In 2025, 293 US boys were named Casen, making it the 842nd most common boys’ name of the year, down 49 places from #793 in 2024. That is 24 fewer than the 317 boys named Casen in 2024. Its best rank for boys was #611, reached in 2014. That year also had the most boys given the name: 437. For comparison, it was #684 in 2015 and unranked in 1950.
Social Security card records list Casen in 40 years of the 146 from 1880 to 2025, starting in 1978 with 5 babies. In all, 6,655 US babies have been given the name, 0.3% of them girls and 99.6% boys. Its busiest decade was the 2010s, with 3,488 babies named Casen.
Over the 10 years from 2016 to 2025, 3,437 US boys were named Casen; the busiest of those years was 2016, with 409. In 2025 that was about 1 in 5,830 of the boys in SSA’s list for the year.
Among the states, Casen ranked highest in West Virginia in 2025, at #307 for boys there. It was not in the top 100 of any state. 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 Kaysen (7,075 babies since 1880). Rarer spellings such as Caizen and Cassien are summarised on this page.