Boys' name · since 1918
Masatoshi
16 babies named Masatoshi in U.S. Social Security records since 1918, with the highest year being 1918. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #30,909 of 45,481
- all-time among boys
- 16
- born since 1918
- 1910s
- peak decade
Masatoshi is not among the current top-ranked boys names; 16 have been recorded since 1918.
Masatoshi has 16 recorded births among boys since 1918, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1910s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1918 to 1919.
- #30,909 of 45,481 all-time among boys
- 16 born since 1918
- 1910s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Masatoshi ranks #30,909 of 45,481 boys' names by all-time recorded births (highest first). 16 born since 1918, peaking in the 1910s.
- #30,909 of 45,481
- all-time among boys
- 16
- born since 1918
- 1910s
- peak decade
Masatoshi's 16 recorded births place it above 31.5% of the 45,481 boys names in the full SSA archive.
The state file records this name in 1 jurisdictions, led by Hawaii.
Masatoshi's usage pattern, beyond the headline number
Splitting Masatoshi's full recorded timeline at 1919, 38% of its total births fall in the more recent half of the record versus 62% in the earlier half -- the name was more prevalent in its earlier era than it is today. Its quietest year on record was 1919, with just 6 recorded births -- worth weighing against the 1918 peak of 10 to see the full range of the name's swing in popularity.
Masatoshi popularity over time
Annual U.S. births registered with the Social Security Administration · 1918–1919
- Peak year (1918)
- 10
- Annual births at peak, across 2 years of records
Masatoshi by decade
1910s is the heaviest window (16 births, 100% of the file).
1910s was Masatoshi's strongest decade.
16 babies received the name during that ten-year window, about 100% of all-time use.
Masatoshi births by decade
Total births in each ten-year window.
- 1910s
1910s
16 births
What this shows Peak: 1910s at 16 births (100% of all-time use).
Masatoshi by state
Where Masatoshi concentrates geographically, total births since 1918
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Hawaii | | 13 | 81.3% |
13 of 16 births nationwide.
Frequently Asked Questions
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What to do with Masatoshi's data
- Hawaii records the most Masatoshis (13 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 Masatoshi
Nearby Names Like Masatoshi
Names with a similar sound, spelling, or feel to Masatoshi
Compare Masatoshi side by side: Masatoshi vs Mason Masatoshi vs Massimo Masatoshi vs Masen
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Masatoshi: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1918)
Similar record span (~1 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, 1918–1919 (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 Masatoshi 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.