In 2025, 110 US boys were named Kysen, making it the 1,557th most common boys’ name of the year, down 181 places from #1,376 in 2024. That is 27 fewer than the 137 boys named Kysen in 2024. Its best rank for boys was #1,317, reached in 2020. The most boys given the name in a single year was 137, in 2024. For comparison, it was #1,864 in 2015 and unranked in 1950.
Social Security card records list Kysen in 26 years of the 146 from 1880 to 2025, starting in 2000 with 8 babies. In all, 1,622 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 762 babies named Kysen.
Over the 10 years from 2016 to 2025, 1,124 US boys were named Kysen; the busiest of those years was 2024, with 137. In 2025 that was about 1 in 15,528 of the boys in SSA’s list for the year.
Among the states, Kysen ranked highest in Mississippi in 2025, at #503 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Kyson (9,961 babies since 1880) and Kesean (1,236 babies since 1880). Rarer spellings such as Keysean, Kisean and Keisen are summarised on this page.