Harlyn
Girl name · #2150 in 2025 · Very rare
Harlyn is currently the #2150 girl name in the United States — 87 babies received it in 2025. A decade ago it stood at #2408, so the name has been rising over the past ten years. Roughly one in every 20,690 girls born in 2025 was named Harlyn.
The 20-year story
Harlyn first appears in the Social Security records in 2005, when 7 girls received the name. Its peak came in 2017, when 221 girls were named Harlyn — good for #1128 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. 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 Harlyn per year. Source: SSA.
Unlock the 5-year forecast and compare Harlyn against up to 5 other names.
Uniqueness: will there be another Harlyn in class?
On our rarity read — which blends how common Harlyn is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Harlyn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Harlyn is most common
State-level data for Harlyn 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 Harlyn
Statistically, parents drawn to Harlyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Weslyn, Hollyn, Blakelyn, Haelyn, and Avalyn.
WeslynHollynBlakelynHaelynAvalynAddalynEverlynHarlynn
Rank history (last 25 years)
| Year | Babies named Harlyn | Rank |
|---|---|---|
| 2025 | 87 | #2139 |
| 2024 | 160 | #1398 |
| 2023 | 163 | #1377 |
| 2022 | 134 | #1583 |
| 2021 | 119 | #1730 |
| 2020 | 127 | #1632 |
| 2019 | 131 | #1614 |
| 2018 | 187 | #1243 |
| 2017 | 221 | #1128 |
| 2016 | 203 | #1214 |
| 2015 | 76 | #2408 |
| 2014 | 42 | #3652 |
| 2013 | 44 | #3513 |
| 2012 | 36 | #4121 |
| 2011 | 34 | #4244 |
| 2010 | 21 | #6182 |
| 2009 | 24 | #5709 |
| 2008 | 20 | #6559 |
| 2007 | 7 | #13924 |
| 2005 | 7 | #13010 |
Frequently asked questions
Is Harlyn a popular girl name?
Harlyn ranked #2150 among girls in 2025 with 87 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2408.
When was the name Harlyn most popular?
Harlyn peaked in 2017, when 221 American girls received the name (ranked #1128 that year). Since 2017 the name has declined from that high.
How rare is the name Harlyn?
In 2025, roughly 1 in 20,690 newborn American girls was named Harlyn. 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.