In 2025, 296 US boys were named Cayson, making it the 835th most common boys’ name of the year, down 71 places from #764 in 2024. That is 36 fewer than the 332 boys named Cayson in 2024. Its best rank for boys was #550, reached in 2016. That year also had the most boys given the name: 526. For comparison, it was #624 in 2015 and unranked in 1950.
Social Security card records list Cayson in 33 years of the 146 from 1880 to 2025, starting in 1993 with 7 babies. In all, 6,415 US babies have been given the name, 0.7% of them girls and 99% boys. Its busiest decade was the 2010s, with 3,529 babies named Cayson.
Over the 10 years from 2016 to 2025, 3,958 US boys were named Cayson; the busiest of those years was 2016, with 526. In 2025 that was about 1 in 5,771 of the boys in SSA’s list for the year.
Among the states, Cayson ranked highest in Mississippi in 2025, at #243 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Kayson (15,487 babies since 1880), Kason (14,951 babies since 1880), Cason (11,388 babies since 1880) and Kaison (7,198 babies since 1880). Rarer spellings such as Cayceon are summarised on this page.