Chas is a distinctive boys' name in United States, ranking #9742 in 2015 with 7 recorded births. The name reached its all-time peak in 2000 with 37 births ranking #2535. Since 1996, the popularity has decreased by 78.8%. In 2015, approximately 1 in every 273,751 boys born was named Chas. FALLING Recent data shows the name is currently falling.