Throughout the world, ถิรยา (ถิรยา 
) is a very rare girly first name. The forename ถิรยา is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare girly name.
| VARIANT | COUNTRY |
|---|---|
| ถิรยา | Thailand |
บุญรัตน์, and ทรัพย์เพชร