As far the title of Mourning Becomes Electra is quite justify because the whole story revolves around that title . As we know that mourning means lament of any thing and Electra is a modern term which means that a daughter attracts toward her father .As we know that Oedipus Rex is a Greek play in which Oedipus kills his father with his own hands in unconsciously ,and gets marry his mother.In this sense, the sense makes here Oedipus hates his father but loves his mother , it is called Oedipus complex,rather in this play ‘ Mourning Becomes Electra’ we find out two types of complex Electra and Oedipus complex in ‘ Mourning Becomes Electra’. A daughter Lavinia attracts towards his father and hates his mother which is called Electra complex ,on the other hand a son Orin loves his mother and hates his father and kills his father in his dream unconsciously. Lavinia’s mourning and passionate attitude starts when Lavinia thinks about that she is insecure and she is not acceptable child of her parents as Christine herself informs her , they do not want to bear to you . That is why she attracts towards her father and becomes jealous by her mother .