Girls' name · since 1919

Leonilla

Leonilla has 10 recorded births since 1919 in federal Social Security data, most heavily in 1919 -- full year-by-year trend, decade aggregates, and state rankings follow.

10
total births
1919–1923
years on record
1910s
peak decade
50%
born in that decade

Leonilla sits outside today's top ranks for girls, with 10 recorded since 1919.

Leonilla has 10 recorded births among girls since 1919, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1910s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1919 to 1923.

  • 10 total births
  • 1919–1923 years on record
  • 1910s peak decade
  • 50% born in that decade

Data updated Jul 2026

The verdict

10 girls have been named Leonilla since 1919, peaking in the 1910s, last recorded in 1923.

10
total births
1919–1923
years on record
1910s
peak decade
50%
born in that decade
1910s
Peak decade

50% of everyone ever named Leonilla was born in this single decade.

1919
Single peak year

5 babies were named Leonilla in 1919 - its busiest year on record.

Leonilla's usage pattern, beyond the headline number

Divide Leonilla's SSA record in two at 1923 and the more recent half accounts for 50% of all births, the earlier half the remaining 50%, a genuinely balanced usage pattern. Its calmest year was 1919, with only 5 births recorded.

Leonilla at a glance

Last recorded 1923

Total births

10

Since 1919

5 years of records

Peak year

1919

5 births that year

Strongest decade: 1910s

Current rank

Unranked

Outside the modern top-1,000

As of 1923

Active since

1919

Recorded for 5 years

Last year on file: 1923

Leonilla popularity over time

Annual U.S. births registered with the Social Security Administration · 1919–1923

Last recorded 1923
Peak year (1919)
5
Annual births at peak, across 5 years of records
5 19191923 5

Leonilla by decade

Total births in each ten-year window, peak vs trough at a glance

1910s was Leonilla's strongest decade.

5 babies received the name during that ten-year window, about 50% of all-time use.

Leonilla births by decade

Total births in each ten-year window

births

What this shows Peak: 1910s at 5 births (50% of all-time use).

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

Frequently Asked Questions

How popular is the name Leonilla?
Leonilla has been given to 10 babies in the U.S. since 1919, according to SSA data. Its last appearance in the data was 1923. 5 babies were born in 1919, its single highest year.
When was Leonilla most popular?
Leonilla was most popular in the 1910s decade with 5 total births. The single peak year was 1919.
How long has the name Leonilla been used?
The SSA has tracked Leonilla since 1919 -- 5 years through the most recent 1923 data.
What names are similar to Leonilla?
Names with a similar sound or spelling include Leona, Leola, Leora, Leota, and 4 more. These share a common prefix and are also used for girls.

What to do with Leonilla's data

  • Leonilla's usage has stayed within range of its 1910s decade-level peak (5 total births) through the 1920s (5) -- a comparatively stable name, not a fading trend.
  • 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.

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, 1919–1923 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Leonilla: Baby Name Since 1919 - 10 Births, Peak 1919." NameAlmanac. Accessed via https://namealmanac.com/name/leonilla. 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 Leonilla 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.