In 2025, 41 US boys were named Kainen, making it the 3,019th most common boys’ name of the year, up 628 places from #3,647 in 2024. That is 10 more than the 31 boys named Kainen in 2024. Its best rank for boys was #1,634, reached in 2018. That year also had the most boys given the name: 100. For comparison, it was #2,287 in 2015 and unranked in 1950.
Social Security card records list Kainen in 34 years of the 146 from 1880 to 2025, starting in 1989 with 5 babies. In all, 1,316 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 612 babies named Kainen.
Over the 10 years from 2016 to 2025, 648 US boys were named Kainen; the busiest of those years was 2018, with 100. In 2025 that was about 1 in 41,660 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Kannon (6,181 babies since 1880), Kanan (1,820 babies since 1880) and Kanon (1,688 babies since 1880).