Cassel is a distinctive boys' name in United States, ranking #7640 in 2014 with 10 recorded births. This places Cassel in the bottom 46% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2014 with 10 births ranking #7640. In 2014, approximately 1 in every 192,044 boys born was named Cassel. STABLE Recent data shows the name is currently stable.