Harlo
60% girls · 40% boys
About Harlo
With Harlow in the Top 1000 for girls and rhyming Marlo on the rise for boys, this member of the -arlo- family has also gained attention in recent years. With its no-frills spelling and similarity to Milo, and Harvey, it might appeal to parents who want something modern, unisex, and concise.
Harlo for boys#3793 US
It was given to 35 boys and 26 girls in a recent year, meaning it was split roughly 60:40 between the sexes. In comparison, the Harlow and Harlowe spellings ranked were used for girls nearly 90% of the time.
Harlo for girls#3538 US
With Harlow in the US Top 1000 and soundalikes, Willow, Halo, Marlo/w/e and Arlo/we on the rise, this contracted form saw more interest in 2023 for boys and girls.
Pronounced HAR-lo.
As of October 2026, Harlo ranked #3793 for boys and #3538 for girls in US births in 2025 SSA, peaked at #2388 for boys in 1938 and #3395 for girls in 2023.
Popularity & trends
Data table
| Year | US rank · boys | Births · boys | US rank · girls | Births · girls |
|---|---|---|---|---|
| 2014 | — | 0 | — | 0 |
| 2015 | — | 0 | — | 0 |
| 2016 | — | 0 | — | 0 |
| 2017 | — | 0 | — | 0 |
| 2018 | — | 0 | — | 0 |
| 2019 | — | 0 | #3,870 | 38 |
| 2020 | — | 0 | #4,386 | 31 |
| 2021 | #4,989 | 19 | #4,048 | 36 |
| 2022 | #4,763 | 21 | #4,955 | 27 |
| 2023 | #3,652 | 31 | #3,395 | 47 |
| 2024 | #3,342 | 35 | — | 0 |
| 2025 | #3,793 | 29 | #3,538 | 43 |