It's possible:
* The name is misspelled: Check for any potential typos in the name.
* She's not publicly known: She might be a private individual who has not made a public profile.
* She's using a pseudonym: She might be known by a different name in public.
If you can provide more context or details about Carla Sue Ricketson, it may be possible to find information about her. For example, do you know:
* Her approximate age?
* Her location?
* Any specific field she works in?
With more information, it may be easier to locate her.