Here is a little information on the
Cora tribe I found.
Cora, (1) calling themselves Nayarit or Nayariti, a tribe belonging to the Taracahitian division of the Uto-Aztecan linguistic family, located in the Sierra de Nayarit, on the middle course of the Río
Grande de
Santiago, State of Jalisco, and a section of the San Pedro, and including the coast of the present Nayarit. Subdivisions: Coano (in the barrancas of Mochitiltic in the extreme south), Huaynamota (on an east branch of the Río
Grande de
Santiago), Zayahueco (south and southwest margins of
Cora country).
Cora, (2) a subdivision of the Waicuri on the east coast of Baja
California from about Dolores to the southeastern point of the peninsula.