Caldecott County, Mississippi, USA is the hometown of Cody Robbins, Irene Adler and Rogue Darkholme respectively.
One night Rogue and Cody were at the same party, Cody asked Rogue to dance with him and she agreed. However, her powers manifested and when they touched, Cody fell into a coma. Cody has since woken up and Irene Adler, Rogue guardian appears to still live in Mississippi. It seems Rogue has never gone back, since she spent Christmas at the X-mansion.