Louisa

#697 in 2025Girls' name

Famous in battle

Louisa has been given to 21,937 babies in the U.S. since 1880. In 2025 it ranked #697 of 17,293 girls’ names in use. Its peak year was 2021, with 424 recorded.

Babies named Louisa, 2025

1 in 8,150

Louisa over time, 1880–2025

GirlsBoys
020040060018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Louisa: meaning, origin, and history

Famous in battle

Latinate feminine form of Louis, ultimately Germanic

About Louisa

Louisa is a feminine form of Louis, carrying the Germanic meaning “famous in battle.” Its three-syllable English pronunciation, loo-EE-zuh, gives it a flowing shape distinct from Louise. Writer Louisa May Alcott and first lady Louisa Catherine Adams give the name particularly strong connections with nineteenth-century American history.

Meaning and Name Family

Louis is the French form of Ludovicus, the Latinized version of Ludwig. The older Germanic elements mean “famous” or “loud” and “battle” or “war.” Louisa gives that long-established masculine name a Latinate feminine ending.

Louise is a closely related feminine form, and Luise is used in German. The family reaches across several European naming traditions, with the final a giving Louisa an extra syllable in English.

Lou and Lulu are familiar short forms within the broader family. The full name keeps a clear middle emphasis and ends on a lighter vowel, rather than finishing with Louise's stressed z sound.

Louisa May Alcott

Louisa May Alcott was born in 1832 and grew up with three sisters. Their shared experiences helped shape Little Women, whose first part appeared in 1868.

Alcott wrote the novel at Orchard House in Concord, Massachusetts. Its story draws on family life while giving Jo March a memorable identity as an independent, imperfect young woman with ambitions of her own.

Before Little Women, Alcott wrote Hospital Sketches, published in 1863. The book grew from letters about her experience as a Civil War nurse in Washington, D.C., adding another kind of lived experience to her writing.

Alcott's career gives Louisa a lasting literary presence. Her work includes both the domestic world associated with Little Women and the difficult realities she encountered during wartime nursing.

Louisa Catherine Adams

Louisa Catherine Adams was the wife of John Quincy Adams and served as first lady during his presidency from 1825 to 1829. Born in London, she became the first American first lady born outside the United States.

Her life included years in diplomatic households before the family moved into the White House. The presidency brought demanding public responsibilities alongside poor health and the hostility surrounding the election.

She hosted White House events, including the marriage of her son John Adams II in 1828. Her story connects Louisa with the private and public demands placed on a presidential family.

The two famous Louisas occupy different parts of nineteenth-century life: literature and reform in Alcott's case, and diplomacy and presidential society in Adams's.

Pronunciation and Related Forms

Louisa is pronounced loo-EE-zuh in English, with stress on the second syllable. The s has a z sound, and the final a is light.

Louise ends after the stressed syllable, while Louisa continues into a third. Lou and Lulu offer shorter forms within the same name family. Louis remains the masculine source, with Ludwig preserving the older German form.

American Popularity

Louisa was given to eighty-nine girls in the United States in 2000 and 163 in 2010. Its largest annual total came in 2021, with 424 girls and a rank of 687th.

In 2025, 407 girls received the name, placing it 697th. Its recent American use is appreciably higher than at the beginning of the century, while remaining below the most common girls' names.

Sources & methodologyReferences, data & attribution

Existing Wiktionary material is attributed under CC BY-SA 4.0 where applicable. Popularity figures use the local Social Security Administration exact-spelling series; name-sex-year counts below five are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How popular is Louisa?

In 2025, Louisa ranked #697 among girls in the United States, with 407 recorded uses. The U.S. birth records first list this spelling for girls in 1880; its largest annual count was 424 in 2021. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.

How common is Louisa?

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

Among all babies, 2025
1 in 8,150
407 of 3,315,165 births
Among girls only
1 in 3,950
0.03% of girls
Rank, 2025
#697
of 17,293 girls’ names in use
Coin-flip room size
5,647 kids
Even odds of a second one

Where Louisa 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 1001%
School of 5006%

Put another way: gather 5,647 children born in 2025 and it's an even bet that one of them is another Louisa. In a class of 30 the chance is Under 1%.

When Louisas were born

Half of everyone ever recorded as Louisa was born before 1959 — so the typical Louisa is around 66 today.

Median birth year
1959
About 66 years old
Biggest decade
2010s
13.4% of all use
Born in the last 25 years
28.7%
Spread across generations
Recorded since 1950
12,352
People you could plausibly meet
Choose a decade

2010s — 13.4% of all recorded uses (2,939).

Is Louisa 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
+36
Places climbed
Rank vs 5 years ago
+28
Places climbed
Rank vs 10 years ago
+210
Places climbed
Births vs 10 years ago
1.34×
More babies than then
Share of its own peak
96.0%
Peak was 2021 (424)
Years since peak
4
Years
Year-to-year steadiness
Steady
10.0% average annual change
Best rank ever
#119
1881

Spellings of Louisa

Louisa is not the most common spelling — Lisa is, with 55.7% against Louisa's 1.3%.

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 Louisa is used

Across 2016–2025, Louisa was most concentrated in District of Columbia — about 1 in 500 girls, against 1 in 3,881 across all states with data. It was least common in Oklahoma (1 in 33,333).

3200 per 100,000

Most concentrated

  1. 1District of Columbia1 in 500
  2. 2Massachusetts1 in 1,471
  3. 3Minnesota1 in 1,493
  4. 4Colorado1 in 1,695
  5. 5Utah1 in 1,754
  6. 6Oregon1 in 1,852
  7. 7Alaska1 in 1,923
  8. 8Maine1 in 2,041

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.

Geographically, Louisa is one of the more regionally concentrated names in the country — more concentrated than 96% of the names used widely enough to compare. See the most regional names

Louisa around the world

Where Louisa 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.

  • England & Wales
    1996–2025
    #684
    in 2025
  • Scotland
    1974–2025
    #359
    in 2025
  • Northern Ireland
    2001–2025
    #397
    in 2025
  • Ireland
    1964–2024
    #631
    in 2024
  • France
    1900–2025
    #123
    in 2025
  • Norway
    2023–2025
    #237
    in 2025
  • Canada
    1991–2024
    #685
    in 2024
  • South Australia
    1945–2013
    #536
    in 2013

Popularity data from Office for National Statistics, National Records of Scotland, Northern Ireland Statistics and Research Agency, Central Statistics Office, Institut national de la statistique et des études économiques, Statistics Norway, Statistics Canada and Consumer and Business Services (South Australia). ONS, NRS, NISRA data under Open Government Licence v3.0. CSO, SSB, CBS SA data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Notable people named Louisa

People whose public names include Louisa, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Louisa in other languages

Cross-language forms and variants of Louisa. Linked forms have their own page here.

LuisaLouiseLouizaLoisaLoeizaLudwiga

Variant forms from Wikidata (CC0). Most are used mainly outside the United States; U.S. birth records statistics cover US usage only.

Louisa by the numbers

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

As a girl's name

Rank in 2025
#697
Trend vs 5 yrs ago
Up 28
Best rank ever
#119
1881
Peak year
2021
424 that year
First recorded
1880
Last recorded
2025
All-time count
21,932
Count in 2025
407

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#4,695
1922
Peak year
1922
5 that year
First recorded
1922
Last recorded
1922
All-time count
5
Count in 2025
Under 5

Names similar to Louisa

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

Names with a curve like Louisa

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

Sibling names for Louisa

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 Louisa