Meaning:
Its source is Sophia, a Greek name meaning "Wisdom."
Languages:
This girl's name is used in Dutch, English, Russian, Serbian, Croatian, Norwegian, Swedish and Danish.
Popularity:
The name Sonja ranked 468th in popularity for females of all ages in a sample of the 1990 US Census.
This name is highly rated in the 1990 U.S. Census popularity survey of all ages, but after 1960 does not appear in the state data listing the most popular baby names.