* There is a less famous poet with that name: There are many poets out there, and "Oliver Shelley" might be a name used by someone whose work is not widely known. If you have any specific information about this poet, such as their birth year or location, it might help in searching for them.
* You are thinking of a different name: It's possible you are misremembering the poet's name. Perhaps you are thinking of:
* Percy Bysshe Shelley: A famous Romantic poet, known for works like "Ozymandias" and "Ode to the West Wind."
* Mary Shelley: The author of *Frankenstein*.
* Another poet: It's always possible you are thinking of a different poet altogether.
If you can provide any additional details about "Oliver Shelley" (for example, any poems you have read by them, or any information about their life), I might be able to help you find information about them.