First recorded as a given name of Latvians during 1925-1950. Uncertain origin, possibly related to the Latin Aegidius.
- A female given name.
- Klāvs Siliņš: Latviešu personvārdu vārdnīca. Riga "Zinātne" 1990, →ISBN
-  Population Register of Latvia: Egija was the only given name of 773 persons in Latvia on May 21st 2010.