Livermore was incorporated in 1795, the north- western town of the Androscoggin County. In 1880, the population was 1,262. In 2010, the population was 2,095. Livermore had originally been a grant from the state of Massachusetts to certain people for services in an expedition, which was against Port Royal. The town was named for Deacon Elijah Livermore, a pioneer settler born in Waltham, Mass. The first two settlers of Livermore are known to be Deacon Ellijah Livermore and Major Thomas Fish. Major Thomas Fish had originally been from Worcester County, Oxford, Massachusetts. Major Thomas Fish went to war in 1775, and he was a Major in the Continental Army. Major Thomas Fish had died on December 20, 1781 in Livermore, Maine. Deacon Ellijah Livermore had arrived in 1779, building the first mill near Long Pond in 1782.