Kira is a Russian form of Kyra, which is a feminine form of Kyros, the Greek form of the Persian name Kurush. Kurush may mean 'far sighted' or may be related to the Persian word 'khur' - 'sun'. The name is sometimes associated with Greek 'kyrios' 'lord'. This was the name of several kings of Persia , including Cyrus the Great, who conquered Babylon . He is famous in the Bible for freeing the captive Jews and allowing them to return to Israel .