CORNWALL - The memorial service for Margaret S. Clark, 72, who died March 2, 2011, will be held at 11 a.m. Saturday, May 7, at Cornwall Congregational Church, with the Rev. Mary Kay Cavazos officiating. Burial will follow in Evergreen Cemetery in Cornwall. Memorial contributions may be made to Addison County Humane Society, 236 Boardman Road, Middlebury, VT 05753. Arrangements are under the direction of the Sanderson-Ducharme Funeral Home in Middlebury.