Father Bernier was named parish priest of Grand Falls in 1924 and stayed there until 1956. In 1943, he received the title of Honorary Prelate. In 1951, the University of Saint-Joseph in Memramcook bestowed on him an Honorary Doctorate degree in Philosophy. His sister Julie was the mother of Msgr. Eymard Desjardins, and his other sister Mathilde became a nun at Tracadie Hôtel-Dieu. Msgr. Bernier died at Hôtel-Dieu in Saint-Basile, a few months after he had retired in 1956.