Baby Names US
girls' name ★ peaked 2015

Londynn

Meaning Modern variant of London, influenced by Lynn Gender Girl Rank 2025 #1,789 Trend ↓ Falling 29%

Modern variant of London, influenced by Lynn.

Rank 2025
#1,789
among girls · ↓256 vs 2024
Babies in 2025
113
named Londynn · -19% vs 2024
How common
1 in 14,224
girls born in 2025
Peak year
2015
246 babies
All-time total
3,141
#3,507 all-time among girls
First recorded
2004
in Social Security records

Londynn popularity over time

3,141 babies have been named Londynn since 2004, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.050.10.150.218801900192019401960198020002020Peak 2020Girls

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Girls Per year Change Best rank
1880s – – – –
1890s – – – –
1900s – – – –
1910s – – – –
1920s – – – –
1930s – – – –
1940s – – – –
1950s – – – –
1960s – – – –
1970s – – – –
1980s – – – –
1990s – – – –
2000s 155 16 – #2,915
2010s 1,931 193 +1146% #1,069
2020s (to 2025) 1,055 176 -9% #1,057

Where Londynn is heading

A five-year projection from the recent trend in births per 1,000 girls (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year Projected babies Per 1,000 girls Implied rank
2026 107 0.07 outside top 500
2027 103 0.06 outside top 500
2028 99 0.06 outside top 500
2029 96 0.06 outside top 500
2030 94 0.06 outside top 500

Where Londynn is most popular

Girls named Londynn per 1,000 girls born in each state, 2021–2025. National average: 0.101 per 1,000. Strongest in Mississippi, Louisiana, and Alabama.

Vs national average
well below below near national above well above no data

All 50 states and DC, sorted by rate. Counts are girls named Londynn born 2021–2025; the per-1,000 rate makes states of different sizes comparable, and the last column shows each state against the national average.

State Girls 2021–2025 Per 1,000 vs national
Mississippi 30 0.641 +535%
Louisiana 36 0.411 +307%
Alabama 28 0.298 +195%
Missouri 32 0.266 +163%
Georgia 57 0.251 +149%
Ohio 40 0.169 +67%
Tennessee 26 0.164 +63%
Indiana 23 0.164 +62%
South Carolina 13 0.145 +43%
Texas 106 0.132 +31%
Florida 55 0.129 +27%
North Carolina 29 0.127 +26%
Virginia 17 0.100 ≈ national
Illinois 15 0.066 -35%
California 50 0.059 -41%
Kentucky 5 0.058 -42%
New York 21 0.053 -47%
Wisconsin 5 0.049 -52%
Pennsylvania 10 0.042 -58%
Michigan 7 0.038 -62%
New Jersey 6 0.033 -67%
Alaska – – –
Arkansas – – –
Arizona – – –
Colorado – – –
Connecticut – – –
District of Columbia – – –
Delaware – – –
Hawaii – – –
Iowa – – –
Idaho – – –
Kansas – – –
Massachusetts – – –
Maryland – – –
Maine – – –
Minnesota – – –
Montana – – –
North Dakota – – –
Nebraska – – –
New Hampshire – – –
New Mexico – – –
Nevada – – –
Oklahoma – – –
Oregon – – –
Rhode Island – – –
South Dakota – – –
Utah – – –
Vermont – – –
Washington – – –
West Virginia – – –
Wyoming – – –

State counts come from the Social Security Administration's state files, which omit any state-year with fewer than five babies of a name, so small states can undercount slightly.

The story of Londynn

Londynn is rare for girls in the United States, ranked #1,789 in 2025 with 113 babies given the name. It is currently declining compared with a decade ago.

Since 2004, 3,141 American babies have been named Londynn. Its peak came in 2015, when 246 newborns received the name, the signature sound of the 2010s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Londynn stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Londynn?

The median living Londynn is about 8 years old; half are between 4 and 12. An estimated 3,100 people named Londynn are alive in the United States today.

median 8 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Londynn year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank
2025 113 #1,789
2024 140 #1,533
2023 160 #1,406
2022 192 #1,253
2021 214 #1,146
2020 236 #1,057
2019 197 #1,195
2018 165 #1,369
2017 191 #1,247
2016 214 #1,173
2015 246 #1,069
2014 238 #1,077
2013 216 #1,124
2012 171 #1,371
2011 159 #1,429
2010 134 #1,618
2009 60 #2,915
2008 55 #3,106
2007 21 #6,459
2006 5 #18,886
2005 6 #15,641
2004 8 #12,295
2003 – –
2002 – –
2001 – –
2000 – –
1995 – –
1990 – –
1985 – –
1980 – –
1975 – –
1970 – –
1965 – –
1960 – –
1955 – –
1950 – –
1945 – –
1940 – –
1935 – –
1930 – –
1925 – –
1920 – –
1915 – –
1910 – –
1905 – –
1900 – –
1895 – –
1890 – –
1885 – –
1880 – –

Frequently asked questions

Quick answers about Londynn, drawn from the same Social Security data as the charts above.

How old is the average Londynn?

The median living Londynn is about 8 years old. Half of all living Londynns are between 4 and 12 years old.

How many people named Londynn are alive today?

An estimated 3,100 people named Londynn are alive in the United States, based on 3,141 recorded births and Social Security life tables.

What does the name Londynn mean?

Modern variant of London, influenced by Lynn.

How popular is the name Londynn in 2025?

Londynn ranked #1,789 among girls' names in the United States in 2025, with 113 babies given the name, according to Social Security Administration data.

How many people are named Londynn?

3,141 babies have been named Londynn in the United States since 2004, based on Social Security card applications.

When was the name Londynn most popular?

Londynn peaked in 2015, when 246 newborns received the name.

Is Londynn a boy or girl name?

Londynn is overwhelmingly a girl's name: 100% of babies with the name.

Is the name Londynn rising or falling?

Londynn is declining, less popular now than a decade ago.

Will Londynn become more popular?

Londynn is trending downward. If the recent trend holds, we project roughly 94 girls named Londynn in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Londynn

Names that sound and feel close to Londynn: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Londynn with similar names → More names starting with L →