In 2025, 59 US boys were named Harlen, making it the 2,338th most common boys’ name of the year, down 44 places from #2,294 in 2024. That is 3 fewer than the 62 boys named Harlen in 2024. Its best rank for boys was #750, reached in 1936. That year also had the most boys given the name: 65. For comparison, it was #2,240 in 2015 and #1,410 in 1950.
In 2025, 11 US girls were named Harlen, making it the 9,082nd most common girls’ name of the year, up 3,563 places from #12,645 in 2024. That is 4 more than the 7 girls named Harlen in 2024. Its best rank for girls was #7,053, reached in 2023. That year also had the most girls given the name: 16. For comparison, it was #17,427 in 2015 and unranked in 1950.
Social Security card records list Harlen in 118 years of the 146 from 1880 to 2025, starting in 1907 with 5 babies. In all, 3,520 US babies have been given the name, 3.3% of them girls and 97% boys. Its busiest decade was the 2010s, with 554 babies named Harlen.
Over the 10 years from 2016 to 2025, 583 US boys were named Harlen; the busiest of those years was 2023, with 64. In 2025 that was about 1 in 28,950 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Harlan (26,980 babies since 1880), Harlyn (2,265 babies since 1880), Harleen (1,480 babies since 1880) and Harlynn (1,310 babies since 1880).