charted organization called the Council for the Development of French in Louisiana, commonly known by the acronym CODOFIL.