 The Native Americans were part of the third indigenous people in the area, the Canalino branch of the Chumash people.In Paleo-indian times, a people of Mongolian heritage first settled along the Southern California coast in areas where oak trees were plentiful, from which characteristic they have been named "The Oak Tree (Grove) People".They vanished some hundreds of years B.C.E., and after a period without archaeological evidence, a second semi—nomadic group arrived.