Sonia is a distinctive girls' name in United States, ranking #721 in 2010 with 392 recorded births. The name reached its all-time peak in 1997 with 647 births ranking #405. Since 1996, the popularity has decreased by 38.5%. In 2010, approximately 1 in every 4,534 girls born was named Sonia. STABLE Recent data shows the name is currently stable.