Lizzie Green Davis Wilson

Looking for info on my ggrandmother lizzie green who lived in Mcminn co. tn. She first married a James Frank Davis and had 2 children May and Henry, then married a britton wilson and had haley and minnie wilson. Know nothing else about her. Would love to know her parents. Mom was possibley named Margaret or Maggie. Dont know when she died or where she is buried. Any info would be great.