Doris Dunning

 is the wife of Frank Dunning and mother of Harry Dunning. She lives in Holden, Kentucky with her family.

On Halloween night in 1960, Frank kills her and two of their children in a drunken rage. Harry is the only one who survives. ("The Rabbit Hole")

Alternate Timeline
Jake Epping goes back in time to 1960 to try to make 2016 Harry's life better by stopping Frank from killing his family. Jake tries to get them out of town, but Frank discovers the ruse and stops them. That night, Jake goes to Harry's house and gets into a fight with Frank. Jake garrotes Frank and kills him. ("The Kill Floor")

Episodes

 * The Rabbit Hole
 * The Kill Floor