In 2025, 17 US girls were named Harriett, making it the 6,641st most common girls’ name of the year, up 4,832 places from #11,473 in 2024. That is 9 more than the 8 girls named Harriett in 2024. Its best rank for girls was #156, reached in 1880. The most girls given the name in a single year was 585, in 1920. For comparison, it was #10,400 in 2015 and #514 in 1950.
Social Security card records list Harriett in 141 years of the 146 from 1880 to 2025, starting in 1880 with 83 babies. In all, 21,626 US babies have been given the name, all of them girls. Its busiest decade was the 1920s, with 4,602 babies named Harriett.
Over the 10 years from 2016 to 2025, 109 US girls were named Harriett; the busiest of those years was 2025, with 17. In 2025 that was about 1 in 94,545 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Harriet (90,427 babies since 1880) and Harriette (8,740 babies since 1880). Rarer spellings such as Harryette are summarised on this page.