 This name indicates "one who came from Montealegre", a place name in Cadia, Spain in the municipality of Jerez de San Gionvera in Andalucia, Spain.This place name is derived from the Spanish words "Monte", meaning "Mount" or "Mountain", and "alegre", meaning "happy" or "joyful".The Military order of Santiago and later King Alfonso X, the Wise granted several rights and privileges to Montealegre.