Mary L. (Dell) Bosley, 90, of Dover formerly of New Freedom passed away Tuesday, November 3, 2020 at her residence. She was the wife of the late Edward L. Bosley, Sr. who passed away in 1993. Born in Hampstead, Maryland she was a daughter of the late Albert K. and Edna G. Dell. Mary was a press operator and enjoyed cooking, baking, trips to the beach and spending time with her family and especially her grandchildren. She is survived by six children Edward L. Bosley, Jr. and his wife Susan, Dennis M. Bosley and his wife Nancy, James R. Bosley and his wife Joann, Keith A. Bosley, Timothy J. Bosley and Amy S. Bosley; 13 grandchildren Parthena, Edward III, Kristy, Holly, Dylan, Jesse, Amanda, Kyle, Brandy, Michael, Angie, Ashley and Seth; 12 great-grandchildren and one great-great-grandchild; two siblings Esther Yingling and John Dell. Mary was preceded in death by several siblings. Private services will be held at the convenience of the family. In lieu of flowers contributions may be made to St. Jude’s Children’s Research Hospital, 501 St. Jude Place, P.O. Box 1000, Memphis, TN 38105.