Total births
10
Girls' name · since 1921
Ikuko
Since 1921, U.S. Social Security records show 10 babies named Ikuko, peaking in 1921. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 10
- total births
- 1921–1923
- years on record
- 1920s
- peak decade
- 100%
- born in that decade
10 girls have been named Ikuko since 1921, though it isn't currently a top-ranked name.
Ikuko has 10 recorded births among girls since 1921, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1920s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1921 to 1923.
- 10 total births
- 1921–1923 years on record
- 1920s peak decade
- 100% born in that decade
Data updated Jul 2026
The verdict
10 girls have been named Ikuko since 1921, peaking in the 1920s, last recorded in 1923.
- 10
- total births
- 1921–1923
- years on record
- 1920s
- peak decade
- 100%
- born in that decade
1920s
Peak decade
100% of everyone ever named Ikuko was born in this single decade.
1921
Single peak year
5 babies were named Ikuko in 1921 - its busiest year on record.
Ikuko's usage pattern, beyond the headline number
Divide Ikuko'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 1921, with only 5 births recorded.
Ikuko at a glance
Last recorded 1923Peak year
1921
Current rank
Unranked
Active since
1921
Ikuko popularity over time
Annual U.S. births registered with the Social Security Administration · 1921–1923
- Peak year (1921)
- 5
- Annual births at peak, across 3 years of records
Ikuko by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Ikuko's strongest decade.
10 babies received the name during that ten-year window, about 100% of all-time use.
Ikuko births by decade
Total births in each ten-year window
- 1920s
1920s
10 births
What this shows Peak: 1920s at 10 births (100% of all-time use).
Frequently Asked Questions
How popular is the name Ikuko? ▼
10 babies have been named Ikuko since 1921. It was last recorded in 1923. The peak year was 1921 with 5 births.
When was Ikuko most popular? ▼
Ikuko was most popular in the 1920s decade with 10 total births. The single peak year was 1921.
How long has the name Ikuko been used? ▼
The SSA has tracked Ikuko since 1921 -- 3 years through the most recent 1923 data.
Keep exploring Ikuko
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, 1921–1923 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Ikuko: Baby Name Since 1921 - 10 Births, Peak 1921." NameAlmanac. Accessed via https://namealmanac.com/name/ikuko. 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 Ikuko 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.