First recorded as a given name of Latvians during 1850 - 1875 . From English Betty.
Betija f
- a female given name
- Klāvs Siliņš: Latviešu personvārdu vārdnīca. Riga "Zinātne" 1990, →ISBN
- [1] Population Register of Latvia: Betija was the only given name of 249 persons in Latvia on May 21st 2010.