Caston is a distinctive boys' name in United States, ranking #6147 in 2009 with 14 recorded births. The name reached its all-time peak in 2017 with 33 births ranking #3393. Since 1996, the popularity has increased by 40.0%. In 2009, approximately 1 in every 141,665 boys born was named Caston. FALLING Recent data shows the name is currently falling.