Margaret Duncan, 78, of Smoke Run, passed away Monday, January 2, 2017 in Mt. Laurel Nursing and Rehab, Clearfield.  Born on October 6, 1938 in Blandburg, she was the daughter of the late Harvey and Mary (McDowell) Ball.  She taught for many years in the Moshannon Valley School District.  Margaret is survived by a son, Jedd Duncan of Smoke Run.  Services, will be private and held at the convenience of the family. Condolences may be made at www.kruise-spewock.com.