Mary C. Chamberlain, 55, of Arlington Heights was born Dec. 28, 1956 to the late John and Magdalen Krier and passed away Jan. 25, 2012 at Northwest Community Hospital in Arlington Heights. Mary was the beloved wife of Michael J.; loving mother of Kevin M. ; dear sister of James (Nadine) Krier and John (Barbara) Krier; fond aunt of Kelly and Jill Krier. Visitation will be Sunday Jan. 29, 2012 from 2:00 p.m. until time of funeral service 7:00 p.m. at Lauterburg & Oehler Funeral Home, 2000 E. Northwest Hwy. Arlington Heights. Interment will be private. Contributions to the American Cancer Society 1114 N. Arlington Heights Road Arlington Heights, IL 60004 appreciated.