Londynn
Girl name · #1792 in 2025 · Uniqueness 83/100
Londynn ranks #1792 among American girls' names as of 2025, with 113 newborns given the name that year. A decade ago it stood at #1068, so the name has been falling over the past ten years. Roughly one in every 15,929 girls born in 2025 was named Londynn.
The 21-year story
Londynn first appears in the Social Security records in 2004, when 8 girls received the name. Its peak came in 2015, when 246 girls were named Londynn — good for #1068 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 Londynn per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Londynn against up to 5 other names.
Uniqueness: will there be another Londynn in class?
Londynn 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 Londynn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Londynn is most common
Geography matters for names, and Londynn is no exception. In 2025 the states with the most Londynns were TX (13), CA (9), GA (9), FL (6), LA (6). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Londynn
Statistically, parents drawn to Londynn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Evalynn, Adilynn, Acelynn, Rilynn, and Emmalynn.
EvalynnAdilynnAcelynnRilynnEmmalynnRylynnTaelynnAddilynn
Rank history (last 25 years)
| Year | Babies named Londynn | Rank |
|---|---|---|
| 2025 | 113 | #1777 |
| 2024 | 140 | #1529 |
| 2023 | 160 | #1402 |
| 2022 | 192 | #1251 |
| 2021 | 214 | #1146 |
| 2020 | 236 | #1055 |
| 2019 | 197 | #1193 |
| 2018 | 165 | #1367 |
| 2017 | 191 | #1244 |
| 2016 | 214 | #1173 |
| 2015 | 246 | #1068 |
| 2014 | 238 | #1074 |
| 2013 | 216 | #1121 |
| 2012 | 171 | #1364 |
| 2011 | 159 | #1427 |
| 2010 | 134 | #1611 |
| 2009 | 60 | #2892 |
| 2008 | 55 | #3084 |
| 2007 | 21 | #6323 |
| 2006 | 5 | #17168 |
| 2005 | 6 | #14502 |
| 2004 | 8 | #11624 |
Frequently asked questions
Is Londynn a popular girl name?
Londynn ranked #1792 among girls in 2025 with 113 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1068.
When was the name Londynn most popular?
Londynn peaked in 2015, when 246 American girls received the name (ranked #1068 that year). Since 2015 the name has declined from that high.
How rare is the name Londynn?
In 2025, roughly 1 in 15,929 newborn American girls was named Londynn. 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.