Westlyn
Girl name · #4653 in 2025 · Uniqueness 83/100
Westlyn is currently the #4653 girl name in the United States — 30 babies received it in 2025. A decade ago it stood at #16419, so the name has been rising over the past ten years. Roughly one in every 60,000 girls born in 2025 was named Westlyn.
The 10-year story
Westlyn first appears in the Social Security records in 2015, when 5 girls received the name. Its peak came in 2017, when 109 girls were named Westlyn — good for #1863 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 Westlyn per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Westlyn against up to 5 other names.
Uniqueness: will there be another Westlyn in class?
Westlyn scores 83 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "rare" band. A high score means genuine rarity — your Westlyn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Westlyn is most common
State-level data for Westlyn is sparse in 2025 — the name's footprint is too small for most states to report (the SSA suppresses counts under 5 per state for privacy).
Names like Westlyn
Statistically, parents drawn to Westlyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Weslyn, Haelyn, Harlyn, Kaislyn, and Dawsyn.
WeslynHaelynHarlynKaislynDawsynLaiklynBrecklynAvacyn
Rank history (last 25 years)
| Year | Babies named Westlyn | Rank |
|---|---|---|
| 2025 | 30 | #4546 |
| 2024 | 10 | #9556 |
| 2023 | 18 | #6409 |
| 2022 | 27 | #4907 |
| 2021 | 39 | #3801 |
| 2020 | 37 | #3841 |
| 2019 | 53 | #3043 |
| 2018 | 101 | #1953 |
| 2017 | 109 | #1863 |
| 2016 | 24 | #5445 |
| 2015 | 5 | #16419 |
Frequently asked questions
Is Westlyn a popular girl name?
Westlyn ranked #4653 among girls in 2025 with 30 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #16419.
When was the name Westlyn most popular?
Westlyn peaked in 2017, when 109 American girls received the name (ranked #1863 that year). Since 2017 the name has declined from that high.
How rare is the name Westlyn?
In 2025, roughly 1 in 60,000 newborn American girls was named Westlyn. It scores 83/100 on our uniqueness scale (rarity blended with momentum), which we classify as "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.