Jaston is a distinctive boys' name in United States, ranking #8234 in 1999 with 7 recorded births. The name reached its all-time peak in 2006 with 19 births ranking #4765. Since 1996, the popularity has increased by 16.7%. In 1999, approximately 1 in every 274,298 boys born was named Jaston. FALLING Recent data shows the name is currently falling.