Unisex name · since 2007

Kaigen

Kaigen has 33 recorded births since 2007 in federal Social Security data, most heavily in 2010 -- full year-by-year trend, decade aggregates, and state rankings follow.

#25,167 of 45,481
all-time among boys
33
born since 2007
2010s
peak decade

Kaigen sits outside today's top ranks for boys, with 33 recorded since 2007.

Kaigen has 33 recorded births among boys since 2007, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 2007 to 2013.

  • #25,167 of 45,481 all-time among boys
  • 33 born since 2007
  • 2010s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Kaigen ranks #25,167 of 45,481 boys' names by all-time recorded births (highest first). 33 born since 2007, peaking in the 2010s.

#25,167 of 45,481
all-time among boys
33
born since 2007
2010s
peak decade
Below the archive median
All-time archive position

Kaigen's 33 recorded births place it above 44.37% 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.

Kaigen's usage pattern, beyond the headline number

Kaigen splits its recorded history at 2010: 64% of all births land in the more recent half, 36% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 2013 (5 births) -- compare that against the 2010 peak of 8 for a sense of just how much the name's popularity has swung.

Kaigen popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 2007–2013

Last recorded 2013
Peak year (2010)
8
Annual births at peak, across 7 years of records
456789 20072008201020112013 5

Kaigen popularity over time - girls

5 total births recorded since 2010 (Kaigen as girls' name)

Unisex variant - 5 births
5 2010 5

Kaigen by decade

2010s is the heaviest window (21 births, 64% of the file).

2010s was Kaigen's strongest decade.

21 babies received the name during that ten-year window, about 64% of all-time use.

Kaigen births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 21 births (64% of all-time use).

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

Frequently Asked Questions

How popular is the name Kaigen? ▼
33 babies have been named Kaigen since 2007. All-time, it sits at #25,167 of 45,481 boys' names by recorded births. It was last recorded in 2013. The peak year was 2010 with 8 births.
Where does Kaigen sit in the SSA name archive? ▼
According to the U.S. Social Security Administration, Kaigen ranks #25,167 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 Kaigen most popular? ▼
Kaigen was most popular in the 2010s decade with 21 total births. The single peak year was 2010.
Is Kaigen a unisex name? ▼
Yes, Kaigen is used for both boys and girls. As a boy's name it has 33 births, and as a girl's name it has 5 births.
How long has the name Kaigen been used? ▼
The SSA has tracked Kaigen since 2007 -- 7 years through the most recent 2013 data.
What names are similar to Kaigen? ▼
Names with a similar sound or spelling include Kai, Kaiden, Kairo, Kaison, and 4 more. These share a common prefix and are also used for boys.

Keep exploring Kaigen

Nearby Names Like Kaigen

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

Kai Boy
#93 70,232 births
Kaiden Boy
#237 52,562 births
Kairo Boy
#226 11,224 births
Kaison Boy
#540 7,182 births
Kaiser Boy
#835 3,921 births

Compare Kaigen side by side: Kaigen vs Kai Kaigen vs Kaiden Kaigen vs Kairo

Or pick any two names to compare →

Related Names

Names with a similar number of total births

Nute
33 births · Peak 1915
Nesbitt
33 births · Peak 1930
Garvice
33 births · Peak 1913
Arza
33 births · Peak 1928
Ollice
33 births · Peak 1914
Delphine
33 births · Peak 1929
Toxie
33 births · Peak 1915
Weikko
33 births · Peak 1917

Nationwide names with similar peak year or record span

Two nationwide peer axes for Kaigen: 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, 2007–2013 (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 Kaigen 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.