She was born March 25, 1924 in Woodstock to Walter and Lyda (Brewster) Hansen. On February 2, 1945 she married James Smith.
She loved gardening and spending time in the outdoors.
Nan is survived by her children, Gerry Janczak, Thomas (Margie) Smith, Steven Smith, and Peggy Timm; her 12 grandchildren, 25 great grandchildren, and four great-grandchildren; her sister, Joan Duncan.
She was preceded in death by her husband and her infant daughter, Sandra.
There will be a private burial in Marengo City Cemetery.
In lieu of flowers, memorials may be made to the American Cancer Society.