Hiromu — boys' name
42 babies named Hiromu in U.S. Social Security records since 1916, with the highest year being 1919. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
52% of everyone ever named Hiromu was born in this single decade.
9 babies were named Hiromu in 1919 — its busiest year on record.
What the Data Says About Hiromu
The Social Security Administration has registered 42 babies named Hiromu between 1916 and 1925, spanning 10 consecutive years of U.S. birth records. As a boy's name, Hiromu currently falls outside the top 1,000 boys' names for 1925. The name reached its historical peak in 1919, when 9 babies received it in a single year.
Decade-level aggregation shows that Hiromu performed strongest in the 1920s, accumulating 22 births during that ten-year window. Across the 2 decades of recorded activity, Hiromu shows a stable profile with only moderate drift from its peak decade. Geographically, the name is most concentrated in Hawaii, which accounts for 27 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Hiromu in 1 of the 51 U.S. reporting jurisdictions.
No etymological entry is currently available for Hiromu 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 42 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.
Hiromu at a glance
Last recorded 1925Peak year
Current rank
Active since
Hiromu popularity over time
Annual U.S. births registered with the Social Security Administration · 1925–1916
- Peak year (1919)
- 9
- Annual births at peak — across 10 years of records
No longer in the modern top-1000 — last recorded 1925.
42 total births across 10 years of SSA records. Peaked in 1919 with 9 births in a single year.
Hiromu by decade
Total births in each ten-year window — peak vs trough at a glance
- Peak decade
- 1920s
- 22 births that decade — 52% of Hiromu's all-time total
Hiromu decade highlights
- Peak decade 22 births
- Runner-up 20 births
- Decades tracked with recorded births
1920s was Hiromu's strongest decade
22 babies received the name during that ten-year window — about 52% of all-time use.
Hiromu by state
Where Hiromu concentrates geographically — total births since 1916
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Hawaii | | 27 | 64.3% |
27 of 42 births nationwide.
Top 5 states
- Hawaii 64.3% of nationwide
Recorded in 1 of 51 SSA jurisdictions
Hawaii accounts for 64.3% of all recorded births nationwide — a strong regional concentration for this name.
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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, 1916–1925 (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.