In 2025, 622 US boys were named Kasen, making it the 484th most common boys’ name of the year, up 65 places from #549 in 2024. That is 80 more than the 542 boys named Kasen in 2024. Its best rank for boys was #419, reached in 2019. That year also had the most boys given the name: 742. For comparison, it was #470 in 2015 and unranked in 1950.
Social Security card records list Kasen in 34 years of the 146 from 1880 to 2025, starting in 1992 with 8 babies. In all, 11,538 US babies have been given the name, 1.1% of them girls and 99% boys. Its busiest decade was the 2010s, with 6,135 babies named Kasen.
Over the 10 years from 2016 to 2025, 6,205 US boys were named Kasen; the busiest of those years was 2019, with 742. In 2025 that was about 1 in 2,746 of the boys in SSA’s list for the year.
Among the states, Kasen ranked highest in West Virginia in 2025, at #189 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 Caisen, Kaicen and Kaceyn are summarised on this page.