Crosier, Sharon E. (NEE: Spathelf), of St. Charles, Missouri, died on Friday, March 8, 2013 at the age of 70. Loving wife of Charles Crosier; beloved daughter of the late Ralph C. and Lucille Spathelf; devoted mother of Craig H. (Carmen) Crosier, Cheryl (Bob) Rucker, and Scott E. Crosier; adored daughter- in-law of Naomi O. Crosier; dear sister of Audrey (Ira) Monroe; cherished grandmother of Robert James Dessain, Christopher Ryan Rucker, and Michael E. Rucker. She was a member of St. John U.C.C. in St. Charles, MO and of Machinist Union Retirement Club Local 843. She loved her Antiques also.