Irelyn
Girl name · #4419 in 2025 · Uniqueness 96/100
In 2025, 32 baby girls were named Irelyn, placing it at #4419 in the official national rankings. A decade ago it stood at #2712, so the name has been falling over the past ten years. Roughly one in every 56,250 girls born in 2025 was named Irelyn.
Babies named Irelyn per year, 1880–2025. Source: SSA.
The 29-year story
Irelyn first appears in the Social Security records in 1996, when 7 girls received the name. Its peak came in 2008, when 176 girls were named Irelyn — good for #1368 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.
Unlock the 5-year forecast and compare Irelyn against up to 5 other names.
Uniqueness: will there be another Irelyn in class?
Irelyn scores 96 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 Irelyn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Irelyn is most common
State-level data for Irelyn 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 Irelyn
Statistically, parents drawn to Irelyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Keilyn, Taylyn, Emilyn, Rilyn, and Cailyn.
KeilynTaylynEmilynRilynCailynDaelynFallynAzlyn
Rank history (last 25 years)
| Year | Babies named Irelyn | Rank |
|---|---|---|
| 2025 | 32 | #4352 |
| 2024 | 45 | #3459 |
| 2023 | 45 | #3476 |
| 2022 | 45 | #3470 |
| 2021 | 61 | #2784 |
| 2020 | 82 | #2196 |
| 2019 | 70 | #2508 |
| 2018 | 60 | #2810 |
| 2017 | 55 | #2964 |
| 2016 | 78 | #2385 |
| 2015 | 65 | #2712 |
| 2014 | 79 | #2323 |
| 2013 | 71 | #2508 |
| 2012 | 62 | #2805 |
| 2011 | 73 | #2483 |
| 2010 | 93 | #2118 |
| 2009 | 132 | #1687 |
| 2008 | 176 | #1368 |
| 2007 | 62 | #2890 |
| 2006 | 43 | #3617 |
| 2005 | 32 | #4267 |
| 2004 | 33 | #4172 |
| 2003 | 18 | #6299 |
| 2002 | 19 | #5897 |
| 2001 | 23 | #5009 |
Frequently asked questions
Is Irelyn a popular girl name?
Irelyn ranked #4419 among girls in 2025 with 32 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2712.
When was the name Irelyn most popular?
Irelyn peaked in 2008, when 176 American girls received the name (ranked #1368 that year). Since 2008 the name has declined from that high.
How rare is the name Irelyn?
In 2025, roughly 1 in 56,250 newborn American girls was named Irelyn. It scores 96/100 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.