It's possible that:
* The name is misspelled. Please double-check the spelling.
* The person is not a public figure. There are many talented people working in the entertainment industry who don't have a significant online presence.
* The person might be using a different name professionally.
To help me find the information you're looking for, could you please provide any additional details about Lynn Pinkney, such as:
* What type of projects were they involved in? (e.g., acting, directing, writing)
* What years were they active?
* Any other known works they may have been involved in?
With more information, I may be able to help you find more about them.