In 2025, 515 US boys were named Clay, making it the 573rd most common boys’ name of the year, down 29 places from #544 in 2024. That is 30 fewer than the 545 boys named Clay in 2024. Its best rank for boys was #259, reached in 1961. The most boys given the name in a single year was 904, in 1960. For comparison, it was #720 in 2015 and #497 in 1950.
Social Security card records list Clay in every one of the 146 years from 1880 to 2025; in 1880 there were 18 babies with the name. In all, 40,525 US babies have been given the name, 0.7% of them girls and 99% boys. Its busiest decade was the 1990s, with 5,813 babies named Clay.
Over the 10 years from 2016 to 2025, 4,298 US boys were named Clay; the busiest of those years was 2024, with 545. In 2025 that was about 1 in 3,317 of the boys in SSA’s list for the year.
Among the states, Clay ranked highest in Iowa in 2025, at #146 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Klay (1,616 babies since 1880). Rarer spellings such as Kla, Klah and Clae are summarised on this page.