Recorded 1916–2025 · United States
Harlo was most popular in 2023, when 78 American babies were given the name — ranking #4,190 that year. In 2025 it ranked #4,387, with 72 births. Across 1880–2025 the Social Security Administration has recorded 753 people named Harlo.
Across the whole record Harlo is a unisex name — 59.4% of the 753 Americans given it were girls and 40.6% were boys. It changed hands: since 2025 it has gone mainly to girls, having gone mainly to boys before that. In births since 2016 it is 68% girls and 32% boys.
Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.
See Harlo on the interactive charts
Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org