First recorded in 1687. Of Germanic origin. Cognate to English Ernest.
- A male given name.
- Klāvs Siliņš: Latviesu personvārdu vārdnīca. Riga "Zinātne" 1990, →ISBN
-  Population Register of Latvia: Ernests was the only given name of 1611 persons in Latvia on May 21st 2010.