In 2025, 84 US boys were named Klay, making it the 1,882nd most common boys’ name of the year, up 227 places from #2,109 in 2024. That is 13 more than the 71 boys named Klay in 2024. Its best rank for boys was #1,632, reached in 2016. The most boys given the name in a single year was 103, in 2022. For comparison, it was #2,157 in 2015 and unranked in 1950.
Social Security card records list Klay in 60 years of the 146 from 1880 to 2025, starting in 1958 with 8 babies. In all, 1,616 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 532 babies named Klay.
Over the 10 years from 2016 to 2025, 874 US boys were named Klay; the busiest of those years was 2022, with 103. In 2025 that was about 1 in 20,334 of the boys in SSA’s list for the year.
Among the states, Klay ranked highest in Utah in 2025, at #758 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Clay (40,525 babies since 1880). Rarer spellings such as Klayah are summarised on this page.