Erin
Girl name · #833 in 2025 · Uniqueness 73/100
In 2025, 327 baby girls were named Erin, placing it at #833 in the official national rankings. A decade ago it stood at #335, so the name has been falling over the past ten years. Roughly one in every 5,505 girls born in 2025 was named Erin.
The 137-year story
Erin first appears in the Social Security records in 1888, when 5 girls received the name. Its peak came in 1983, when 14,836 girls were named Erin — good for #18 that year. Today's parents encounter it as a name from their grandparents’ generation, which is precisely the vintage window from which names get revived. 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 Erin per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Erin against up to 5 other names.
Uniqueness: will there be another Erin in class?
Erin scores 73 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 Erin will likely be the only one in the room, with the occasional spelling-out as the price.
Where Erin is most common
Geography matters for names, and Erin is no exception. In 2025 the states with the most Erins were CA (31), TX (28), NY (25), FL (18), NJ (17). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Erin
Statistically, parents drawn to Erin tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Erica, Erika, Jamie, Megan, and Cara.
EricaErikaJamieMeganCaraAlisonKaraKatie
Rank history (last 25 years)
| Year | Babies named Erin | Rank |
|---|---|---|
| 2025 | 327 | #833 |
| 2024 | 352 | #798 |
| 2023 | 451 | #651 |
| 2022 | 427 | #686 |
| 2021 | 527 | #575 |
| 2020 | 581 | #521 |
| 2019 | 650 | #485 |
| 2018 | 743 | #417 |
| 2017 | 777 | #408 |
| 2016 | 925 | #355 |
| 2015 | 974 | #335 |
| 2014 | 1,022 | #324 |
| 2013 | 1,168 | #275 |
| 2012 | 1,235 | #263 |
| 2011 | 1,350 | #234 |
| 2010 | 1,441 | #216 |
| 2009 | 1,696 | #194 |
| 2008 | 2,064 | #164 |
| 2007 | 2,477 | #141 |
| 2006 | 2,644 | #131 |
| 2005 | 2,908 | #112 |
| 2004 | 3,367 | #95 |
| 2003 | 3,926 | #80 |
| 2002 | 4,145 | #72 |
| 2001 | 4,958 | #60 |
Frequently asked questions
Is Erin a popular girl name?
Erin ranked #833 among girls in 2025 with 327 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #335.
When was the name Erin most popular?
Erin peaked in 1983, when 14,836 American girls received the name (ranked #18 that year). Since 1983 the name has declined from that high.
How rare is the name Erin?
In 2025, roughly 1 in 5,505 newborn American girls was named Erin. It scores 73/100 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.