Klāvs Siliņš: Latviešu personvārdu vārdnīca. Riga "Zinātne" 1990, ISBN 5-7966-0278-0
Population Register of Latvia: Amālija was the only given name of 133 persons in Latvia on May 21st 2010.
Etymology
First recorded as a given name of Latvians in 1795. From Germanic compound names beginning with *amal, "vigor, bravery". Cognate with German Amalia and English Amelia.