Hi! I'm from Santiago of Chile and i have information about last name Jara Jara is an original last name of Murcia, Cartagena, Spain. In addition,Jara is one runa, that means compensates and represents a tree, the oak. According to chamanes, this runawould be one of the revelations of the Gods to Odín. Jara it's the name of a very common wild flower to a large extent of Spain and the word "Jara " comes from the Arab and means "full land of vegetation".