Mary Ann McMorrow (née Grohwin; January 16, 1930 – February 23, 2013)[1] was an Illinois Supreme Court chief justice.
She was the first woman elected to serve as chairperson of the Executive Committee of the Appellate Court.
With her election as Chief Justice of the Supreme Court of Illinois in May 2002, she became the first woman to head any of the three branches of state government.
[citation needed] She was the 1991 recipient of the "Medal of Excellence" award from Loyola University Chicago School of Law's Alumni Association.
She was married to Emmett McMorrow; the couple had one child, a daughter, Mary Ann (born 1963).