Sonia is a distinctive girls' name in United States, ranking #555 in 2003 with 498 recorded births. The name reached its all-time peak in 1997 with 647 births ranking #405. Since 1996, the popularity has decreased by 21.8%. In 2003, approximately 1 in every 3,669 girls born was named Sonia. STABLE Recent data shows the name is currently stable.