It's possible that:
* The name is spelled incorrectly. Double-check the spelling of the name.
* The person is not a professional actor. They may have participated in local productions or amateur projects that are not widely known.
* She has a different stage name. It's possible she uses a different name in her professional work.
If you have more information, such as a specific film or TV show she might have been in, or any other details about her, it would be easier to find information about her acting career.