Chay is a moderately popular boys' name in England & Wales, ranking #462 in 1998 with 44 recorded births. The name reached its all-time peak in 1997 with 54 births ranking #407. Since 1996, the popularity has increased by 12.8%. In 1998, approximately 1 in every 7,056 boys born was named Chay. FALLING Recent data shows the name is currently falling.