Total births
67
Girls' name · since 1914
Masayo
67 babies named Masayo in U.S. Social Security records since 1914, with the highest year being 1915. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 67
- total births
- 1914–1928
- years on record
- 1910s
- peak decade
- 70%
- born in that decade
Masayo sits outside today's top ranks for girls, with 67 recorded since 1914.
According to the U.S. Social Security Administration, Masayo has been recorded 67 times among girls since 1914, though it is not among the currently most-used girls names, with its heaviest use in the 1910s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1914 to 1928.
- 67 total births
- 1914–1928 years on record
- 1910s peak decade
- 70% born in that decade
Data updated Jun 2026
The verdict
67 girls have been named Masayo since 1914, peaking in the 1910s, last recorded in 1928.
- 67
- total births
- 1914–1928
- years on record
- 1910s
- peak decade
- 70%
- born in that decade
1910s
Peak decade
70% of everyone ever named Masayo was born in this single decade.
1915
Single peak year
10 babies were named Masayo in 1915 - its busiest year on record.
Masayo's usage pattern, beyond the headline number
Divide Masayo's SSA record in two at 1918 and the more recent half accounts for 54% of all births, the earlier half the remaining 46%, a genuinely balanced usage pattern. Its calmest year was 1928, with only 5 births recorded -- set against the 1915 peak of 10, that's the full swing in one name's fortunes.
Masayo at a glance
Last recorded 1928Peak year
1915
Current rank
Unranked
Active since
1914
Masayo popularity over time
Annual U.S. births registered with the Social Security Administration · 1914–1928
- Peak year (1915)
- 10
- Annual births at peak, across 15 years of records
Masayo by decade
Total births in each ten-year window, peak vs trough at a glance
1910s was Masayo's strongest decade.
47 babies received the name during that ten-year window, about 70% of all-time use.
Masayo births by decade
Total births in each ten-year window
- 1910s
1910s
47 births
- 1920s
1920s
20 births
What this shows Peak: 1910s at 47 births (70% of all-time use).
Masayo by state
Where Masayo concentrates geographically, total births since 1914
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Hawaii | | 57 | 85.1% |
Hawaii share of Masayo's total US births 85.1%
57 of 67 births nationwide.
Frequently Asked Questions
How popular is the name Masayo? ▼
Masayo has been given to 67 babies in the U.S. since 1914, according to SSA data. Its last appearance in the data was 1928. 10 babies were born in 1915, its single highest year.
When was Masayo most popular? ▼
Masayo was most popular in the 1910s decade with 47 total births. The single peak year was 1915.
Where is Masayo most popular? ▼
The top states for the name Masayo are Hawaii (57 births).
How long has the name Masayo been used? ▼
Records for Masayo go back to 1914, giving 15 years of history through 1928.
What names are similar to Masayo? ▼
Names with a similar sound or spelling include Mason, Masako, Massiel, Masyn, and 4 more. These share a common prefix and are also used for girls.
What to do with Masayo's data
- Masayo's usage has stayed within range of its 1910s decade-level peak (47 total births) through the 1920s (20) -- a comparatively stable name, not a fading trend.
- Hawaii records the most Masayos (57 births) -- see the full state breakdown if geography matters to your decision. Hawaii 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 Masayo
Nearby Names Like Masayo
Names with a similar sound, spelling, or feel to Masayo
Mason Girl
#3134 3,348 births
Masako Girl
821 births
Massiel Girl
#7008 797 births
Masyn Girl
#4264 738 births
Masha Girl
#4406 571 births
Compare Masayo side by side: Masayo vs Mason Masayo vs Masako Masayo vs Massiel
Related Names
Names with a similar number of total births
Data Sources
Data as of June 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, 1914–1928 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Masayo: Baby Name Since 1914 - 67 Births, Peak 1915." NameAlmanac. Accessed via https://namealmanac.com/name/masayo. 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 Masayo 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 June 2026.