Mary C. Duncan Obituary
It is with great sadness that we announce the death of Mary C. Duncan of Hummelstown, Pennsylvania, who passed away on January 19, 2026, at the age of 88, leaving to mourn family and friends. Family and friends can send flowers and condolences in memory of the loved one. Leave a sympathy message to the family on the memorial page of Mary C. Duncan to pay them a last tribute.
She was predeceased by: her parents, John M. Kauffman and Edith Viola Cline Kauffman; her husband Lewis E. Duncan; her great great grandchild Lily Reyes; her siblings, Donald Kauffman, John Michael Kauffman Jr., Robert W. Kauffman, Naomi Kauffman-Fager and Betty Kauffman Shumaker; and her grandson-in-law Edward Williams.
She is survived by: her children, Ronald E. Duncan (Wendy Billig) of Hummelstown, Randy A. Duncan of Hummelstown, Debbie M. Nye (late Robert L.) of Hummelstown and Linda L. Duncan of Hummelstown; her grandchildren, Michelle L. Lentz (Tom), Jessica A. Nye, Mike P. Garrison (Diane), Missi S. Garrison (Ryan Zeiders), Robin L. Mitchell and Ryan M. Duncan; her great grandchildren, Autumn C. Lentz, Tommy Lentz, Eddie Williams (Lynn), Austin Williams, Jadelyn Williams and Koal Garrison; and her great great grandchild Levi Thorton.
