Memorials may be made to the American Heart Association. Karen ''Sue'' Yeast was born on September 24, 1955 in Canton Illinois to Raymond G. and Loretta M. Ball. Her loving parents preceded her in death. Mrs. Yeast was a member of Assumption Catholic Church and worked as a clerk for the United States Postal Service for five years. Mrs. Yeast is survived by her husband, Jeff A. Yeast of St. Peters Missouri, her children, Jessica Dawn Feyen (Aaron), Angela Beth Yeast, Christina Marie Yeast, and Rachel Alyse Yeast all of O'Fallon Missouri, a brother, Mike Ball of Canton Illinois, and two sisters, Jean Maher of Bartonville Illinois, and Judi Urban of Bloomington Illinois.