Sy is a distinctive boys' name in United States, ranking #3872 in 2006 with 26 recorded births. The name reached its all-time peak in 2003 with 33 births ranking #2986. Since 1996, the popularity has increased by 225.0%. In 2006, approximately 1 in every 79,043 boys born was named Sy. STABLE Recent data shows the name is currently stable.