Adelyn
Girl name · #356 in 2025 · Distinctive
Adelyn ranks #356 among American girls' names as of 2025, with 851 newborns given the name that year. A decade ago it stood at #196, so the name has been falling over the past ten years. Roughly one in every 2,115 girls born in 2025 was named Adelyn.
Babies named Adelyn per year. Source: SSA.
The 126-year story
Adelyn first appears in the Social Security records in 1899, when 5 girls received the name. Its peak came in 2015, when 1,680 girls were named Adelyn — good for #196 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 Adelyn against up to 5 other names.
Uniqueness: will there be another Adelyn in class?
On our rarity read — which blends how common Adelyn is today with its five-year momentum — the name reads as "distinctive". That middle band is the sweet spot many parents hunt for: recognizable without being everywhere.
Where Adelyn is most common
Geography matters for names, and Adelyn is no exception. Adjusted for how many girls are born in each state, Adelyn is most common in KS (1.3 per 1,000), NV (1.2 per 1,000), MS (1.1 per 1,000), MN (1 per 1,000), CO (0.9 per 1,000) — against a national average of about 0.7 per 1,000 girls. These are per-capita rates, so they show where Adelyn is a genuine regional favorite rather than just where the most babies are born.
Nicknames & related forms of Adelyn
Adelyn belongs to the Adeline family — closely related nicknames and spellings of the same name.
Counted as one name, the Adeline family went to about 6,337 girls in 2025 — together they'd rank around #21, versus #356 for Adelyn alone.
Names like Adelyn
Statistically, parents drawn to Adelyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Adalyn, Raelyn, Addilyn, Gracelyn, and Londyn.
AdalynRaelynAddilynGracelynLondynMadilynJazlynAdelynn
Rank history (last 25 years)
| Year | Babies named Adelyn | Rank |
|---|---|---|
| 2025 | 851 | #355 |
| 2024 | 978 | #314 |
| 2023 | 974 | #320 |
| 2022 | 1,102 | #287 |
| 2021 | 1,248 | #246 |
| 2020 | 1,261 | #238 |
| 2019 | 1,295 | #247 |
| 2018 | 1,384 | #227 |
| 2017 | 1,519 | #204 |
| 2016 | 1,672 | #194 |
| 2015 | 1,680 | #196 |
| 2014 | 1,674 | #198 |
| 2013 | 1,506 | #212 |
| 2012 | 1,351 | #236 |
| 2011 | 1,057 | #299 |
| 2010 | 835 | #380 |
| 2009 | 778 | #408 |
| 2008 | 527 | #589 |
| 2007 | 335 | #847 |
| 2006 | 245 | #1045 |
| 2005 | 176 | #1273 |
| 2004 | 137 | #1470 |
| 2003 | 127 | #1526 |
| 2002 | 78 | #2142 |
| 2001 | 77 | #2126 |
Frequently asked questions
Is Adelyn a popular girl name?
Adelyn ranked #356 among girls in 2025 with 851 babies given the name — inside the top 500: established but not ubiquitous. Ten years earlier it ranked #196.
When was the name Adelyn most popular?
Adelyn peaked in 2015, when 1,680 American girls received the name (ranked #196 that year). Since 2015 the name has declined from that high.
How rare is the name Adelyn?
In 2025, roughly 1 in 2,115 newborn American girls was named Adelyn. On our rarity scale (rarity blended with momentum) we classify it as "distinctive".
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.