I'm pretty sure that Violet said Croatoan in season 1 to try and get rid of the spirits in the house. Croatoan was the ritualistic thing to get rid of the vengeful spirits on the land. What if their connected???!!!
Psycho, The Texas Chainsaw Massacre, Silence of the Lambs, and American Horror Story all have characters that were based on serial killer Ed Gein,·who was so devastated by his mother’s death that he·began to make·a ‘woman suit’ so he could become her and literally crawl into her skin.’ Source