From atis.
Atis
- a surname from Cebuano
First recorded as a given name of Latvians in 1710. Variant of Oto (“Otto”).
Atis m
- a male given name
- Klāvs Siliņš: Latviesu personvārdu vārdnīca. Riga "Zinātne" 1990, →ISBN
- [1] Population Register of Latvia: Atis was the only given name of 1616 persons in Latvia on May 21st 2010.