Total births
21,932
Girls' name · since 1880
Louisa
Since 1880, U.S. Social Security records show 21,932 babies named Louisa, peaking in 2021. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #732
- among girls today
- 21,932
- born since 1880
- 2010s
- peak decade
- 96%
- more common than other girls
21,932 babies have been named Louisa since 1880, making it today's #732 girls' name.
Louisa has 21,932 recorded births among girls since 1880, per the U.S. Social Security Administration, ranked #732 as of the latest data, more common than 96% of girls, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1880 to 2025.
- #732 among girls today
- 21,932 born since 1880
- 2010s peak decade
- 96% more common than other girls
Data updated Jun 2026
The verdict
Louisa is currently the #732 girls' name in America, more common than 96% of girls - 21,932 born since 1880, peaking in the 2010s.
- #732
- among girls today
- 21,932
- born since 1880
- 2010s
- peak decade
- 96%
- more common than other girls
Louisa vs. every other girls name in current SSA rankings
#732
of 17,726 girls in use
More common than 96% of names given to girls today.
2010s
Peak decade
13% of everyone ever named Louisa was born in this single decade.
2021
Single peak year
424 babies were named Louisa in 2021 - its busiest year on record.
How Louisa compares
21,932 Top 6% higher than 94% of 17,726 names currently given to girls
Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Louisa's all-time total is 57x the median girls name, and Olivia still leads by a wide margin.
| Metric | Louisa | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 21,932 | 382 | 567,345 |
| Peak-year births | 424 | 48 | 19,840 |
Louisa's usage pattern, beyond the headline number
Divide Louisa's SSA record in two at 1953 and the more recent half accounts for 54% of all births, the earlier half the remaining 46%, a genuinely balanced usage pattern. Its calmest year was 1988, with only 73 births recorded -- set against the 2021 peak of 424, that's the full swing in one name's fortunes.
Louisa at a glance
Top 1,000 girls' namePeak year
2021
Current rank
#732
Active since
1880
Louisa popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1880–2025
- Peak year (2021)
- 424
- Annual births at peak, across 146 years of records
Louisa popularity over time - boys
5 total births recorded since 1922 (Louisa as boys' name)
Louisa by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Louisa's strongest decade.
2,939 babies received the name during that ten-year window, about 13% of all-time use.
Louisa births by decade
Total births in each ten-year window
- 1880s
1880s
1,420 births
- 1890s
1890s
1,272 births
- 1900s 993
1900s
993 births
- 1910s
1910s
1,619 births
- 1920s
1920s
1,765 births
- 1930s
1930s
1,227 births
- 1940s
1940s
1,284 births
- 1950s
1950s
1,442 births
- 1960s
1960s
1,371 births
- 1970s 1,005
1970s
1,005 births
- 1980s 1,072
1980s
1,072 births
- 1990s 1,084
1990s
1,084 births
- 2000s 1,154
2000s
1,154 births
- 2010s
2010s
2,939 births
- 2020s
2020s
2,285 births
What this shows Peak: 2010s at 2,939 births (13% of all-time use).
How Louisa compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Louisa's total volume
Louisa vs 15 similarly-sized girls names
Louisa by state
Where Louisa concentrates geographically, total births since 1880
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | New York | | 1,973 | 9.0% |
| #2 | California | | 1,610 | 7.3% |
| #3 | Texas | | 1,499 | 6.8% |
| #4 | Pennsylvania | | 885 | 4.0% |
| #5 | Massachusetts | | 723 | 3.3% |
| #6 | Illinois | | 501 | 2.3% |
| #7 | New Jersey | | 431 | 2.0% |
| #8 | Ohio | | 344 | 1.6% |
New York share of Louisa's total US births 9.0%
Even split
1,973 of 21,932 births nationwide. Compared to a flat distribution across 46 reporting states.
Louisa appears in 46 states. Explore state details →
Frequently Asked Questions
How popular is the name Louisa? ▼
Since 1880, Social Security records show 21,932 babies named Louisa. Today it holds rank #732 among girls. Its busiest year on record was 2021, with 424 births.
When was Louisa most popular? ▼
Louisa was most popular in the 2010s decade with 2,939 total births. The single peak year was 2021.
Where is Louisa most popular? ▼
The top states for the name Louisa are New York (1,973 births), California (1,610 births), Texas (1,499 births).
How long has the name Louisa been used? ▼
Louisa has been recorded in Social Security data since 1880, spanning 146 years of data through 2025.
What names are similar to Louisa? ▼
Names with a similar sound or spelling include Louise, Lou, Lourdes, Louella, and 4 more. These share a common prefix and are also used for girls.
What to do with Louisa's data
- Louisa's usage has stayed within range of its 2010s decade-level peak (2,939 total births) through the 2020s (2,285) -- a comparatively stable name, not a fading trend.
- New York records the most Louisas (1,973 births) -- see the full state breakdown if geography matters to your decision. New York names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Louisa
Nearby Names Like Louisa
Names with a similar sound, spelling, or feel to Louisa
Louise Girl
#540 336,466 births
Lou Girl
#2508 34,109 births
Lourdes Girl
#2754 14,805 births
Louella Girl
#1466 13,958 births
Louann Girl
#13622 5,197 births
Compare Louisa side by side: Louisa vs Louise Louisa vs Lou Louisa vs Lourdes
Related Names
Names with a similar popularity rank to Louisa
Kayleigh #731
34,561 births · Peak 2009
Karla #733
91,586 births · Peak 1964
Charley #730
11,347 births · Peak 2014
Winona #734
12,953 births · Peak 2025
Laurel #729
47,113 births · Peak 1956
Celia #735
56,642 births · Peak 1915
Araceli #728
20,268 births · Peak 2002
Persephone #736
4,960 births · Peak 2022
Data Sources
Data as of June 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1880–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Louisa: #732 Girls' Name - 21,932 Births, Peak 2021." NameAlmanac. Accessed via https://namealmanac.com/name/louisa. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Louisa draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.