Recorded 1912–1936 Boys' name Peak 1917 288 births

Masami — boys' name

288 babies named Masami in U.S. Social Security records since 1912, with the highest year being 1917. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s1041920s1471930s37
1920s
Peak decade

51% of everyone ever named Masami was born in this single decade.

1917
Single peak year

35 babies were named Masami in 1917 — its busiest year on record.

What the Data Says About Masami

The Social Security Administration has registered 288 babies named Masami between 1912 and 1936, spanning 25 consecutive years of U.S. birth records. As a boy's name, Masami currently falls outside the top 1,000 boys' names for 1936. The name reached its historical peak in 1917, when 35 babies received it in a single year.

Decade-level aggregation shows that Masami performed strongest in the 1920s, accumulating 147 births during that ten-year window. Across the 3 decades of recorded activity, Masami shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Hawaii, which accounts for 144 births — the largest state-level total in the dataset — followed by California. In total, SSA state-level files list Masami in 2 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Masami 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 288 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.

Masami at a glance

Last recorded 1936

Total births

288

Since 1912

25 years of records

Peak year

1917

35 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1936

Active since

1912

Recorded for 25 years

Last year on file: 1936

Masami popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 1936–1912

Last recorded 1936
Peak year (1917)
35
Annual births at peak — across 25 years of records
010203040 19361931192819241921191819151912 5

Masami popularity over time — girls

10 total births recorded since 1978 (Masami as girls' name)

Unisex variant — 10 births
5 20241978 5

Masami by decade

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

Peak: 1920s
Peak decade
1920s
147 births that decade — 51% of Masami's all-time total
1910s1041920s1471930s37

Masami by state

Where Masami concentrates geographically — total births since 1912

Regionally concentrated
Top 2 states by recorded births for the name Masami
Rank State Visual share Births Share of total
#1 Hawaii
144 50.0%
#2 California
71 24.7%
Hawaii share of Masami's total US births 50.0%
Even split

144 of 288 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Masami?
288 babies have been named Masami since 1912. It was last recorded in 1936. The peak year was 1917 with 35 births.
When was Masami most popular?
Masami was most popular in the 1920s decade with 147 total births. The single peak year was 1917.
Where is Masami most popular?
The top states for the name Masami are Hawaii (144 births), California (71 births).
How long has the name Masami been used?
Masami has been recorded in Social Security data since 1912, spanning 25 years of data through 1936.
What names are similar to Masami?
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, 1912–1936 (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.