Clay is a moderately popular boys' name in United States, ranking #393 in 1998 with 623 recorded births. This places Clay in the top 3% of ranked US boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1996 with 648 births ranking #370. In 1998, approximately 1 in every 3,068 boys born was named Clay. STABLE Recent data shows the name is currently stable.