Caston is a distinctive boys' name in United States, ranking #5972 in 2000 with 11 recorded births. This places Caston 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 2017 with 33 births ranking #3393. In 2000, approximately 1 in every 178,539 boys born was named Caston. FALLING Recent data shows the name is currently falling.