Wamhoff, Donna (NÉE: Kaufmann), of O'Fallon, Missouri, died on Monday, May 20, 2013 at the age of 66. Loving wife of Robert A. "Bob" Wamhoff; beloved daughter of the late Frank and Mary Kaufmann; devoted mother of Brian (Christy) Wamhoff and Laura (Shelby) Neal; adoring grandmother of Mark and Mollie Wamhoff and Olivia and Emily Neal; cherished sister of Paul, David, and Frank Kaufmann. She is also survived by many nieces, nephews, brother and sister-in-laws, cousins, and friends. Donna is preceded in death by her brother Mark Kaufmann. She was a long time member of Assumption of the B.V.M. Catholic Church. She worked as a registered nurse for over 40 years, 27 of those years were spent working at BJC. Donna was an avid STL Cards fan. She was a determined fighter who courageously battled cancer for over three years, never looking back. Donna knew no stranger. Her main passion in life was her family, especially her grandchildren. In lieu of flowers, Donna and her family's wishes are for donations to go to Siteman Cancer Center Pancreatic Cancer Research Fund, Campus Box 1204, 7425 Forsyth Blvd., St. Louis, MO 63105.