She was preceded in death by her parents, Joseph and Maurine Shafer; son, Lonnie Mathis. Survivors include her sons, Jamey, Russell; sisters, Sylvia, Darlene; eight grandchildren; 17 great-grandchildren.
A funeral service for Lillis will be held 11 a.m. Tuesday, June 28, 2022 at Blount & Curry Funeral Home at Garden of Memories, Tampa, Florida. Interment to follow in Orange Hill Cemetery, Tampa, Florida. the family will receive friends one hour before the service at the funeral home.