The obituary, shown below, was copied from
https://www.legacy.com/obituaries/southernchestercountyweeklies/obituary.aspx?n=helen-e-frederick&pid=154814292
(it may or may not still be available there)
Helen Frederick Obituary
Helen E. Frederick of Centreville, Delaware Helen E. Frederick, 91, of Centreville, Delaware died on Sunday November 27, 2011. Born in Kennett Square, Helen was a graduate of Kennett High School. She became co-owner of Fredericks Country Center with her husband, Edward P. Frederick. Helen was a member of Lower Brandywine Presbyterian Church and the Kennett High School Alumni Association. She is predeceased by her sisters, Jenny Dunn, Grace Campbell, Marion Tilley, Marguerite DiNorsia, Peggy Barwell and her brother, John O'Neill. Survivors include her husband, Edward of Centreville; son, John Charles Frederick of New Haven, Conn.; daughter, Marian Ann Frederick of Centreville, son, Edward M. Frederick, II of Centreville; grandchildren, Edward P. Frederick, II and Jennifer A. Frederick; sister, Kitty Mullin of Lincoln University; and numerous nieces and nephews. Funeral services will be private. In lieu of flowers, the family suggests contributions to a favorite charity. Arrangements by Chandler Funeral Homes, www.chandlerfuneralhome.com, (302)478-7100.
Published by the Southern Chester County from Nov. 28 to Dec. 1, 2011.