Londyn
Feminine · “From London”
Londyn is overwhelmingly a girls’ name — 27,245 girls against 532 boys since 1880. See Londyn as a boy name
Londyn is one of the oldest place names in Europe wearing a modern spelling: Roman writers already called the city Londinium in the first century AD, and Old English speakers knew it as Lunden. Said aloud it is simply the city — two beats, the second soft and unstressed. The final -yn is the American touch, the same swap that turned Jocelyn and Brooklyn into familiar sights on a class list.
How old is the name Londyn?
Londyn first appears in US birth records in 1989 — 36 years ago. The typical Londyn is a kid of about 9 — this name's wave is very recent. About 27,000 people named Londyn are estimated to be alive in the US today.
When was the name Londyn most popular?
Londyn peaked in 2014, reaching #154 nationally. Today it ranks #388, 234 places below that high. See the whole 2014 chart.
Lists built from the same records:
Where it comes from
From Londinium to Londyn
The story of Londyn
London appears in Roman records as Londinium and in Old English as Lunden, a name that outlasted both of the empires that wrote it down. English speakers have long handed place names to children, usually by way of surnames, and the city itself joined that traffic as a first name in the United States in the late twentieth century, in company with Brooklyn and Paris. Londyn is the respelled branch of that line, trading the final -on for the -yn that names like Katelyn and Brooklyn had already made ordinary to American eyes. Its use has been strongest in the South — Texas, Georgia and Florida carry it most.
Meaning
From London, the English capital
What Londyn refers to is plain. What the city's own name once meant is the unsettled part: Londinium is pre-Roman and most likely Brittonic, and scholars have not agreed on a reading — a personal name Londinos and words describing the river or its flood-prone ground both have serious support.
How the name formed
- Londinium
- Lunden
- London
- Londyn
Related forms: London · Londynn · Londen · Londin
Pronouncing Londyn
LUN-din
Exactly the city: stress on the first syllable, the second one soft. Nobody will need to be told how to say it — only how to write it.
Nicknames for Londyn
High
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 1989
- Most girls named
- 20142,095 — the highest on record
- Peak rank
- #154reached in 2014
- Change vs 2024
- −21.1%799 in 2025, from 1,013
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Londyn in other languages
The same name elsewhere
- London in English — spelling variant
- Londynn in English — spelling variant
- Londen in English — spelling variant
- Londin in English — spelling variant
Strongest US states over the last decade: Texas, Georgia, Florida.
Londyns among us
people named Londyn are estimated to be alive in the US today
About 1 girl in 2,012 born in 2025 was named Londyn
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Londyn
- #388
- Londyn on the 2025 chart
- #339
- counting every spelling
The SSA counts spellings, not names. Londyn went to 799 girls in 2025, but Londynn is the same name said out loud. Together the 2 spellings went to 912, which makes it the 339th most-given girls’ name of the year — 49 places above the chart.
- Londyn799
- Londynn113
About 1 girl in 1,762 born in 2025 was given one of these spellings — against 1 in 2,012 for Londyn itself.
Spellings are grouped by a fixed rule that folds interchangeable English spellings of one sound (ck/k, ph/f, x/ks, a non-initial y for i) and keeps vowels apart, so Sean and Shawn stay separate names. It errs towards splitting: a family here is never larger than the truth. SSA national data, 2025. Method
Is it right for you
What happens to a name after it peaks
The Kirsten test
Every popular name lives one long story — a climb, a peak, a slow settling back. Londyn's later chapters haven't been written yet, so we borrowed them: Kirsten climbed just as high around 1991, and its whole arc is on record. Line the two peaks up, and Kirsten's path sketches the road Londyn is walking now.
Londyn sits in the calm middle of the cycle — neither chasing a wave nor sliding off one. Middle-of-the-cycle names age slowly and predictably.
A scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored
Where Londyn is headed
Londyn is easing off slowly — about 18% fewer babies a year by 2030 if the trend continues.
Medium confidence — fitted on official counts through 2025.
A damped-trend projection of the official birth data — a sketch of momentum, not a promise. Every name's forecast, ranked.
Londyn beside its neighbors
The names ranked closest to Londyn in 2025, in babies rather than position — the bars are to scale.
US girls given each name in 2025.
The trade-off
- Everyone already knows the sound, because the city carries it. There is no pronunciation to teach, at home or abroad.
- Two clean syllables with a familiar -yn ending, so it sits easily beside classmates' names on a list.
- Established informal short forms in real use — Lo, Lon, Lonnie — for a name that is otherwise said in full.
- Recognizable in any English-speaking country, and the city's name is known far beyond them.
- London is the default spelling of the word, so Londyn will be corrected to it for life — on forms, in emails, by teachers who mean well. It is a one-second fix each time, but it is a lifetime of one-second fixes.
- A city name invites a question: people will assume a family connection to London and sometimes ask about it. Some families have one and enjoy the telling; others will want an easy answer ready.
- This name's whole wave is recent, so nearly everyone carrying it is still a child. It reads as contemporary rather than inherited, and there are few grown Londyns to point to.
- The -yn spelling belongs to a specific era of American naming, which will date it in the way every spelling fashion eventually dates — pleasantly for some ears, less so for others.
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What they receive
Someone added a name to your list
Londyn
Feminine · #388 in the U.S.
Frequently asked
- How many Londyns are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 27,000 people named Londyn are estimated to be alive in the US today.
- How do you spell Londyn?
- Londyn is the most-used spelling in US records — 799 of the 912 babies given the name in 2025. The others recorded are Londynn.
- How popular is the name Londyn in 2025?
- Londyn ranks #388 among US girl names in 2025, with 799 babies given the name.
- How rare is the name Londyn?
- About 1 in every 2,012 US girls born in 2025 was named Londyn — 799 in all.
- Will my child share the name Londyn with classmates?
- Londyn will almost certainly be the only one in school.
Ranked beside Londyn
Names sitting at a similar level of popularity right now.
Carmen#389 · Kalani#387 · Sunny#389 · Liana#385 · Kira#385 · Florence#391 · Kaliyah#392 · Blaire#384
Looking for what else is popular rather than what resembles Londyn? See the current top 100.
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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