Clay is a moderately popular boys' name in United States, ranking #370 in 1996 with 648 recorded births. This places Clay in the top 4% 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 1996, approximately 1 in every 2,923 boys born was named Clay. STABLE Recent data shows the name is currently stable.