Chay is a distinctive boys' name in England & Wales, ranking #795 in 2003 with 26 recorded births. The name reached its all-time peak in 1997 with 54 births ranking #407. Since 1996, the popularity has decreased by 33.3%. In 2003, approximately 1 in every 11,520 boys born was named Chay. FALLING Recent data shows the name is currently falling.