Helen M. O'Brien, 94, of Niles, beloved wife of the late Christopher; loving mother of Kathleen (Michael) Cozzi, Chris (Cheryl), John (Nancy), and the late Anthony; dear grandmother of Michael, Anthony (fiancee Beth Ostlie), and Nicholas Cozzi, and Shannon and Kelley O'Brien; fond sister of the late Lottie (Ted) and Edward (Norma) Jaracz; close friend to many, especially Lucy Gorecki and Krystina Owsiany. Services and interment private. (847) 965-2500