First recorded as a given name of Latvians in early 20th century. From astra (“aster flower”), of from Latin astrum (“star”).
- A female given name.
- Klāvs Siliņš: Latviešu personvārdu vārdnīca. Riga "Zinātne" 1990, →ISBN
-  Population Register of Latvia: Astra was the only given name of 1040 persons in Latvia on May 21st 2010.