Londyn
Londyn was the 388th most popular name for girls in 2025, given to 799 babies. Its best year was 2014, when it ranked 154th with 2,095 babies. Over the last ten years it has moved down 228 places. More babies were named Londyn in the 2010s than in any other decade.
Meaning Origin not documented
Say it LUN-din /ˈlʌndən/
- Rank in 2025
- #388 girls, down 225 places since 2020
- Babies in 2025
- 799girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 20142,095 babies
- Total since 1880
- 27,777babies recorded
What does the name Londyn mean?
Londyn is a modern American spelling of London, the capital of England, used as a girl's name since the late 1990s. The city's name is ancient, recorded by the Romans as Londinium, and its origin is not known; several pre-Roman Celtic explanations have been proposed but none is accepted. The y spelling follows the trend of names such as Brooklyn and Jordyn.
How sure is this? Not documented. A respelling of London; the place name itself has no established etymology.
Related names: London.
Sources for this meaning
- Wiktionary, entry 'London', Wiktionary (Wikimedia Foundation)
- US Social Security Administration, national baby-name data 1880-2025 (usage history only), US Social Security Administration
Londyn popularity since 1880
A few boys are given the name too: 532 since 2001, 13 in 2025.
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #388 | 799 |
| 2020 | #163 | 1,743 |
| 2010 | #290 | 1,119 |
| 2000 | #3,104 | 45 |
| 1990 | — | — |
| 1980 | — | — |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Londyn, counting every spelling?
Londyn is the most common spelling of a name family that ranked #212 for girls in 2025 once every spelling is counted together, compared with #388 for Londyn on its own. Together these spellings went to 1,631 girls in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Londyn | 799 | #388 | 5,748 |
| London | 719 | #431 | 5,018 |
| Londynn | 113 | #1,789 | 819 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Londyn?
799 of the 3,606,400 babies born in the US in 2025 were named Londyn (0.22 per 1,000 births). For a girl named Londyn born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 10 (of 430 pupils) would have a child named Londyn.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Londyn?
About 27,100 people born in the US named Londyn are alive today, with a median age of 10; half are between 6 and 14. That makes Londyn a young name: most people with it are children.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Londyn by state
How common Londyn was among girls born in each state in 2021–2025. It is notably more common than nationally in Mississippi (5.9×), Louisiana (4.0×), Alabama (3.1×), South Carolina (3.0×), Georgia (2.7×). It is least common, relative to the national rate, in Idaho, Oregon, California.
Names with a similar history
These names rose and fell in step with Londyn: their share of US girls followed the most similar curve since 1880. If you like Londyn, they share its era and feel.
Middle names for Londyn · Sibling names for Londyn
Questions about the name Londyn
How popular is the name Londyn?
Londyn was the 388th most popular name for girls in 2025, given to 799 babies. Its best year was 2014, when it ranked 154th with 2,095 babies. Over the last ten years it has moved down 228 places. More babies were named Londyn in the 2010s than in any other decade.
Is Londyn a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Londyn in the US.
Where is Londyn most popular?
In 2021–2025, Londyn was most common in Mississippi (4.19 per 1,000 girls), followed by Louisiana and Alabama.