Sy is a distinctive boys' name in United States, ranking #7039 in 2021 with 12 recorded births. The name reached its all-time peak in 2003 with 33 births ranking #2986. Since 1996, the popularity has increased by 50.0%. In 2021, approximately 1 in every 145,686 boys born was named Sy. STABLE Recent data shows the name is currently stable.