 This large cattle ranch, Rancho Tía Juana, covered .Although "Tia Juana" means "Aunt Jane" in Spanish, the name was actually an adaptation of the word 'Tihuan' or 'Tijuán' in the Kumeyaay language, the name of a nearby Kumeyaay settlement and whose meaning is disputed.In 1848, as a result of the Mexican–American War with the United States, Mexico lost all of Alta California.