Arlo
Girl name · #2492 in 2025 · Very rare
How old is the name Arlo? In official American birth records, Arlo has been tracked continuously since 1929, giving it 96 years of documented American history.
Arlo is currently the #2492 girl name in the United States — 71 babies received it in 2025. A decade ago it stood at #4403, so the name has been rising over the past ten years. Roughly one in every 25,352 girls born in 2025 was named Arlo.
The 96-year story
Arlo first appears in the Social Security records in 1929, when 5 girls received the name. Its all-time peak is essentially right now: 2023, with 99 babies and a rank of #1984. 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 Arlo per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Arlo against up to 5 other names.
Uniqueness: will there be another Arlo in class?
On our rarity read — which blends how common Arlo is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Arlo will likely be the only one in the room, with the occasional spelling-out as the price.
Where Arlo is most common
State-level data for Arlo 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 Arlo
Statistically, parents drawn to Arlo tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Harlo, Lilo, Aiyla, Amila, and Aela.
HarloLiloAiylaAmilaAelaAmourAvilaAmaira
Rank history (last 25 years)
| Year | Babies named Arlo | Rank |
|---|---|---|
| 2025 | 71 | #2485 |
| 2024 | 84 | #2231 |
| 2023 | 99 | #1984 |
| 2022 | 95 | #2034 |
| 2021 | 97 | #1991 |
| 2020 | 89 | #2065 |
| 2019 | 75 | #2376 |
| 2018 | 68 | #2557 |
| 2017 | 40 | #3769 |
| 2016 | 56 | #2966 |
| 2015 | 32 | #4403 |
| 2014 | 20 | #6207 |
| 2013 | 14 | #8135 |
| 2012 | 9 | #11257 |
| 2011 | 13 | #8614 |
| 2010 | 6 | #14959 |
| 2008 | 5 | #17504 |
| 1934 | 5 | #4286 |
| 1932 | 7 | #3568 |
| 1929 | 5 | #4570 |
Frequently asked questions
How old is the name Arlo?
In official American birth records, the name Arlo first appeared in 1929 (over 96 years ago), when 5 newborn girls received the name. It has been tracked in modern national records for 96 years.
Is Arlo a popular girl name?
Arlo ranked #2492 among girls in 2025 with 71 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #4403.
When was the name Arlo most popular?
Arlo peaked in 2023, when 99 American girls received the name (ranked #1984 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Arlo?
In 2025, roughly 1 in 25,352 newborn American girls was named Arlo. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.