Jaysun is a distinctive boys' name in United States, ranking #5875 in 2002 with 12 recorded births. This places Jaysun in the top 47% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2002 with 12 births ranking #5875. Since 1996, the popularity has increased by 71.4%. In 2002, approximately 1 in every 161,789 boys born was named Jaysun. FALLING Recent data shows the name is currently falling.