Why Was Sandra Day O’connor Important? She Was The First Female Supreme Court Justice. She Served On The Arizona State Senate. She Was Assistant Attorney General. She Went To Harvard University.. Her new office was already littered with briefs and cert requests. Sandra day was born in el paso, texas in march, 1930,.

Sandra day was born in el paso, texas in march, 1930,. The day before, on september 25, 1981, she had been sworn in as the first woman on the supreme court. However, some years later she had no difficulty finding a position—as the first female associate justice on the u.s.