Klay is a distinctive boys' name in United States, ranking #1907 in 2017 with 76 recorded births. The name reached its all-time peak in 2022 with 103 births ranking #1668. Since 1996, the popularity has increased by 280.0%. In 2017, approximately 1 in every 24,346 boys born was named Klay. FALLING Recent data shows the name is currently falling.