Chas is a distinctive boys' name in United States, ranking #4497 in 2005 with 19 recorded births. The name reached its all-time peak in 2000 with 37 births ranking #2535. Since 1996, the popularity has decreased by 42.4%. In 2005, approximately 1 in every 105,113 boys born was named Chas. FALLING Recent data shows the name is currently falling.