Silja is a name of Nordic origin, derived from the Old Norse elements 'sylgr' meaning 'light' and 'björg' meaning 'help'. It is often associated with the Norse goddess Silfris, who was known for her beauty and wisdom. The name gained popularity in Scandinavia during the 20th century and has since been adopted by other countries as well.
The popularity of the name Silja has seen an increase over these ten years with a total of eleven babies named Silja born between 2004 and 2014.