From Wiktionary, the free dictionary
First recorded during 1925-1950. From the female name Aina, in analogy with Aigars and Aivars, or a variant of Einārs.
Ainārs m
- a male given name
- Klāvs Siliņš: Latviesu personvārdu vārdnīca. Riga "Zinātne" 1990, →ISBN
- [1] Population Register of Latvia: Ainārs was the only given name of 3934 persons in Latvia on May 21st 2010.