Girls' name · since 1886

Lousia

Since 1886, U.S. Social Security records show 17 babies named Lousia, peaking in 1919. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#47,922 of 72,339
all-time among girls
17
born since 1886
1910s
peak decade

Lousia sits outside today's top ranks for girls, with 17 recorded since 1886.

According to the U.S. Social Security Administration, Lousia has been recorded 17 times among girls since 1886, though it is not among the currently most-used girls names, with its heaviest use in the 1910s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1886 to 1970.

  • #47,922 of 72,339 all-time among girls
  • 17 born since 1886
  • 1910s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Lousia ranks #47,922 of 72,339 girls' names by all-time recorded births (highest first). 17 born since 1886, peaking in the 1910s.

#47,922 of 72,339
all-time among girls
17
born since 1886
1910s
peak decade
Below the archive median
All-time archive position

Lousia's 17 recorded births place it above 33.2% of the 72,339 girls names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

Lousia's usage pattern, beyond the headline number

Splitting Lousia's full recorded timeline at 1919, 71% of its total births fall in the more recent half of the record versus 29% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1886, with just 5 recorded births -- worth weighing against the 1919 peak of 7 to see the full range of the name's swing in popularity.

Lousia popularity over time

Annual U.S. births registered with the Social Security Administration · 1886–1970

Last recorded 1970
Peak year (1919)
7
Annual births at peak, across 85 years of records
4.555.566.577.5 188619191970 5

Lousia by decade

1910s is the heaviest window (7 births, 41% of the file).

1910s was Lousia's strongest decade.

7 babies received the name during that ten-year window, about 41% of all-time use.

Lousia births by decade

Total births in each ten-year window

births

What this shows Peak: 1910s at 7 births (41% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

Frequently Asked Questions

How popular is the name Lousia?
Since 1886, Social Security records show 17 babies named Lousia. Across the full SSA archive it ranks #47,922 of 72,339 girls' names by total births. The most recent recorded year was 1970. Its busiest year on record was 1919, with 7 births.
Where does Lousia sit in the SSA name archive?
According to the U.S. Social Security Administration, Lousia ranks #47,922 of 72,339 girls' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Lousia most popular?
Lousia was most popular in the 1910s decade with 7 total births. The single peak year was 1919.
How long has the name Lousia been used?
Lousia has been recorded in Social Security data since 1886, spanning 85 years of data through 1970.
What names are similar to Lousia?
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 Lousia's data

  • Lousia's usage has stayed within range of its 1910s decade-level peak (7 total births) through the 1970s (5) -- a comparatively stable name, not a fading trend.

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Lousia

Nearby Names Like Lousia

Names with a similar sound, spelling, or feel to Lousia

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Lousia: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 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, 1886–1970 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

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 Lousia 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 August 2026.