Mabel is a resident of Bluebell, Alabama and works at The Dixie Stop. In the Pilot, Dr. Zoe Hart discovers Mabel's secret pregnancy and offers to help her. Eventually, Zoe helps deliver her baby with help from Brick Breeland.
She has a very strained relationship with her mother, Colleen. Her mother berated her enough that Mabel decided to forbid her mother to expose her newborn child to the wrath.