Sirinya's full name is Cynthia Carmen Burbridge. Sirinya was the winner of the "Miss Thailand World Pageant" in 1996.
- Burbridge was raised in Pattaya by her Italian-Greek-Irish American father, William Burbridge and Thai-Indian-Indonesian-Chinese mother, Patricia. Her paternal grandmother was from Greece, while her paternal grandfather was Italian-Irish. Her maternal grandfather was Indian-Chinese, while her maternal grandmother was Thai-Indonesian.
- She graduated from Bangkok University majoring in public relations. She has opened a Japanese restaurant in Bangkok, Ikkyu-an with her long-time boyfriend, actor Byron Bishop, whom she married in July 2005.