Mary E. O'Connor (born 1959) replaced Alderman Brian Doherty on the Chicago City Council in May 2011. She is the first female alderman to represent the 41st Ward of Chicago on the Northwest side of the city - the largest geographic ward in Chicago including O'Hare International Airport. She was elected with 50.88% of the total vote on April 5, 2011 in the Supplementary Municipal Election in Chicago, IL.
Mary O'Connor is also the owner of Unforgettable Edibles and O'Connor's Deli and Market in the 41st Ward.
Mary O'Connor has also served the 41st Ward as Democratic Ward Committeeman since her election in 2008.
References
Mary O'Connor (alderman) Wikipedia(Text) CC BY-SA