In 2025, 57 US boys were named Hart, making it the 2,403rd most common boys’ name of the year, up 525 places from #2,928 in 2024. That is 14 more than the 43 boys named Hart in 2024. Its best rank for boys was #970, reached in 1888. The most boys given the name in a single year was 57, in 2025. For comparison, it was #4,781 in 2015 and #3,471 in 1950.
In 2025, 9 US girls were named Hart, making it the 10,398th most common girls’ name of the year, up 2,248 places from #12,646 in 2024. That is 2 more than the 7 girls named Hart in 2024. Its best rank for girls was #9,124, reached in 1987. The most girls given the name in a single year was 11, in 2022. For comparison, it was #17,432 in 2015 and unranked in 1950.
Social Security card records list Hart in 102 years of the 146 from 1880 to 2025, starting in 1888 with 6 babies. In all, 1,299 US babies have been given the name, 6.8% of them girls and 93% boys. Its busiest decade was the 2020s, with 321 babies named Hart.
Over the 10 years from 2016 to 2025, 382 US boys were named Hart; the busiest of those years was 2025, with 57. In 2025 that was about 1 in 29,966 of the boys in SSA’s list for the year.
Among the states, Hart ranked highest in Colorado in 2025, at #801 for boys there. It was not in the top 100 of any state.