All over the world, Thorna (Thorna 
) is a very rare epicene first name. Likewise, Thorna is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thorna | United Kingdom, South Africa, United States, India, Cayman Islands |
| thorna o. humphries Ph.D. University of Colorado at Boulder 2000 |
|