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First recorded in early 20th century. Masculine form of Daina, from daina (“folk song”).
Dainis m
- a male given name
- Klāvs Siliņš: Latviesu personvārdu vārdnīca. Riga "Zinātne" 1990, →ISBN
- [1] Population Register of Latvia: Dainis was the only given name of 6026 persons in Latvia on May 21st 2010.