In the novel By the Pricking of My Thumbs, ”Mrs Lancaster” (real name Julia Starke AKA ”Killer Kate”, AKA ”Mrs Yorke”) was a resident at Sunny Ridge at the same time as Ada Fanshawe and Elizabeth Moody. She was the daughter of Helen Warrender and the wife of Sir Phillip Starke. In her youth she had been an actress, and had later gotten involved in criminal activities.
She was, at one time, a resident at the Rosetrellis Court for Elderly Ladies, in Cumberland. While there she used the name Mrs Yorke.
At one point she might have been a resident at Saltmarsh House.