 Its county seat is Kosciusko.Attala County is named for Atala, a fictional Native American heroine from an early-19th-century novel of the same name by François-René de Chateaubriand.Myrtis Methvin was elected in 1932 as the second woman mayor in Louisiana and took office in Castor in Bienville Parish, serving from 1933 to 1945.