Toshiharu

Boys' name

From Japanese としはる; literal meaning unconfirmed

Toshiharu has been given to 12 babies in the U.S. since 1922. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1922, with 6 recorded.

Babies named Toshiharu, 1926

1 in 383,000

Toshiharu over time, 1880–2025

Boys

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Toshiharu: meaning, origin, and history

From Japanese としはる; literal meaning unconfirmed

Japanese

What Toshiharu means

Toshiharu is a given name.

Origin, language, and formation

Toshiharu is used in English. Its origins include Japanese.

Toshiharu comes through Japanese としはる.

American usage and historical context

In the United States, 12 boys were recorded with the name Toshiharu between 1922 and 1926. Its highest annual count was 6 in 1922; its best national rank was #4,149 in 1926.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Toshiharu?

Toshiharu had fewer than 5 recorded uses in 2025, so these figures use 1926, the last year it was published.

Among all babies, 1926: 1 in 383,000; 6 of 2,295,839 births
Among boys only: 1 in 185,000; <0.01% of boys
Rank, 1926: Unranked; Fewer than 5 uses
Coin-flip room size: 265,227 kids; Even odds of a second one

Where Toshiharu sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 1926 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%

Class of 30Under 1%

Grade of 100Under 1%

School of 500Under 1%

Put another way: gather 265,227 children born in 1926 and it's an even bet that one of them is another Toshiharu. In a class of 30 the chance is Under 1%.

When Toshiharus were born

Half of everyone ever recorded as Toshiharu was born before 1922 — so the typical Toshiharu is around 103 today.

Median birth year: 1922; About 103 years old
Biggest decade: 1920s; 100.0% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 0; People you could plausibly meet

Choose a decade

1920s — 100.0% of all recorded uses (12).

Is Toshiharu rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago: —; Not ranked then
Rank vs 5 years ago: New entry; Not ranked then
Rank vs 10 years ago: —; Not ranked then
Births vs 10 years ago: —; Not published both years
Share of its own peak: 0%; Peak was 1922 (6)
Years since peak: 103; Years
Year-to-year steadiness: Not enough data; Too few years
Best rank ever: #4,149; 1926

Toshiharu by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025: Unranked
Trend vs 5 yrs ago: —
Best rank ever: #4,149; 1926
Peak year: 1922; 6 that year
First recorded: 1922
Last recorded: 1926
All-time count: 12
Count in 2025: Under 5

Names similar to Toshiharu

Matched on shared beginnings and endings, similar length, and comparable popularity.

Toshiaki Toshiyuki Toshiki Subaru Yoshiharu Toshi Masaharu Toshiro Toshua Hikaru Omaru Maru Naru Wataru Toshio Haru Masaru Amaru Tosh

Sibling names for Toshiharu

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

For a sister

Albertha Bethel Verla Lorine Elvera Rubie Filomena Lavinia

For a brother

Hobert Harland Walton Elden Cletus Elroy Columbus Olen

Explore around Toshiharu

Top names of 1922, Toshiharu's peak year The 1920s in full Other names that peaked in 1926 Boys' names starting with T