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Around the globe, Billasoy (Billasoy ) is an extremely rare unknown gender first name. Much more prevalently, Billasoy is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Billasoy | Thailand |
Komsan, Sawalak, Sinicha, Narawut, Sawwalak, Juthamanee, Witchakorn, and Surassawadee