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Given name & surname

Masato

“one who is just”

Masato is used as a given name and a surname. One Japanese interpretation is “one who is just.”

Original Japanese正人

Meaning & origin

What it means

One Japanese interpretation is “one who is just.”

Where it comes from

An origin associated with this spelling is Japanese.

The story

Published U.S. birth records include this spelling as early as 1912. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Masato through the years

Babies since 1880
462
462 boys · 0 girls
Most popular year
1924
25 babies
2025
0
Outside the ranked list
2021–25 vs 2016–20
—
Too few births to compare
010203040192019401960198020002025Highest share 19130.0
Masato in U.S. Social Security birth records, 1912–2025, per million boys born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

The most recent published U.S. birth count for boys is 5 in 2020. Later missing counts do not mean the name went unused. Its largest published annual count for boys was 25 in 1924. Published U.S. population figures for this spelling include 500 as a first name in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Similar names

If you love Masato, these share its style, era, origin or sound, from outside its own family.

Japanese

Matsuo

Matsuo is a surname from Japanese.

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Masaru

Masaru is a masculine given name from Japanese.

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Saburo

“the third-born son”

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Isao

Isao is a masculine given name from Japanese. It is used in French.

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Tomio

Tomio is a masculine given name from Japanese. It is used in English, Italian, and Czech.

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Tetsuo

Tetsuo is a masculine given name from Japanese.

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Japanese

Shigeo

Shigeo is a masculine given name from Japanese. It is used in English and Portuguese.

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Japanese

Yasuo

“one who is peaceful”

0Not recently recorded

>99% boys

Sibling ideas

Names that share Masato’s feel without repeating its first letter or rhyming with it.

A brother for Masato

A sister for Masato

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