Andrius is of Lithuanian origin, derived from the name 'Andreas', which means 'manly' or 'virile'. It is a traditional and popular name in Lithuania, but has also gained international recognition due to notable figures such as Andrius Mamontovas, a prominent Lithuanian musician and songwriter.
The name Andrius experienced varying popularity over the years, with a notable peak in 1999 when it reached its highest point at nine births. The name consistently maintained an average of five to seven births per year from 1966 onwards, with only two significant spikes and no apparent decline until recent years.