Joan D. Costello, nee Zappendorf, age 79. Beloved wife and best friend of the late Edward J. Loving mother of Michael of Muncie, IN and Kelly (Ray) Billock of Wadsworth, IL. Devoted grandmother of Matt (Kiley), Mark, Jen (Kyle) Young, Michelle (Brad) Costello-Clark and Edward. Great grandmother of Luella and Connor Billock. Dear sister of Joyce (Ray) Erickson and the late Ronald (the late Bernadette) Zappendorf and Robert (the late Marian) Zappendorf. Dear daughter of the late Arthur C. and Dorothy M. Zappendorf. Fond aunt of many nieces and nephews. Retired employee of Illinois State's Attorney General's Office Dept. of Revenue & Litigation. Joan was actively involved in the 23rd Ward Republican Party serving as 23rd Ward Committeewoman and was an elected delegate for 2 Republican National Conventions. She also attended the 1968 Presidential Inaugural Celebration. Former columnist for the Southwest News Herald and the Clear-Ridge Reporter. In lieu of flowers, donations to the Prentice Women's Hospital would be appreciated. Greeting of Friends, Saturday, June 22, 2013 from 2:00 PM until time of Memorial Service at 3:30 PM. at Blake-Lamb Funeral Home, 4727 W. 103rd St., Oak Lawn, IL. Interment private. Info 708-636-1193 or www.blakelamboaklawn.com.