Total births
173
Boys' name · since 1923
Keiji
Since 1923, U.S. Social Security records show 173 babies named Keiji, peaking in 2009. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 173
- total births
- 1923–2025
- years on record
- 2010s
- peak decade
- 36%
- born in that decade
Keiji sits outside today's top ranks for boys, with 173 recorded since 1923.
Social Security Administration records show Keiji recorded 173 times among boys since 1923, though it doesn't currently rank among the most-used boys names, peaking in the 2010s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1923 to 2025.
- 173 total births
- 1923–2025 years on record
- 2010s peak decade
- 36% born in that decade
Data updated Jul 2026
The verdict
173 boys have been named Keiji since 1923, peaking in the 2010s, last recorded in 2025.
- 173
- total births
- 1923–2025
- years on record
- 2010s
- peak decade
- 36%
- born in that decade
2010s
Peak decade
36% of everyone ever named Keiji was born in this single decade.
2009
Single peak year
15 babies were named Keiji in 2009 - its busiest year on record.
Keiji's usage pattern, beyond the headline number
Splitting Keiji's full recorded timeline at 2011, 49% of its total births fall in the more recent half of the record versus 51% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1924, with just 5 recorded births -- worth weighing against the 2009 peak of 15 to see the full range of the name's swing in popularity.
Keiji at a glance
Last recorded 2025Peak year
2009
Current rank
Unranked
Active since
1923
Keiji popularity over time
Annual U.S. births registered with the Social Security Administration · 1923–2025
- Peak year (2009)
- 15
- Annual births at peak, across 103 years of records
Keiji by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Keiji's strongest decade.
62 babies received the name during that ten-year window, about 36% of all-time use.
Keiji births by decade
Total births in each ten-year window
- 1920s
1920s
30 births
- 2000s
2000s
50 births
- 2010s
2010s
62 births
- 2020s
2020s
31 births
What this shows Peak: 2010s at 62 births (36% of all-time use).
Keiji by state
Where Keiji concentrates geographically, total births since 1923
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 18 | 10.4% |
| #2 | Hawaii | | 5 | 2.9% |
California share of Keiji's total US births 10.4%
Even split
18 of 173 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
How popular is the name Keiji? ▼
173 babies have been named Keiji since 1923. It was last recorded in 2025. The peak year was 2009 with 15 births.
When was Keiji most popular? ▼
Keiji was most popular in the 2010s decade with 62 total births. The single peak year was 2009.
Where is Keiji most popular? ▼
The top states for the name Keiji are California (18 births), Hawaii (5 births).
How long has the name Keiji been used? ▼
Records for Keiji go back to 1923, giving 103 years of history through 2025.
What names are similar to Keiji? ▼
Names with a similar sound or spelling include Keith, Keion, Keilan, Keifer, and 4 more. These share a common prefix and are also used for boys.
What to do with Keiji's data
- Keiji's usage has stayed within range of its 2010s decade-level peak (62 total births) through the 2020s (31) -- a comparatively stable name, not a fading trend.
- California records the most Keijis (18 births) -- see the full state breakdown if geography matters to your decision. California names
- 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.
Keep exploring Keiji
Nearby Names Like Keiji
Names with a similar sound, spelling, or feel to Keiji
Keith Boy
#756 437,907 births
Keion Boy
#2936 2,859 births
Keilan Boy
#3565 1,325 births
Keifer Boy
1,155 births
Keir Boy
#6549 1,053 births
Compare Keiji side by side: Keiji vs Keith Keiji vs Keion Keiji vs Keilan
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, 1923–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Keiji: Baby Name Since 1923 - 173 Births, Peak 2009." NameAlmanac. Accessed via https://namealmanac.com/name/keiji. 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 Keiji 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.