Total births
40
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.
- 40
- total births
- 1918–1929
- years on record
- 1920s
- peak decade
- 85%
- born in that 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.
- 40 total births
- 1918–1929 years on record
- 1920s peak decade
- 85% born in that decade
Data updated Jul 2026
The verdict
40 girls have been named Leaster since 1918, peaking in the 1920s, last recorded in 1929.
- 40
- total births
- 1918–1929
- years on record
- 1920s
- peak decade
- 85%
- born in that decade
1920s
Peak decade
85% of everyone ever named Leaster was born in this single decade.
1920
Single peak year
7 babies were named Leaster in 1920 - its busiest year on record.
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 at a glance
Last recorded 1929Peak year
1920
Current rank
Unranked
Active since
1918
Leaster popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1918–1929
- Peak year (1920)
- 7
- Annual births at peak, across 12 years of records
Leaster popularity over time - boys
17 total births recorded since 1916 (Leaster as boys' name)
Leaster by decade
Total births in each ten-year window, peak vs trough at a glance
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
- 1910s 6
1910s
6 births
- 1920s
1920s
34 births
What this shows Peak: 1920s at 34 births (85% of all-time use).
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 last appearance in the data was 1929. 7 babies were born in 1920, its single highest year.
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
#53 256,488 births
Lea Girl
#833 33,848 births
Leanne Girl
#2703 29,627 births
Leanna Girl
#904 25,932 births
Leann Girl
#3770 24,356 births
Compare Leaster side by side: Leaster vs Leah Leaster vs Lea Leaster vs Leanne
Related Names
Names with a similar number of total births
Data Sources
Data as of July 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).
Cite this page
NameAlmanac Editorial. "Leaster: Baby Name Since 1918 - 40 Births, Peak 1920." NameAlmanac. Accessed via https://namealmanac.com/name/leaster. 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 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 July 2026.