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Londynn

#1,789 in 2025Girls' name

Variant of London

Londynn has been given to 3,141 babies in the U.S. since 2004. In 2025 it ranked #1,789 of 17,293 girls’ names in use. Its peak year was 2015, with 246 recorded.

Babies named Londynn, 2025

1 in 29,300

Londynn over time, 1880–2025

Girls
010020030018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Londynn: meaning, origin, and history

Variant of London

Deeper origin not confirmed in the cited records

What Londynn means

Londynn is a variant of London.

Origin, language, and formation

Londynn is used in English.

Related names and everyday forms

Related names include London.

American usage and historical context

In the United States, 3,141 girls were recorded with the name Londynn between 2004 and 2025. Its highest annual count was 246 in 2015; its best national rank was #1,057 in 2020.

Over 5 years its rank fell, from #1,057 in 2020 to #1,789 in 2025. Over 10 years its rank fell, from #1,069 in 2015 to #1,789 in 2025.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Londynn?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 29,300
113 of 3,315,165 births
Among girls only
1 in 14,200
<0.01% of girls
Rank, 2025
#1,789
of 17,293 girls’ names in use
Coin-flip room size
20,337 kids
Even odds of a second one

Where Londynn sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 5002%

Put another way: gather 20,337 children born in 2025 and it's an even bet that one of them is another Londynn. In a class of 30 the chance is Under 1%.

When Londynns were born

Half of everyone ever recorded as Londynn was born before 2017 — so the typical Londynn is around 8 today.

Median birth year
2017
About 8 years old
Biggest decade
2010s
61.5% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
3,141
People you could plausibly meet
Choose a decade

2010s — 61.5% of all recorded uses (1,931).

Is Londynn rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−256
Places dropped
Rank vs 5 years ago
−732
Places dropped
Rank vs 10 years ago
−720
Places dropped
Births vs 10 years ago
0.46×
Fewer babies than then
Share of its own peak
45.9%
Peak was 2015 (246)
Years since peak
10
Years
Year-to-year steadiness
Volatile
42.1% average annual change
Best rank ever
#1,057
2020

Spellings of Londynn

Londynn is not the most common spelling — London is, with 53.9% against Londynn's 3.8%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Londynn is used

Across 2016–2025, Londynn was most concentrated in Mississippi — about 1 in 1,351 girls, against 1 in 7,930 across all states with data. It was least common in Washington (1 in 50,000).

274 per 100,000

Most concentrated

  1. 1Mississippi1 in 1,351
  2. 2Louisiana1 in 2,326
  3. 3Alabama1 in 2,857
  4. 4Georgia1 in 3,571
  5. 5South Carolina1 in 3,846
  6. 6Missouri1 in 4,167
  7. 7Tennessee1 in 4,762
  8. 8Ohio1 in 5,000

Shading is the share of that state's recorded girls given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings.

Londynn around the world

Where Londynn ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • Canada
    2012–2012
    #3,249
    in 2012

Popularity data from Statistics Canada. StatCan data under Statistics Canada Open Licence.

Londynn by the numbers

The raw record for each sex the name is used for.

As a girl's name

Rank in 2025
#1,789
Trend vs 5 yrs ago
Down 732
Best rank ever
#1,057
2020
Peak year
2015
246 that year
First recorded
2004
Last recorded
2025
All-time count
3,141
Count in 2025
113

Names similar to Londynn

Matched on shared beginnings and endings, similar length, and comparable popularity.

AdilynnJoslynnSkylynnMaelynnJaclynnAislynnEvalynnRaylynnLonnieJaslynnJailynnAvalynnKailynnKaelynnJordynnTaelynnIrelynnRylynnTaylynnRoselynnRoslynnRosalynnHarlynnAcelynn

Names with a curve like Londynn

Not spelling — timing. These names rose, peaked and faded in the same years as Londynn, so they read as being from the same moment even when they look nothing alike.

RylynnZivaBrynleyRayleighKinzleyRilynnAddalynAnnistonEisleyEvalynnHartleyMilah

Sibling names for Londynn

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Londynn

Top names of 2015, Londynn's peak yearThe 2010s in fullOther names that peaked in 2020Girls' names starting with L