Arwyn
Girl name · #3414 in 2025 · Very rare
How old is the name Arwyn? In official American birth records, Arwyn has been tracked continuously since 1978, giving it 47 years of documented American history.
Arwyn is currently the #3414 girl name in the United States — 45 babies received it in 2025. A decade ago it stood at #5288, so the name has been rising over the past ten years. Roughly one in every 40,000 girls born in 2025 was named Arwyn.
Babies named Arwyn per year. Source: Official national birth records.
The 47-year story
Arwyn first appears in the Social Security records in 1978, when 5 girls received the name. Its all-time peak is essentially right now: 2025, with 45 babies and a rank of #3389. 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.
Unlock the 5-year forecast and compare Arwyn against up to 5 other names.
Uniqueness: will there be another Arwyn in class?
On our rarity read — which blends how common Arwyn is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Arwyn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Arwyn is most common
State-level data for Arwyn 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 Arwyn
Statistically, parents drawn to Arwyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Eowyn, Acelyn, Afnan, Edelyn, and Havyn.
EowynAcelynAfnanEdelynHavynAdelinEllawynAzlyn
Rank history (last 25 years)
| Year | Babies named Arwyn | Rank |
|---|---|---|
| 2025 | 45 | #3389 |
| 2024 | 43 | #3575 |
| 2023 | 33 | #4276 |
| 2022 | 35 | #4108 |
| 2021 | 34 | #4167 |
| 2020 | 29 | #4548 |
| 2019 | 35 | #4072 |
| 2018 | 23 | #5454 |
| 2017 | 20 | #6044 |
| 2016 | 37 | #3996 |
| 2015 | 25 | #5288 |
| 2014 | 25 | #5310 |
| 2013 | 29 | #4755 |
| 2012 | 30 | #4707 |
| 2011 | 20 | #6335 |
| 2010 | 14 | #8271 |
| 2009 | 19 | #6811 |
| 2008 | 26 | #5434 |
| 2007 | 25 | #5526 |
| 2006 | 17 | #7142 |
| 2005 | 27 | #4828 |
| 2004 | 32 | #4287 |
| 2003 | 18 | #6299 |
| 2002 | 13 | #7816 |
| 1985 | 5 | #10677 |
Frequently asked questions
How old is the name Arwyn?
In official American birth records, the name Arwyn first appeared in 1978 (over 47 years ago), when 5 newborn girls received the name. It has been tracked in modern national records for 47 years.
Is Arwyn a popular girl name?
Arwyn ranked #3414 among girls in 2025 with 45 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #5288.
When was the name Arwyn most popular?
Arwyn peaked in 2025, when 45 American girls received the name (ranked #3389 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Arwyn?
In 2025, roughly 1 in 40,000 newborn American girls was named Arwyn. 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.