In 1959, the barrios of Lamut, Mabatobato, Lawig, Panopdopan, Magulon, Peiza, Payawan, Nayon, Halog, Pulaan, Dilan, Pangka, Hapid, Bulao, Allupapan, Pugol and Salamagui of the municipal district of Kiangan were separated from the said municipal district and constituted into the municipal district of Lamut. It was then composed of 4 barangays, namely: Mabatobato, Payawan, Nayon and Panopdopan.
The first appointed municipal mayor was Guinid Tuguinay who was later replaced by Alberto Puguon through a formal election held in November 1967, to December 1963. From January 1964 to December 1967, the municipal mayor was Alberto Bunoan, Sr. He was succeeded by Angelito Guinid from January 1968 to November 24, 1976 who was in turn succeeded by Gregorio Kitong who was appointed as municipal mayor. Kitong served until January 1986. When Corazon C. Aquino became the president, she appointed lady lawyer Lynda Bongyo-Chaguile as the O.I.C. mayor of Lamut and continued to serve until 1998. Lynda Chaguile was the first woman to serve and be elected as mayor in the municipality of Lamut and in the province.