Total births
5
Girls' name · since 2007
Yoonseo
Yoonseo has 5 recorded births since 2007 in federal Social Security data, most heavily in 2007 -- full year-by-year trend, decade aggregates, and state rankings follow.
- 5
- total births
- 2007–2007
- years on record
- 2000s
- peak decade
- 100%
- born in that decade
Yoonseo is not among the current top-ranked girls names; 5 have been recorded since 2007.
Social Security Administration records show Yoonseo recorded 5 times among girls since 2007, though it doesn't currently rank among the most-used girls names, peaking in the 2000s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 2007 to 2007.
- 5 total births
- 2007–2007 years on record
- 2000s peak decade
- 100% born in that decade
Data updated Jun 2026
The verdict
5 girls have been named Yoonseo since 2007, peaking in the 2000s, last recorded in 2007.
- 5
- total births
- 2007–2007
- years on record
- 2000s
- peak decade
- 100%
- born in that decade
2000s
Peak decade
100% of everyone ever named Yoonseo was born in this single decade.
2007
Single peak year
5 babies were named Yoonseo in 2007 - its busiest year on record.
Yoonseo at a glance
Last recorded 2007Peak year
2007
Current rank
Unranked
Active since
2007
Yoonseo popularity over time
Annual U.S. births registered with the Social Security Administration · 2007–2007
- Peak year (2007)
- 5
- Annual births at peak, across 1 years of records
Yoonseo by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Yoonseo's strongest decade.
5 babies received the name during that ten-year window, about 100% of all-time use.
Yoonseo births by decade
Total births in each ten-year window
- 2000s
2000s
5 births
What this shows Peak: 2000s at 5 births (100% of all-time use).
Frequently Asked Questions
How popular is the name Yoonseo? ▼
Since 2007, Social Security records show 5 babies named Yoonseo. The most recent recorded year was 2007. Its busiest year on record was 2007, with 5 births.
When was Yoonseo most popular? ▼
Yoonseo was most popular in the 2000s decade with 5 total births. The single peak year was 2007.
How long has the name Yoonseo been used? ▼
The SSA has tracked Yoonseo since 2007 -- 1 year through the most recent 2007 data.
What names are similar to Yoonseo? ▼
Names with a similar sound or spelling include Yoona, Yoon, Yoo, Yoonah. These share a common prefix and are also used for girls.
Keep exploring Yoonseo
Nearby Names Like Yoonseo
Names with a similar sound, spelling, or feel to Yoonseo
Yoona Girl
#10915 149 births
Yoon Girl
#15796 39 births
Yoo Girl
12 births
Yoonah Girl
#15285 6 births
Compare Yoonseo side by side: Yoonseo vs Yoona Yoonseo vs Yoon Yoonseo vs Yoo
Related Names
Names with a similar number of total births
Data Sources
Data as of June 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, 2007–2007 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Yoonseo: Baby Name Since 2007 - 5 Births, Peak 2007." NameAlmanac. Accessed via https://namealmanac.com/name/yoonseo. 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 Yoonseo 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 June 2026.