Chastin is a distinctive boys' name in United States, ranking #7091 in 2011 with 11 recorded births. This places Chastin in the top 49% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 23 births ranking #4256. In 2011, approximately 1 in every 172,635 boys born was named Chastin. FALLING Recent data shows the name is currently falling.