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Masashi

Boys' name

Japanese name; meaning depends on kanji

Masashi has been given to 146 babies in the U.S. since 1913. 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 1921, with 13 recorded.

Babies named Masashi, 1995

1 in 732,000

Masashi over time, 1880–2025

Boys
05101518801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Masashi: meaning, origin, and history

Japanese name; meaning depends on kanji

Japanese

What Masashi means

Masashi is documented with more than one possible Japanese character combination. The Latin-letter spelling records a pronunciation; it does not specify one unique kanji spelling or one universal meaning.

Possible character meanings include government, elegant, graceful, will, purpose.

Documented naming usage and pronunciation

Masashi is used in Japanese.

Another recorded pronunciation is /mä.sä.ɕi/ for Masashi.

American usage and historical context

In the United States, 146 boys were recorded with the name Masashi between 1913 and 1995. Its highest annual count was 13 in 1921; its best national rank was #2,427 in 1924.

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.

How common is Masashi?

Masashi had fewer than 5 recorded uses in 2025, so these figures use 1995, the last year it was published.

Among all babies, 1995
1 in 732,000
5 of 3,660,254 births
Among boys only
1 in 381,000
<0.01% of boys
Rank, 1995
Unranked
Fewer than 5 uses
Coin-flip room size
507,420 kids
Even odds of a second one

Where Masashi 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 1995 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 507,420 children born in 1995 and it's an even bet that one of them is another Masashi. In a class of 30 the chance is Under 1%.

When Masashis were born

Half of everyone ever recorded as Masashi was born before 1923 — so the typical Masashi is around 102 today.

Median birth year
1923
About 102 years old
Biggest decade
1920s
50.7% of all use
Born in the last 25 years
15.8%
Spread across generations
Recorded since 1950
23
People you could plausibly meet
Choose a decade

1920s — 50.7% of all recorded uses (74).

Is Masashi 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 1921 (13)
Years since peak
104
Years
Year-to-year steadiness
Volatile
45.0% average annual change
Best rank ever
#2,427
1924

Spellings of Masashi

Masashi is not the most common spelling — Malachi is, with 92.2% against Masashi's 0.20%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Masashi is used

Across 1910–2025, Masashi was most concentrated in Hawaii — about 1 in 16,667 boys, against 1 in 374,979 across all states with data. It was least common in California (1 in —).

06 per 100,000

Most concentrated

  1. 1Hawaii1 in 16,667
  2. 2California1 in —

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Masashi has too little recent state data to map, so this covers all years from 1910.

Masashi 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
#2,427
1924
Peak year
1921
13 that year
First recorded
1913
Last recorded
1995
All-time count
146
Count in 2025
Under 5

Names similar to Masashi

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

MasayoshiMasiyahMassaiMasatoshiMastonMassonMasterMasihMasaichiMasudMasaakiMastenMasayukiMassiahMassieMasaniMasirHitoshiMasakiMashawnHisashiKakashiMasoudMasami

Sibling names for Masashi

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

Explore around Masashi

Top names of 1921, Masashi's peak yearThe 1920s in fullOther names that peaked in 1924Boys' names starting with M