Londyn
Girl name · #388 in 2025 · Uniqueness 69/100
Londyn ranks #388 among American girls' names as of 2025, with 799 newborns given the name that year. A decade ago it stood at #160, so the name has been falling over the past ten years. Roughly one in every 2,253 girls born in 2025 was named Londyn.
The 36-year story
Londyn first appears in the Social Security records in 1989, when 8 girls received the name. Its peak came in 2014, when 2,095 girls were named Londyn — good for #154 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 Londyn per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Londyn against up to 5 other names.
Uniqueness: will there be another Londyn in class?
Londyn scores 69 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 Londyn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Londyn is most common
Geography matters for names, and Londyn is no exception. In 2025 the states with the most Londyns were TX (103), FL (62), GA (57), OH (44), CA (42). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Londyn
Statistically, parents drawn to Londyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Adelyn, Adalyn, Jordyn, Raelyn, and London.
AdelynAdalynJordynRaelynLondonGracelynTeaganAdelynn
Rank history (last 25 years)
| Year | Babies named Londyn | Rank |
|---|---|---|
| 2025 | 799 | #388 |
| 2024 | 1,013 | #305 |
| 2023 | 1,138 | #275 |
| 2022 | 1,349 | #223 |
| 2021 | 1,449 | #204 |
| 2020 | 1,743 | #163 |
| 2019 | 1,665 | #174 |
| 2018 | 1,590 | #187 |
| 2017 | 1,621 | #192 |
| 2016 | 1,824 | #178 |
| 2015 | 2,028 | #160 |
| 2014 | 2,095 | #154 |
| 2013 | 1,954 | #163 |
| 2012 | 1,621 | #196 |
| 2011 | 1,488 | #208 |
| 2010 | 1,119 | #290 |
| 2009 | 870 | #369 |
| 2008 | 612 | #508 |
| 2007 | 338 | #840 |
| 2006 | 230 | #1095 |
| 2005 | 141 | #1488 |
| 2004 | 106 | #1795 |
| 2003 | 75 | #2260 |
| 2002 | 73 | #2251 |
| 2001 | 45 | #3091 |
Frequently asked questions
Is Londyn a popular girl name?
Londyn ranked #388 among girls in 2025 with 799 babies given the name — inside the top 500: established but not ubiquitous. Ten years earlier it ranked #160.
When was the name Londyn most popular?
Londyn peaked in 2014, when 2,095 American girls received the name (ranked #154 that year). Since 2014 the name has declined from that high.
How rare is the name Londyn?
In 2025, roughly 1 in 2,253 newborn American girls was named Londyn. It scores 69/100 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.