She was pre-deceased by, her husbands, Wesley Clark and Raymond DeLong and her son and daughter in law, Gary (Linda) Clark.
Sydnie is survived by, two daughters, Janet (Robert) Matteson and Nanette (Brian) Corry; her son, James (Janette) Clark; her sister, Beatrice Lake; step-sons, Raymond DeLong, Richard (Martha) DeLong, Robert (Gean) DeLong; step-daughters, Marcia Henry, June Dashnau and Sue (Duane) Morton; along with many grandchildren and great-grandchildren.
She was employed by Oswego County Social Services and the Mexico Academy and Central School District as a Secretary. After retiring from MACS, she was employed by the OCC Senior Nutrition Program for several years.
Sydnie was proud to be a lifelong resident of Mexico, NY, being raised, graduating and working in the area.
Funeral services will be held at 11 a.m. on Tuesday, May 1, 2018 from the Harter Funeral Home, 9 Washington Avenue, Mexico NY. Interment will be in the Mexico Village Cemetery. Friends and family are invited to call from 4 to 7 p.m. Monday, April 30, 2018 at the funeral home.