 She served for four years starting in 1982 as a delegate for the Legislative Committee on the Maryland Association of Counties.She is a charter member of Kent Conservation, Inc., as citizens' watchdog group founded in 1969 that focuses on environmental issues in Kent County.Walkup is also a member of the Kent Chapter of the American Red Cross, Kent County Farm Bureau, the Chester River Association, the Eastern Shore Land Conservancy, and the Maryland Conservation Council.