Dear Sakina Gerhart,Thank you for the response,Yes our Leybas first appeared in Northern Chihuahua Mexico and then went to N.M. , Our Luz 1830 and his wife were of Indian Descend ,There were a lot of Leyba surnames in Mexico and N.M. and they could have traveled to CA and other areas thank you and I am Darrell Gilman of Tucson, Arizona , Where are you located and if you need to research futher We