Total births
142
Girls' name · since 1913
Lousie
Lousie has 142 recorded births since 1913 in federal Social Security data, most heavily in 1918 -- full year-by-year trend, decade aggregates, and state rankings follow.
- 142
- total births
- 1913–1962
- years on record
- 1920s
- peak decade
- 40%
- born in that decade
Lousie is not among the current top-ranked girls names; 142 have been recorded since 1913.
Social Security Administration records show Lousie recorded 142 times among girls since 1913, though it doesn't currently rank among the most-used girls names, peaking in the 1920s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1913 to 1962.
- 142 total births
- 1913–1962 years on record
- 1920s peak decade
- 40% born in that decade
Data updated Jun 2026
The verdict
142 girls have been named Lousie since 1913, peaking in the 1920s, last recorded in 1962.
- 142
- total births
- 1913–1962
- years on record
- 1920s
- peak decade
- 40%
- born in that decade
1920s
Peak decade
40% of everyone ever named Lousie was born in this single decade.
1918
Single peak year
12 babies were named Lousie in 1918 - its busiest year on record.
Lousie's usage pattern, beyond the headline number
Lousie splits its recorded history at 1927: 49% of all births land in the more recent half, 51% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1914 (5 births) -- compare that against the 1918 peak of 12 for a sense of just how much the name's popularity has swung.
Lousie at a glance
Last recorded 1962Peak year
1918
Current rank
Unranked
Active since
1913
Lousie popularity over time
Annual U.S. births registered with the Social Security Administration · 1913–1962
- Peak year (1918)
- 12
- Annual births at peak, across 50 years of records
Lousie by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Lousie's strongest decade.
57 babies received the name during that ten-year window, about 40% of all-time use.
Lousie births by decade
Total births in each ten-year window
- 1910s
1910s
36 births
- 1920s
1920s
57 births
- 1930s
1930s
25 births
- 1940s 7
1940s
7 births
- 1950s 5
1950s
5 births
- 1960s 12
1960s
12 births
What this shows Peak: 1920s at 57 births (40% of all-time use).
Lousie by state
Where Lousie concentrates geographically, total births since 1913
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Mississippi | | 5 | 3.5% |
Mississippi share of Lousie's total US births 3.5%
5 of 142 births nationwide.
Frequently Asked Questions
How popular is the name Lousie? ▼
Lousie has been given to 142 babies in the U.S. since 1913, according to SSA data. Its last appearance in the data was 1962. 12 babies were born in 1918, its single highest year.
When was Lousie most popular? ▼
Lousie was most popular in the 1920s decade with 57 total births. The single peak year was 1918.
Where is Lousie most popular? ▼
The top states for the name Lousie are Mississippi (5 births).
How long has the name Lousie been used? ▼
Lousie has been recorded in Social Security data since 1913, spanning 50 years of data through 1962.
What names are similar to Lousie? ▼
Names with a similar sound or spelling include Louise, Lou, Louisa, Lourdes, and 4 more. These share a common prefix and are also used for girls.
What to do with Lousie's data
- Lousie's decade-level peak was the 1920s (57 total births); usage has since declined to 12 in the 1960s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Mississippi records the most Lousies (5 births) -- see the full state breakdown if geography matters to your decision. Mississippi 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 Lousie
Nearby Names Like Lousie
Names with a similar sound, spelling, or feel to Lousie
Louise Girl
#540 336,466 births
Lou Girl
#2508 34,109 births
Louisa Girl
#732 21,932 births
Lourdes Girl
#2754 14,805 births
Louella Girl
#1466 13,958 births
Compare Lousie side by side: Lousie vs Louise Lousie vs Lou Lousie vs Louisa
Related Names
Names with a similar number of total births
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, 1913–1962 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Lousie: Baby Name Since 1913 - 142 Births, Peak 1918." NameAlmanac. Accessed via https://namealmanac.com/name/lousie. 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 Lousie 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.