Boys' name · since 1912

Haruo

Since 1912, U.S. Social Security records show 376 babies named Haruo, peaking in 1921. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#9,360 of 45,481
all-time among boys
376
born since 1912
1920s
peak decade

Haruo is not among the current top-ranked boys names; 376 have been recorded since 1912.

Haruo has 376 recorded births among boys since 1912, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1920s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1912 to 1937.

  • #9,360 of 45,481 all-time among boys
  • 376 born since 1912
  • 1920s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Haruo ranks #9,360 of 45,481 boys' names by all-time recorded births (highest first). 376 born since 1912, peaking in the 1920s.

#9,360 of 45,481
all-time among boys
376
born since 1912
1920s
peak decade
Above the archive median
All-time archive position

Haruo's 376 recorded births place it above 79.39% of the 45,481 boys names in the full SSA archive.

2 jurisdictions
State-record footprint

The state file records this name in 2 jurisdictions, led by Hawaii.

Haruo's usage pattern, beyond the headline number

Haruo splits its recorded history at 1925: 38% of all births land in the more recent half, 62% in the earlier half, leaning more toward its earlier era than today's. The single quietest year was 1912 (5 births) -- compare that against the 1921 peak of 32 for a sense of just how much the name's popularity has swung.

Haruo popularity over time

Annual U.S. births registered with the Social Security Administration · 1912–1937

Last recorded 1937
Peak year (1921)
32
Annual births at peak, across 26 years of records
010203040 191219161919192219251928193119341937 5

Haruo by decade

1920s is the heaviest window (201 births, 53% of the file).

1920s was Haruo's strongest decade.

201 babies received the name during that ten-year window, about 53% of all-time use.

Haruo births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 201 births (53% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

Haruo by state

Where Haruo concentrates geographically, total births since 1912

Regionally concentrated
Top 2 states by recorded births for the name Haruo
Rank State Visual share Births Share of total
#1 Hawaii
251 66.8%
#2 California
55 14.6%
Hawaii share of Haruo's total US births 66.8%
Even split

251 of 376 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Haruo?
Since 1912, Social Security records show 376 babies named Haruo. Across the full SSA archive it ranks #9,360 of 45,481 boys' names by total births. The most recent recorded year was 1937. Its busiest year on record was 1921, with 32 births.
Where does Haruo sit in the SSA name archive?
According to the U.S. Social Security Administration, Haruo ranks #9,360 of 45,481 boys' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Haruo most popular?
Haruo was most popular in the 1920s decade with 201 total births. The single peak year was 1921.
Where is Haruo most popular?
The top states for the name Haruo are Hawaii (251 births), California (55 births).
How long has the name Haruo been used?
Records for Haruo go back to 1912, giving 26 years of history through 1937.
What names are similar to Haruo?
Names with a similar sound or spelling include Harold, Harry, Harvey, Harrison, and 4 more. These share a common prefix and are also used for boys.

What to do with Haruo's data

  • Haruo's usage has stayed within range of its 1920s decade-level peak (201 total births) through the 1930s (70) -- a comparatively stable name, not a fading trend.
  • Hawaii records the most Haruos (251 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 Haruo

Nearby Names Like Haruo

Names with a similar sound, spelling, or feel to Haruo

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Haruo: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

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, 1912–1937 (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 Haruo 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.