It's possible that:
* The name is misspelled: Check for variations in spelling, middle names, or alternate spellings.
* The person is not publicly known: This is especially true if they have not been involved in major projects.
* The person is using a stage name: If this is the case, it may be difficult to find their real name and therefore their work.
If you have more information about Jessica Starr Folger, like a specific project they might have worked on, or a link to their online presence, that might help in finding out more.