Sylvia graduated from Hancock High School in 1938 and was employed by Fairchild Aircraft in Hagerstown as an aircraft inspector.
She was a member of Antioch Christian Church in Big Cove Tannery, Pa., where she sang and played the piano. She also attended St. John's Lutheran Church in Hagerstown.
Sylvia enjoyed gardening and helped manage several apartment buildings in Hagerstown with her late husband.
Survivors include daughter, D. Markay Hadley of Falling Waters; grandchildren, Lavona D. Heleine, Frank R. Hadley Jr. and Ray W. Hadley, all of Falling Waters, W.Va., Mark D. Hadley of Los Alamos, Calif., D. Scott Boyer of Big Pool, Md., and Kristie J. Kiser of Hagerstown; 14 great-grandchildren; and two great-great-grandchildren.
Besides her parents and husbands, she was preceded in death by one son, David A. Boyer; one brother, Ray W. Weller Jr.; and two great-grandchildren, Kyra L. Heleine and Damien L. Heleine.
Funeral services will be Tuesday, Aug. 31, 2010, at 11 a.m. at Osborne Funeral Home, 425 S. Conococheague St., Williamsport, Md., with the Rev. Ernest E. Witmer officiating. Burial will be in Cedar Lawn Memorial Park, Hagerstown.
The family will receive friends Tuesday one hour before services at the funeral home, which will open at 9 a.m.
Memorial donations may be made to Hospice of the Panhandle, 122 Waverly Court, Martinsburg, WV 25401.
Online condolences may be made at http://www.osbornefuneralhome.net.