In 2025, 1,305 US boys were named Kayson, making it the 264th most common boys’ name of the year, up 27 places from #291 in 2024. That is 151 more than the 1,154 boys named Kayson in 2024. Its best rank for boys was #264, reached in this year, 2025. That year also had the most boys given the name: 1,305. For comparison, it was #434 in 2015 and unranked in 1950.
Social Security card records list Kayson in 38 years of the 146 from 1880 to 2025, starting in 1982 with 5 babies. In all, 15,487 US babies have been given the name, 1.8% of them girls and 98% boys. Its busiest decade was the 2020s, with 7,367 babies named Kayson.
Over the 10 years from 2016 to 2025, 11,132 US boys were named Kayson; the busiest of those years was 2025, with 1,305. In 2025 that was about 1 in 1,309 of the boys in SSA’s list for the year.
Among the states, Kayson ranked highest in Mississippi in 2025, at #57 for boys there. It was in the top 100 in 2 states (counting DC). Related spellings in the SSA files include Kason (14,951 babies since 1880), Kasen (11,538 babies since 1880), Cason (11,388 babies since 1880) and Kaison (7,198 babies since 1880). Rarer spellings such as Kaesyn, Kasin and Kayceon are summarised on this page.