From Wiktionary, the free dictionary
First recorded as a given name of Latvians in 1930. From vairot (“to add, increase”).
Vairis m
- a male given name
- Klāvs Siliņš: Latviesu personvārdu vārdnīca. Riga "Zinātne" 1990, →ISBN
- [1] Population Register of Latvia: Vairis was the only given name of 554 persons in Latvia on May 21st 2010.