Who We Are: The Order of the Eastern Star is the largest fraternal organization in the world to which both women and men may belong. Worldwide, there are over 500,000 members under the General Grand Chapter. The Order of the Eastern Star welcomes adults 18 and older who share our values of service and fellowship. Men join as Master Masons, and women may join as female relatives of a Master Mason, former members of Job’s Daughters or Rainbow Girls, or by recommendation from two members.