Girls' name · peaked in 2014
Londyn name popularity since 1925
27,777 babies born in the US from 1925 to 2025 were named Londyn (98.1% girls, 1.9% boys). Half of them were born in 2016 or earlier, so the typical Londyn is about 10 years old in 2026. Londyn peaked in 2014 as the #154 name for girls, and it ranked #388 in 2025.
Key facts
- US babies since 1925
- 27,777
- Named Londyn, 1925–2025
- In 2025
- #388
- for girls in 2025 (799 babies)
- Girls / boys
- 98.1% girls
- 27,245 girls · 532 boys
- Most popular in
- Georgia
- 2.85× its national share
Peak year is the year Londyn made up the largest share of US girls, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.
Londyn births per year, 1925–2025
2014 was the biggest year for Londyn both by count and as a share of all babies.
- Fastest rise: Between 2005 and 2010, Londyn became 8.2× more common, from 1 in 13,100 baby girls to 1 in 1,590.
- Steepest fall: Between 2020 and 2025, its share of baby girls fell by 54%, from 1 in 927 to 1 in 2,010.
Shaded on the chart. Both compare Londyn's share of all US girls five years apart, counting only years with at least 100 babies named Londyn.
Decade by decade
Babies named Londyn in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Boys | Rank |
|---|---|---|---|
| 1925–29 | 0 | 0 | – |
| 1930s | 0 | 0 | Under 5 |
| 1940s | 0 | 0 | Under 5 |
| 1950s | 0 | 0 | Under 5 |
| 1960s | 0 | 0 | Under 5 |
| 1970s | 0 | 0 | Under 5 |
| 1980s | 8 | 0 | Under 5 |
| 1990s | 206 | 0 | #5,143 |
| 2000s | 2,535 | 118 | #1,491 |
| 2010s | 17,005 | 265 | #160 |
| 2020–25 | 7,491 | 149 | #388 |
Ranks count every name given to at least 5 girls that year, so they can go past 1,000. "Under 5" means fewer than 5 girls got the name.
Generation fingerprint
74.2% of babies named Londyn from 1925 to 2025 were born in the Gen Alpha years (2013–2025). The full split by generation:
Where Londyn is most popular
The index compares Londyn's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Londyn.
| State | Index | Babies |
|---|---|---|
| Georgia | 2.85× | 2,099 |
| Mississippi | 2.75× | 888 |
| Louisiana | 2.65× | 1,271 |
| South Carolina | 2.36× | 883 |
| Alabama | 2.05× | 967 |
Other spellings
Spellings that sound like Londyn and were given to at least 1,000 girls from 1925 to 2025, with the year each one was most popular.
| Spelling | Girls | Peak year |
|---|---|---|
| Londyn (this page) | 27,245 | 2014 |
| London | 44,455 | 2013 |
| Londynn | 3,141 | 2020 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Londyn's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Londyn.
Names from the same era
Other common names that peaked within two years of Londyn (2014).
Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data