Jaysun is a distinctive boys' name in United States, ranking #11371 in 2019 with 6 recorded births. The name reached its all-time peak in 2002 with 12 births ranking #5875. Since 1996, the popularity has decreased by 14.3%. In 2019, approximately 1 in every 298,894 boys born was named Jaysun. FALLING Recent data shows the name is currently falling.