Girls' name · since 1909
Masako
821 babies named Masako in U.S. Social Security records since 1909, with the highest year being 1921. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #8,586 of 72,339
- all-time among girls
- 821
- born since 1909
- 1920s
- peak decade
Masako is not among the current top-ranked girls names; 821 have been recorded since 1909.
According to the U.S. Social Security Administration, Masako has been recorded 821 times among girls since 1909, though it is not among the currently most-used girls 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 1909 to 1993.
- #8,586 of 72,339 all-time among girls
- 821 born since 1909
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Masako ranks #8,586 of 72,339 girls' names by all-time recorded births (highest first). 821 born since 1909, peaking in the 1920s.
- #8,586 of 72,339
- all-time among girls
- 821
- born since 1909
- 1920s
- peak decade
Masako's 821 recorded births place it above 88.13% of the 72,339 girls names in the full SSA archive.
The state file records this name in 3 jurisdictions, led by Hawaii.
Masako's usage pattern, beyond the headline number
Divide Masako's SSA record in two at 1926 and the more recent half accounts for 31% of all births, the earlier half the remaining 69%, consistent with a name more common in the past than in recent years. Its calmest year was 1940, with only 5 births recorded -- set against the 1921 peak of 58, that's the full swing in one name's fortunes.
Masako popularity over time
Annual U.S. births registered with the Social Security Administration · 1909–1993
- Peak year (1921)
- 58
- Annual births at peak, across 85 years of records
Masako by decade
1920s is the heaviest window (386 births, 47% of the file).
1920s was Masako's strongest decade.
386 babies received the name during that ten-year window, about 47% of all-time use.
Masako births by decade
Total births in each ten-year window
- 1900s 6
1900s
6 births
- 1910s
1910s
293 births
- 1920s
1920s
386 births
- 1930s 109
1930s
109 births
- 1940s 10
1940s
10 births
- 1970s 12
1970s
12 births
- 1990s 5
1990s
5 births
What this shows Peak: 1920s at 386 births (47% of all-time use).
How Masako compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Masako's total volume
Masako by state
Where Masako concentrates geographically, total births since 1909
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Hawaii | | 349 | 42.5% |
| #2 | California | | 298 | 36.3% |
| #3 | Washington | | 37 | 4.5% |
349 of 821 births nationwide. Compared to a flat distribution across 3 reporting states.
Frequently Asked Questions
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What to do with Masako's data
- Masako's decade-level peak was the 1920s (386 total births); usage has since declined to 5 in the 1990s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Hawaii records the most Masakos (349 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 Masako
Nearby Names Like Masako
Names with a similar sound, spelling, or feel to Masako
Compare Masako side by side: Masako vs Mason Masako vs Massiel Masako vs Masyn
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Masako: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1921)
Similar record span (~84 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, 1909–1993 (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 Masako 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.