n 1869 with the Catholic population having grown to such a number, The Most Reverend Jean Marie Odin, Archbishop of New Orleans established the canonical parish of St. Francis de Sales, which covered what had become known as the civil jurisdiction of Imperial Calcasieu Parish. Following the devastation and death from a Yellow Fever epidemic, a new church building was constructed, which was dedicated to the Immaculate Conception on October 2, 1881.