Unisex name · since 1918

Leaster

Leaster has 40 recorded births since 1918 in federal Social Security data, most heavily in 1920 -- full year-by-year trend, decade aggregates, and state rankings follow.

#37,590 of 72,339
all-time among girls
40
born since 1918
1920s
peak decade

Leaster sits outside today's top ranks for girls, with 40 recorded since 1918.

Social Security Administration records show Leaster recorded 40 times among girls since 1918, 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 1918 to 1929.

  • #37,590 of 72,339 all-time among girls
  • 40 born since 1918
  • 1920s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Leaster ranks #37,590 of 72,339 girls' names by all-time recorded births (highest first). 40 born since 1918, peaking in the 1920s.

#37,590 of 72,339
all-time among girls
40
born since 1918
1920s
peak decade
Below the archive median
All-time archive position

Leaster's 40 recorded births place it above 47.83% 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.

Leaster's usage pattern, beyond the headline number

Splitting Leaster's full recorded timeline at 1926, 55% of its total births fall in the more recent half of the record versus 45% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1922, with just 5 recorded births -- worth weighing against the 1920 peak of 7 to see the full range of the name's swing in popularity.

Leaster popularity over time - girls

Annual U.S. births registered with the Social Security Administration · 1918–1929

Last recorded 1929
Peak year (1920)
7
Annual births at peak, across 12 years of records
4.555.566.577.5 1918192019221926192719281929 5

Leaster popularity over time - boys

17 total births recorded since 1916 (Leaster as boys' name)

Unisex variant - 17 births
4.555.566.577.5 191619231928 7

Leaster by decade

1920s is the heaviest window (34 births, 85% of the file).

1920s was Leaster's strongest decade.

34 babies received the name during that ten-year window, about 85% of all-time use.

Leaster births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 34 births (85% of all-time use).

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

Frequently Asked Questions

How popular is the name Leaster? ▼
Leaster has been given to 40 babies in the U.S. since 1918, according to SSA data. Its archive ordinal is #37,590 of 72,339 among girls' names (total births, highest first). Its last appearance in the data was 1929. 7 babies were born in 1920, its single highest year.
Where does Leaster sit in the SSA name archive? ▼
According to the U.S. Social Security Administration, Leaster ranks #37,590 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 Leaster most popular? ▼
Leaster was most popular in the 1920s decade with 34 total births. The single peak year was 1920.
Is Leaster a unisex name? ▼
Yes, Leaster is used for both boys and girls. As a girl's name it has 40 births, and as a boy's name it has 17 births.
How long has the name Leaster been used? ▼
Records for Leaster go back to 1918, giving 12 years of history through 1929.
What names are similar to Leaster? ▼
Names with a similar sound or spelling include Leah, Lea, Leanne, Leanna, and 4 more. These share a common prefix and are also used for girls.

Keep exploring Leaster

Nearby Names Like Leaster

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

Leah Girl
#58 256,488 births
Lea Girl
#848 33,848 births
Leanne Girl
#2490 29,627 births
Leanna Girl
#890 25,932 births
Leann Girl
#4190 24,356 births

Compare Leaster side by side: Leaster vs Leah Leaster vs Lea Leaster vs Leanne

Or pick any two names to compare →

Related Names

Names with a similar number of total births

Manervia
40 births · Peak 1920
Marilda
40 births · Peak 1920
Tollie
40 births · Peak 1917
Idah
40 births · Peak 1916
Burley
40 births · Peak 1925
Alfaretta
40 births · Peak 1905
Impi
40 births · Peak 1917
Burlie
40 births · Peak 1918

Nationwide names with similar peak year or record span

Two nationwide peer axes for Leaster: 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, 1918–1929 (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 Leaster 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.