Chastin is a distinctive boys' name in United States, ranking #6098 in 2016 with 14 recorded births. The name reached its all-time peak in 2007 with 23 births ranking #4256. Since 1996, the popularity has increased by 16.7%. In 2016, approximately 1 in every 135,515 boys born was named Chastin. FALLING Recent data shows the name is currently falling.