First recorded as a given name of Latvians in 1877. From Polish Jadwiga. Cognate to German and English Hedwig.
- A female given name.
- A transliteration of the Polish female given name Jadwiga.
- Klāvs Siliņš: Latviešu personvārdu vārdnīca. Riga "Zinātne" 1990, →ISBN
-  Population Register of Latvia: Jadviga was the only given name of 1710 persons in Latvia on May 21st 2010.