Sandra Gail Duncan, 50, of Princeton, died suddenly Sunday, February 5, 2023, at her home. Born, July 13, 1972, in Princeton, she was the loving daughter of Patricia Dunnigan and the late William (Bill) Lawrence Dunnigan. In addition to her father, she was preceded in death by her grandfather, Robert Lovell and Uncle Allen Perry. Left to cherish her memory in addition to her mother are her children, Corey Mizelle (Rebecca and son Waylon), Zachary Duncan (Olivia) and Alex Sasser; Brothers, William L. Dunnigan and fiancé Amber and Kenneth R. Dunnigan (Brandy); Grandmother, Betty Lovell; Nieces and Nephews, Brooklyn, Jade, Bristol, Kylee, Hannah, Blake, and Bentley; Aunts and Uncles, Cindy, Allen (Judy), Ronnie (Brenda) and Mary Catherine. Memorial services to celebrate the life of Sandra Gail Duncan, will be held at 4:00 p.m., Thursday, February 16, 2023, from the Chapel of Memorial Funeral Directory on Athens Road in Princeton with Pastors Larry Dyer and Blake Bivens officiating. Friends may visit with the family Thursday, from 3:00 P.M. until the service hour at the funeral home. Online condolences may be shared with the family via www.memorialfd.com . The Duncan family is being served by the Memorial Funeral Directory and Cremation Center on the Athens Road in Princeton.