In 2025, 18 US boys were named Jasen, making it the 5,297th most common boys’ name of the year, up 465 places from #5,762 in 2024. That is 2 more than the 16 boys named Jasen in 2024. Its best rank for boys was #563, reached in 1973. The most boys given the name in a single year was 204, in 1979. For comparison, it was #2,373 in 2015 and unranked in 1950.
Social Security card records list Jasen in 65 years of the 146 from 1880 to 2025, starting in 1954 with 6 babies. In all, 4,659 US babies have been given the name, all of them boys. Its busiest decade was the 1970s, with 1,703 babies named Jasen.
Over the 10 years from 2016 to 2025, 264 US boys were named Jasen; the busiest of those years was 2016, with 46. In 2025 that was about 1 in 94,893 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Jason (1,057,058 babies since 1880), Jayson (35,968 babies since 1880), Jaysen (3,049 babies since 1880) and Jacen (2,480 babies since 1880). Rarer spellings such as Jaisean, Jaesean and Jahsean are summarised on this page.