The Roman Catholic Diocese of Houma-Thibodaux was formed on June 5, 1977. The area covers the civil parishes of Terrebonne, L ... afourche, parts of St Mary (Morgan City & Amelia), and part of Jefferson (Grand Isle). The diocese includes 38 Church Parishes, 6 Mission Communities of Faith, 9 Catholic Elementary Schools, 3 Catholic High Schools, and several Diocesan Offices (including Catholic Charities) that serve and support our churches and schools. Following Jesus’ instruction presented in Matthew 28:19, the mission of the Diocese of Houma-Thibodaux, simply put, is to form missionary disciples of Jesus Christ. read more