Augustus Marie Martin was a French-born prelate of the Roman Catholic Church. He served as the first bishop of the Diocese of Natchitoches in Louisiana from 1853 until 1875.

Francis Xavier Leray was a French-born prelate of the Roman Catholic Church who served as bishop of the Diocese of Natchitoches in Louisiana (1877–1879) and as archbishop of the Archdiocese of New Orleans (1883–1887).