Recorded 1914–1929 Boys' name Peak 1918 133 births

Masayoshi — boys' name

133 babies named Masayoshi in U.S. Social Security records since 1914, with the highest year being 1918. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s541920s79
1920s
Peak decade

59% of everyone ever named Masayoshi was born in this single decade.

1918
Single peak year

13 babies were named Masayoshi in 1918 — its busiest year on record.

What the Data Says About Masayoshi

The Social Security Administration has registered 133 babies named Masayoshi between 1914 and 1929, spanning 16 consecutive years of U.S. birth records. As a boy's name, Masayoshi currently falls outside the top 1,000 boys' names for 1929. The name reached its historical peak in 1918, when 13 babies received it in a single year.

Decade-level aggregation shows that Masayoshi performed strongest in the 1920s, accumulating 79 births during that ten-year window. Across the 2 decades of recorded activity, Masayoshi shows a stable profile with only moderate drift from its peak decade. Geographically, the name is most concentrated in Hawaii, which accounts for 81 births — the largest state-level total in the dataset — followed by California. In total, SSA state-level files list Masayoshi in 2 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Masayoshi in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 133 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Masayoshi at a glance

Last recorded 1929

Total births

133

Since 1914

16 years of records

Peak year

1918

13 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1929

Active since

1914

Recorded for 16 years

Last year on file: 1929

Masayoshi popularity over time

Annual U.S. births registered with the Social Security Administration · 1929–1914

Last recorded 1929
Peak year (1918)
13
Annual births at peak — across 16 years of records
468101214 19291926192319211919191719151914 9

Masayoshi by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 1920s
Peak decade
1920s
79 births that decade — 59% of Masayoshi's all-time total
1910s541920s79

Masayoshi by state

Where Masayoshi concentrates geographically — total births since 1914

Regionally concentrated
Top 2 states by recorded births for the name Masayoshi
Rank State Visual share Births Share of total
#1 Hawaii
81 60.9%
#2 California
10 7.5%
Hawaii share of Masayoshi's total US births 60.9%
Even split

81 of 133 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Masayoshi?
133 babies have been named Masayoshi since 1914. It was last recorded in 1929. The peak year was 1918 with 13 births.
When was Masayoshi most popular?
Masayoshi was most popular in the 1920s decade with 79 total births. The single peak year was 1918.
Where is Masayoshi most popular?
The top states for the name Masayoshi are Hawaii (81 births), California (10 births).
How long has the name Masayoshi been used?
Masayoshi has been recorded in Social Security data since 1914, spanning 16 years of data through 1929.
What names are similar to Masayoshi?
Names with a similar sound or spelling include Mason, Massimo, Masen, Masyn, and 4 more. These share a common prefix and are also used for boys.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1914–1929 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.