Boys' name · since 1912
Isamu
Since 1912, U.S. Social Security records show 562 babies named Isamu, peaking in 1922. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #7,359 of 45,481
- all-time among boys
- 562
- born since 1912
- 1920s
- peak decade
Isamu is not among the current top-ranked boys names; 562 have been recorded since 1912.
According to the U.S. Social Security Administration, Isamu has been recorded 562 times among boys since 1912, though it is not among the currently most-used boys names, with its heaviest use in the 1920s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1912 to 2023.
- #7,359 of 45,481 all-time among boys
- 562 born since 1912
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Isamu ranks #7,359 of 45,481 boys' names by all-time recorded births (highest first). 562 born since 1912, peaking in the 1920s.
- #7,359 of 45,481
- all-time among boys
- 562
- born since 1912
- 1920s
- peak decade
Isamu's 562 recorded births place it above 83.8% of the 45,481 boys names in the full SSA archive.
The state file records this name in 2 jurisdictions, led by Hawaii.
Isamu's usage pattern, beyond the headline number
Isamu splits its recorded history at 1928: 27% of all births land in the more recent half, 73% in the earlier half, leaning more toward its earlier era than today's. The single quietest year was 1987 (5 births) -- compare that against the 1922 peak of 40 for a sense of just how much the name's popularity has swung.
Isamu popularity over time
Annual U.S. births registered with the Social Security Administration · 1912–2023
- Peak year (1922)
- 40
- Annual births at peak, across 112 years of records
Isamu by decade
1920s is the heaviest window (295 births, 52% of the file).
1920s was Isamu's strongest decade.
295 babies received the name during that ten-year window, about 52% of all-time use.
Isamu births by decade
Total births in each ten-year window
- 1910s
1910s
147 births
- 1920s
1920s
295 births
- 1930s 73
1930s
73 births
- 1980s 5
1980s
5 births
- 2000s 36
2000s
36 births
- 2020s 6
2020s
6 births
What this shows Peak: 1920s at 295 births (52% of all-time use).
How Isamu compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Isamu's total volume
Isamu by state
Where Isamu concentrates geographically, total births since 1912
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Hawaii | | 265 | 47.2% |
| #2 | California | | 168 | 29.9% |
265 of 562 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
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What to do with Isamu's data
- Isamu's decade-level peak was the 1920s (295 total births); usage has since declined to 6 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Hawaii records the most Isamus (265 births) -- see the full state breakdown if geography matters to your decision. Hawaii names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Isamu
Nearby Names Like Isamu
Names with a similar sound, spelling, or feel to Isamu
Compare Isamu side by side: Isamu vs Isaac Isamu vs Isaiah Isamu vs Isaias
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Isamu: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1922)
Similar record span (~111 yrs)
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, 1912–2023 (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 Isamu 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.