Sonia is a distinctive girls' name in United States, ranking #688 in 2009 with 425 recorded births. The name reached its all-time peak in 1997 with 647 births ranking #405. Since 1996, the popularity has decreased by 33.3%. In 2009, approximately 1 in every 4,322 girls born was named Sonia. STABLE Recent data shows the name is currently stable.