Addilyn
Girl name · #991 in 2025 · Uniqueness 80/100
In 2025, 256 baby girls were named Addilyn, placing it at #991 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 7,031 girls born in 2025 was named Addilyn.
Babies named Addilyn per year, 1880–2025. Source: SSA.
The 26-year story
Addilyn first appears in the Social Security records in 1999, when 5 girls received the name. Its peak came in 2016, when 1,040 girls were named Addilyn — good for #312 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 Addilyn against up to 5 other names.
Uniqueness: will there be another Addilyn in class?
Addilyn scores 80 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 Addilyn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Addilyn is most common
Geography matters for names, and Addilyn is no exception. In 2025 the states with the most Addilyns were TX (24), NC (16), GA (13), FL (12), OH (11). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Addilyn
Statistically, parents drawn to Addilyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Avalyn, Addalyn, Addelyn, Emmalyn, and Adelyn.
AvalynAddalynAddelynEmmalynAdelynRoselynEvalynRaelyn
Rank history (last 25 years)
| Year | Babies named Addilyn | Rank |
|---|---|---|
| 2025 | 256 | #987 |
| 2024 | 365 | #772 |
| 2023 | 376 | #749 |
| 2022 | 520 | #575 |
| 2021 | 750 | #420 |
| 2020 | 652 | #469 |
| 2019 | 615 | #512 |
| 2018 | 875 | #359 |
| 2017 | 825 | #376 |
| 2016 | 1,040 | #312 |
| 2015 | 974 | #335 |
| 2014 | 570 | #543 |
| 2013 | 440 | #640 |
| 2012 | 404 | #695 |
| 2011 | 342 | #790 |
| 2010 | 264 | #967 |
| 2009 | 211 | #1192 |
| 2008 | 137 | #1642 |
| 2007 | 101 | #2015 |
| 2006 | 49 | #3316 |
| 2005 | 39 | #3730 |
| 2004 | 18 | #6489 |
| 2003 | 18 | #6299 |
| 2001 | 11 | #8758 |
| 1999 | 5 | #14411 |
Frequently asked questions
Is Addilyn a popular girl name?
Addilyn ranked #991 among girls in 2025 with 256 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #335.
When was the name Addilyn most popular?
Addilyn peaked in 2016, when 1,040 American girls received the name (ranked #312 that year). Since 2016 the name has declined from that high.
How rare is the name Addilyn?
In 2025, roughly 1 in 7,031 newborn American girls was named Addilyn. It scores 80/100 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.