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Last name Kajornsirisin (Kajornsirisin ) , around the globe, is a rare family name. The surname Kajornsirisin is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kajornsirisin | Thailand |
Anirut, Pattra, Anakorn, Anupong, Rasamee, Sireetorn, Arachaporn, Chutchanee, and Noppakorn