Residents have paid tribute to Ms Jones on the Bicester Chat Facebook page:
Sara Malcolm said: "Condolences to the family. Tracey will be missed, she was a lovely lady."
Julie Doyle said: "It is so sad and will be greatly missed by everyone. Such a lovely lady."
Jo Reynolds commented: "So very sad, a beautiful soul who will be greatly missed."
Zoe Boreham said: "Always remember her smiling in store, she always looked like she enjoyed being at her job."
Robert Thurlow said: "A lovely person. We grew up together at primary school and secondary school. Sadly missed."
People have also praised Poundland for closing, showing respect at a difficult time.