Entered into rest on May 24th, 2010 in her 76th year. She was the daughter of the late James B. and Catherine C. Heveron and sister of the late John B. Heveron. Mary Kay was a retiree of Eastman Kodak Company. Survived by her beloved husband, Charles U., of Ontario. Her children James H. (Catherine) Dunning of Virginia, R. Casey Dunning, Julia G. Dunning, Andrew C. Dunning and Michael B. Dunning, all of New York; grandchildren, Colin S. Dunning of California, Kelsi M. Dunning, Karli A. Dunning and Chloe K. Dunning, all of New York; numerous nieces, nephews, cousins, and special friends. Sorority sisters (HUBS) alumna of Nazareth Academy, Nazareth College, and Rochester Business Institute.Family and friends are invited to call Friday evening, July 28th from 7-9PM at the Young Funeral Home, 4025 West Main St., Williamson. A mass of the Christian burial will be celebrated on Saturday morning at St. Mary's of the Lake Church, Ontario, at 10AM. Private interment St. Columbkille Cemetery, Seneca Falls. In lieu of flowers, donations may be made in her memory to the COPD Foundation, 2937 S.W. 27th Ave. Suite 302, Miami, FL. 33133.