Harlo
Girl name · #3567 in 2025 · Very rare
Harlo ranks #3567 among American girls' names as of 2025, with 43 newborns given the name that year. A decade ago it stood at #6721, so the name has been rising over the past ten years. Roughly one in every 41,860 girls born in 2025 was named Harlo.
The 17-year story
Harlo first appears in the Social Security records in 2008, when 10 girls received the name. Its all-time peak is essentially right now: 2023, with 47 babies and a rank of #3386. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Harlo per year. Source: SSA.
Unlock the 5-year forecast and compare Harlo against up to 5 other names.
Uniqueness: will there be another Harlo in class?
On our rarity read — which blends how common Harlo is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Harlo will likely be the only one in the room, with the occasional spelling-out as the price.
Where Harlo is most common
State-level data for Harlo is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Harlo
Statistically, parents drawn to Harlo tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Arlo, Lilo, Harlan, Husna, and Hazely.
ArloLiloHarlanHusnaHazelyHalenHayzelHayat
Rank history (last 25 years)
| Year | Babies named Harlo | Rank |
|---|---|---|
| 2025 | 43 | #3517 |
| 2024 | 26 | #5021 |
| 2023 | 47 | #3386 |
| 2022 | 27 | #4907 |
| 2021 | 36 | #4014 |
| 2020 | 31 | #4358 |
| 2019 | 38 | #3851 |
| 2018 | 21 | #5785 |
| 2017 | 22 | #5661 |
| 2016 | 18 | #6663 |
| 2015 | 18 | #6721 |
| 2014 | 21 | #5993 |
| 2013 | 12 | #9036 |
| 2012 | 16 | #7456 |
| 2011 | 23 | #5728 |
| 2010 | 21 | #6182 |
| 2009 | 17 | #7341 |
| 2008 | 10 | #10807 |
Frequently asked questions
Is Harlo a popular girl name?
Harlo ranked #3567 among girls in 2025 with 43 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #6721.
When was the name Harlo most popular?
Harlo peaked in 2023, when 47 American girls received the name (ranked #3386 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Harlo?
In 2025, roughly 1 in 41,860 newborn American girls was named Harlo. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.