Chastin is a distinctive boys' name in United States, ranking #9750 in 2020 with 7 recorded births. The name reached its all-time peak in 2007 with 23 births ranking #4256. Since 1996, the popularity has decreased by 41.7%. In 2020, approximately 1 in every 246,438 boys born was named Chastin. FALLING Recent data shows the name is currently falling.