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First recorded as a given name of Latvians in 1950. Cognate with English Cynthia.
Sintija f
- a female given name
- Klāvs Siliņš: Latviešu personvārdu vārdnīca. Riga "Zinātne" 1990, →ISBN
- [1] Population Register of Latvia: Sintija was the only given name of 4272 persons in Latvia on May 21st 2010.