Boys' name · since 2018

Seojun

Seojun has 5 recorded births since 2018 in federal Social Security data, most heavily in 2018 -- full year-by-year trend, decade aggregates, and state rankings follow.

#44,262 of 45,481
all-time among boys
5
born since 2018
2010s
peak decade

Seojun is not among the current top-ranked boys names; 5 have been recorded since 2018.

According to the U.S. Social Security Administration, Seojun has been recorded 5 times among boys since 2018, though it is not among the currently most-used boys names, with its heaviest use in the 2010s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 2018 to 2018.

  • #44,262 of 45,481 all-time among boys
  • 5 born since 2018
  • 2010s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Seojun ranks #44,262 of 45,481 boys' names by all-time recorded births (highest first). 5 born since 2018, peaking in the 2010s.

#44,262 of 45,481
all-time among boys
5
born since 2018
2010s
peak decade
Rare archive record
All-time archive position

Seojun's 5 recorded births place it above 0% of the 45,481 boys names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

Seojun popularity over time

Annual U.S. births registered with the Social Security Administration · 2018–2018

Last recorded 2018
Peak year (2018)
5
Annual births at peak, across 1 years of records
5 2018 5

Seojun by decade

2010s is the heaviest window (5 births, 100% of the file).

2010s was Seojun's strongest decade.

5 babies received the name during that ten-year window, about 100% of all-time use.

Seojun births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 5 births (100% of all-time use).

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

Frequently Asked Questions

How popular is the name Seojun?
Seojun has been given to 5 babies in the U.S. since 2018, according to SSA data. Its archive ordinal is #44,262 of 45,481 among boys' names (total births, highest first). Its last appearance in the data was 2018. 5 babies were born in 2018, its single highest year.
Where does Seojun sit in the SSA name archive?
According to the U.S. Social Security Administration, Seojun ranks #44,262 of 45,481 boys' 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 Seojun most popular?
Seojun was most popular in the 2010s decade with 5 total births. The single peak year was 2018.
How long has the name Seojun been used?
Records for Seojun go back to 2018, giving 1 year of history through 2018.
What names are similar to Seojun?
Names with a similar sound or spelling include Seon, Seoul, Seo. These share a common prefix and are also used for boys.

Keep exploring Seojun

Nearby Names Like Seojun

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

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Seojun: 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, 2018–2018 (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 Seojun 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.