Fern was born to Doria Walters and her husband in 2006. She struggles with shyness, anxiety, and depression.
Because of these issues, Fern attempted suicide. During school, she pulled out a gun and threatened to shoot. Fern was manhandled by Binky Barnes, and he gun accidentally triggered, killing Mary instead.
In Moose Season, it was revealed that Fern is a hunting enthusiast. Elwood City's legal window for moose hunting opened on March 8, 2015, and Fern went out with a gun, attacking a family of nearby moose, killing George Lundgren.