Possibly an elaborated form of JADE. This name came into general use in the 1960s, and was popularized in the 1990s by actress Jada Pinkett Smith (1971-).
From the name of the precious stone that is often used in carvings. It is derived from Spanish (piedra de la) ijada meaning "(stone of the) flank", relating to the belief that jade could cure renal colic. As a given name, it came into general use during the 1970s.
